diff options
45 files changed, 323 insertions, 2266 deletions
diff --git a/arch/powerpc/math-emu/sfp-machine.h b/arch/powerpc/include/asm/sfp-machine.h index 4b17d83cfcd..ced34f1dc8f 100644 --- a/arch/powerpc/math-emu/sfp-machine.h +++ b/arch/powerpc/include/asm/sfp-machine.h @@ -79,27 +79,44 @@ * #define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv_64(D,R,X,Y) */ -#define _FP_MUL_MEAT_S(R,X,Y) _FP_MUL_MEAT_1_wide(S,R,X,Y,umul_ppmm) -#define _FP_MUL_MEAT_D(R,X,Y) _FP_MUL_MEAT_2_wide(D,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_S(R,X,Y) _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm) +#define _FP_MUL_MEAT_D(R,X,Y) _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm) -#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y) -#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv_64(D,R,X,Y) +#define _FP_DIV_MEAT_S(R,X,Y) _FP_DIV_MEAT_1_udiv(S,R,X,Y) +#define _FP_DIV_MEAT_D(R,X,Y) _FP_DIV_MEAT_2_udiv(D,R,X,Y) /* These macros define what NaN looks like. They're supposed to expand to * a comma-separated set of 32bit unsigned ints that encode NaN. */ -#define _FP_NANFRAC_S _FP_QNANBIT_S -#define _FP_NANFRAC_D _FP_QNANBIT_D, 0 -#define _FP_NANFRAC_Q _FP_QNANBIT_Q, 0, 0, 0 +#define _FP_NANFRAC_S ((_FP_QNANBIT_S << 1) - 1) +#define _FP_NANFRAC_D ((_FP_QNANBIT_D << 1) - 1), -1 +#define _FP_NANFRAC_Q ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1 +#define _FP_NANSIGN_S 0 +#define _FP_NANSIGN_D 0 +#define _FP_NANSIGN_Q 0 #define _FP_KEEPNANFRACP 1 +/* Exception flags. We use the bit positions of the appropriate bits + in the FPSCR, which also correspond to the FE_* bits. This makes + everything easier ;-). */ +#define FP_EX_INVALID (1 << (31 - 2)) +#define FP_EX_INVALID_SNAN EFLAG_VXSNAN +#define FP_EX_INVALID_ISI EFLAG_VXISI +#define FP_EX_INVALID_IDI EFLAG_VXIDI +#define FP_EX_INVALID_ZDZ EFLAG_VXZDZ +#define FP_EX_INVALID_IMZ EFLAG_VXIMZ +#define FP_EX_OVERFLOW (1 << (31 - 3)) +#define FP_EX_UNDERFLOW (1 << (31 - 4)) +#define FP_EX_DIVZERO (1 << (31 - 5)) +#define FP_EX_INEXACT (1 << (31 - 6)) + /* This macro appears to be called when both X and Y are NaNs, and * has to choose one and copy it to R. i386 goes for the larger of the * two, sparc64 just picks Y. I don't understand this at all so I'll * go with sparc64 because it's shorter :-> -- PMM */ -#define _FP_CHOOSENAN(fs, wc, R, X, Y) \ +#define _FP_CHOOSENAN(fs, wc, R, X, Y, OP) \ do { \ R##_s = Y##_s; \ _FP_FRAC_COPY_##wc(R,Y); \ @@ -107,62 +124,6 @@ } while (0) -extern void fp_unpack_d(long *, unsigned long *, unsigned long *, - long *, long *, void *); -extern int fp_pack_d(void *, long, unsigned long, unsigned long, long, long); -extern int fp_pack_ds(void *, long, unsigned long, unsigned long, long, long); - -#define __FP_UNPACK_RAW_1(fs, X, val) \ - do { \ - union _FP_UNION_##fs *_flo = \ - (union _FP_UNION_##fs *)val; \ - \ - X##_f = _flo->bits.frac; \ - X##_e = _flo->bits.exp; \ - X##_s = _flo->bits.sign; \ - } while (0) - -#define __FP_UNPACK_RAW_2(fs, X, val) \ - do { \ - union _FP_UNION_##fs *_flo = \ - (union _FP_UNION_##fs *)val; \ - \ - X##_f0 = _flo->bits.frac0; \ - X##_f1 = _flo->bits.frac1; \ - X##_e = _flo->bits.exp; \ - X##_s = _flo->bits.sign; \ - } while (0) - -#define __FP_UNPACK_S(X,val) \ - do { \ - __FP_UNPACK_RAW_1(S,X,val); \ - _FP_UNPACK_CANONICAL(S,1,X); \ - } while (0) - -#define __FP_UNPACK_D(X,val) \ - fp_unpack_d(&X##_s, &X##_f1, &X##_f0, &X##_e, &X##_c, val) - -#define __FP_PACK_RAW_1(fs, val, X) \ - do { \ - union _FP_UNION_##fs *_flo = \ - (union _FP_UNION_##fs *)val; \ - \ - _flo->bits.frac = X##_f; \ - _flo->bits.exp = X##_e; \ - _flo->bits.sign = X##_s; \ - } while (0) - -#define __FP_PACK_RAW_2(fs, val, X) \ - do { \ - union _FP_UNION_##fs *_flo = \ - (union _FP_UNION_##fs *)val; \ - \ - _flo->bits.frac0 = X##_f0; \ - _flo->bits.frac1 = X##_f1; \ - _flo->bits.exp = X##_e; \ - _flo->bits.sign = X##_s; \ - } while (0) - #include <linux/kernel.h> #include <linux/sched.h> @@ -182,15 +143,30 @@ extern int fp_pack_ds(void *, long, unsigned long, unsigned long, long, long); #define __FP_PACK_S(val,X) \ ({ int __exc = _FP_PACK_CANONICAL(S,1,X); \ if(!__exc || !__FPU_TRAP_P(__exc)) \ - __FP_PACK_RAW_1(S,val,X); \ + _FP_PACK_RAW_1_P(S,val,X); \ __exc; \ }) #define __FP_PACK_D(val,X) \ - fp_pack_d(val, X##_s, X##_f1, X##_f0, X##_e, X##_c) - -#define __FP_PACK_DS(val,X) \ - fp_pack_ds(val, X##_s, X##_f1, X##_f0, X##_e, X##_c) + do { \ + _FP_PACK_CANONICAL(D, 2, X); \ + if (!FP_CUR_EXCEPTIONS || !__FPU_TRAP_P(FP_CUR_EXCEPTIONS)) \ + _FP_PACK_RAW_2_P(D, val, X); \ + } while (0) + +#define __FP_PACK_DS(val,X) \ + do { \ + FP_DECL_S(__X); \ + FP_CONV(S, D, 1, 2, __X, X); \ + _FP_PACK_CANONICAL(S, 1, __X); \ + if (!FP_CUR_EXCEPTIONS || !__FPU_TRAP_P(FP_CUR_EXCEPTIONS)) { \ + _FP_UNPACK_CANONICAL(S, 1, __X); \ + FP_CONV(D, S, 2, 1, X, __X); \ + _FP_PACK_CANONICAL(D, 2, X); \ + if (!FP_CUR_EXCEPTIONS || !__FPU_TRAP_P(FP_CUR_EXCEPTIONS)) \ + _FP_PACK_RAW_2_P(D, val, X); \ + } \ + } while (0) /* Obtain the current rounding mode. */ #define FP_ROUNDMODE \ diff --git a/arch/powerpc/math-emu/Makefile b/arch/powerpc/math-emu/Makefile index 29bc9126241..03aa98dd9f0 100644 --- a/arch/powerpc/math-emu/Makefile +++ b/arch/powerpc/math-emu/Makefile @@ -4,13 +4,14 @@ obj-y := math.o fmr.o lfd.o stfd.o obj-$(CONFIG_MATH_EMULATION) += fabs.o fadd.o fadds.o fcmpo.o fcmpu.o \ fctiw.o fctiwz.o fdiv.o fdivs.o \ fmadd.o fmadds.o fmsub.o fmsubs.o \ - fmul.o fmuls.o fnabs.o fneg.o types.o \ + fmul.o fmuls.o fnabs.o fneg.o \ fnmadd.o fnmadds.o fnmsub.o fnmsubs.o \ fres.o frsp.o frsqrte.o fsel.o lfs.o \ fsqrt.o fsqrts.o fsub.o fsubs.o \ mcrfs.o mffs.o mtfsb0.o mtfsb1.o \ - mtfsf.o mtfsfi.o stfiwx.o stfs.o \ - udivmodti4.o + mtfsf.o mtfsfi.o stfiwx.o stfs.o CFLAGS_fabs.o = -fno-builtin-fabs CFLAGS_math.o = -fno-builtin-fabs + +EXTRA_CFLAGS = -I. -Iinclude/math-emu -w diff --git a/arch/powerpc/math-emu/double.h b/arch/powerpc/math-emu/double.h deleted file mode 100644 index ffba8b67f05..00000000000 --- a/arch/powerpc/math-emu/double.h +++ /dev/null @@ -1,129 +0,0 @@ -/* - * Definitions for IEEE Double Precision - */ - -#if _FP_W_TYPE_SIZE < 32 -#error "Here's a nickel kid. Go buy yourself a real computer." -#endif - -#if _FP_W_TYPE_SIZE < 64 -#define _FP_FRACTBITS_D (2 * _FP_W_TYPE_SIZE) -#else -#define _FP_FRACTBITS_D _FP_W_TYPE_SIZE -#endif - -#define _FP_FRACBITS_D 53 -#define _FP_FRACXBITS_D (_FP_FRACTBITS_D - _FP_FRACBITS_D) -#define _FP_WFRACBITS_D (_FP_WORKBITS + _FP_FRACBITS_D) -#define _FP_WFRACXBITS_D (_FP_FRACTBITS_D - _FP_WFRACBITS_D) -#define _FP_EXPBITS_D 11 -#define _FP_EXPBIAS_D 1023 -#define _FP_EXPMAX_D 2047 - -#define _FP_QNANBIT_D \ - ((_FP_W_TYPE)1 << ((_FP_FRACBITS_D-2) % _FP_W_TYPE_SIZE)) -#define _FP_IMPLBIT_D \ - ((_FP_W_TYPE)1 << ((_FP_FRACBITS_D-1) % _FP_W_TYPE_SIZE)) -#define _FP_OVERFLOW_D \ - ((_FP_W_TYPE)1 << (_FP_WFRACBITS_D % _FP_W_TYPE_SIZE)) - -#if _FP_W_TYPE_SIZE < 64 - -union _FP_UNION_D -{ - double flt; - struct { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned sign : 1; - unsigned exp : _FP_EXPBITS_D; - unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE; - unsigned frac0 : _FP_W_TYPE_SIZE; -#else - unsigned frac0 : _FP_W_TYPE_SIZE; - unsigned frac1 : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0) - _FP_W_TYPE_SIZE; - unsigned exp : _FP_EXPBITS_D; - unsigned sign : 1; -#endif - } bits __attribute__((packed)); -}; - -#define FP_DECL_D(X) _FP_DECL(2,X) -#define FP_UNPACK_RAW_D(X,val) _FP_UNPACK_RAW_2(D,X,val) -#define FP_PACK_RAW_D(val,X) _FP_PACK_RAW_2(D,val,X) - -#define FP_UNPACK_D(X,val) \ - do { \ - _FP_UNPACK_RAW_2(D,X,val); \ - _FP_UNPACK_CANONICAL(D,2,X); \ - } while (0) - -#define FP_PACK_D(val,X) \ - do { \ - _FP_PACK_CANONICAL(D,2,X); \ - _FP_PACK_RAW_2(D,val,X); \ - } while (0) - -#define FP_NEG_D(R,X) _FP_NEG(D,2,R,X) -#define FP_ADD_D(R,X,Y) _FP_ADD(D,2,R,X,Y) -#define FP_SUB_D(R,X,Y) _FP_SUB(D,2,R,X,Y) -#define FP_MUL_D(R,X,Y) _FP_MUL(D,2,R,X,Y) -#define FP_DIV_D(R,X,Y) _FP_DIV(D,2,R,X,Y) -#define FP_SQRT_D(R,X) _FP_SQRT(D,2,R,X) - -#define FP_CMP_D(r,X,Y,un) _FP_CMP(D,2,r,X,Y,un) -#define FP_CMP_EQ_D(r,X,Y) _FP_CMP_EQ(D,2,r,X,Y) - -#define FP_TO_INT_D(r,X,rsz,rsg) _FP_TO_INT(D,2,r,X,rsz,rsg) -#define FP_FROM_INT_D(X,r,rs,rt) _FP_FROM_INT(D,2,X,r,rs,rt) - -#else - -union _FP_UNION_D -{ - double flt; - struct { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned sign : 1; - unsigned exp : _FP_EXPBITS_D; - unsigned long frac : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0); -#else - unsigned long frac : _FP_FRACBITS_D - (_FP_IMPLBIT_D != 0); - unsigned exp : _FP_EXPBITS_D; - unsigned sign : 1; -#endif - } bits __attribute__((packed)); -}; - -#define FP_DECL_D(X) _FP_DECL(1,X) -#define FP_UNPACK_RAW_D(X,val) _FP_UNPACK_RAW_1(D,X,val) -#define FP_PACK_RAW_D(val,X) _FP_PACK_RAW_1(D,val,X) - -#define FP_UNPACK_D(X,val) \ - do { \ - _FP_UNPACK_RAW_1(D,X,val); \ - _FP_UNPACK_CANONICAL(D,1,X); \ - } while (0) - -#define FP_PACK_D(val,X) \ - do { \ - _FP_PACK_CANONICAL(D,1,X); \ - _FP_PACK_RAW_1(D,val,X); \ - } while (0) - -#define FP_NEG_D(R,X) _FP_NEG(D,1,R,X) -#define FP_ADD_D(R,X,Y) _FP_ADD(D,1,R,X,Y) -#define FP_SUB_D(R,X,Y) _FP_SUB(D,1,R,X,Y) -#define FP_MUL_D(R,X,Y) _FP_MUL(D,1,R,X,Y) -#define FP_DIV_D(R,X,Y) _FP_DIV(D,1,R,X,Y) -#define FP_SQRT_D(R,X) _FP_SQRT(D,1,R,X) - -/* The implementation of _FP_MUL_D and _FP_DIV_D should be chosen by - the target machine. */ - -#define FP_CMP_D(r,X,Y,un) _FP_CMP(D,1,r,X,Y,un) -#define FP_CMP_EQ_D(r,X,Y) _FP_CMP_EQ(D,1,r,X,Y) - -#define FP_TO_INT_D(r,X,rsz,rsg) _FP_TO_INT(D,1,r,X,rsz,rsg) -#define FP_FROM_INT_D(X,r,rs,rt) _FP_FROM_INT(D,1,X,r,rs,rt) - -#endif /* W_TYPE_SIZE < 64 */ diff --git a/arch/powerpc/math-emu/fadd.c b/arch/powerpc/math-emu/fadd.c index 7befbbf2c33..04d3b4aa32c 100644 --- a/arch/powerpc/math-emu/fadd.c +++ b/arch/powerpc/math-emu/fadd.c @@ -2,8 +2,9 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> int fadd(void *frD, void *frA, void *frB) @@ -11,28 +12,28 @@ fadd(void *frD, void *frA, void *frB) FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(R); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p\n", __func__, frD, frA, frB); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); #endif - if (A_s != B_s && A_c == FP_CLS_INF && B_c == FP_CLS_INF) - ret |= EFLAG_VXISI; - FP_ADD_D(R, A, B); #ifdef DEBUG printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_D(frD, R)); + __FP_PACK_D(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fadds.c b/arch/powerpc/math-emu/fadds.c index 2b346b38b48..5930f40a868 100644 --- a/arch/powerpc/math-emu/fadds.c +++ b/arch/powerpc/math-emu/fadds.c @@ -2,9 +2,10 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" -#include "single.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> +#include <math-emu/single.h> int fadds(void *frD, void *frA, void *frB) @@ -12,28 +13,27 @@ fadds(void *frD, void *frA, void *frB) FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(R); - int ret = 0; + FP_DECL_EX; #ifdef DEBUG printk("%s: %p %p %p\n", __func__, frD, frA, frB); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); #endif - if (A_s != B_s && A_c == FP_CLS_INF && B_c == FP_CLS_INF) - ret |= EFLAG_VXISI; - FP_ADD_D(R, A, B); #ifdef DEBUG printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_DS(frD, R)); + __FP_PACK_DS(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fcmpo.c b/arch/powerpc/math-emu/fcmpo.c index 36d689044c6..b5dc4498cd7 100644 --- a/arch/powerpc/math-emu/fcmpo.c +++ b/arch/powerpc/math-emu/fcmpo.c @@ -2,14 +2,16 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> int fcmpo(u32 *ccr, int crfD, void *frA, void *frB) { FP_DECL_D(A); FP_DECL_D(B); + FP_DECL_EX; int code[4] = { (1 << 3), (1 << 1), (1 << 2), (1 << 0) }; long cmp; int ret = 0; @@ -18,8 +20,8 @@ fcmpo(u32 *ccr, int crfD, void *frA, void *frB) printk("%s: %p (%08x) %d %p %p\n", __func__, ccr, *ccr, crfD, frA, frB); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); diff --git a/arch/powerpc/math-emu/fcmpu.c b/arch/powerpc/math-emu/fcmpu.c index 53d93894f2a..d4fb1babc6a 100644 --- a/arch/powerpc/math-emu/fcmpu.c +++ b/arch/powerpc/math-emu/fcmpu.c @@ -2,14 +2,16 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> int fcmpu(u32 *ccr, int crfD, void *frA, void *frB) { FP_DECL_D(A); FP_DECL_D(B); + FP_DECL_EX; int code[4] = { (1 << 3), (1 << 1), (1 << 2), (1 << 0) }; long cmp; @@ -17,8 +19,8 @@ fcmpu(u32 *ccr, int crfD, void *frA, void *frB) printk("%s: %p (%08x) %d %p %p\n", __func__, ccr, *ccr, crfD, frA, frB); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); diff --git a/arch/powerpc/math-emu/fctiw.c b/arch/powerpc/math-emu/fctiw.c index fcd7a95e021..f694440ddc0 100644 --- a/arch/powerpc/math-emu/fctiw.c +++ b/arch/powerpc/math-emu/fctiw.c @@ -2,16 +2,18 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> int fctiw(u32 *frD, void *frB) { FP_DECL_D(B); + FP_DECL_EX; unsigned int r; - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(B, frB); FP_TO_INT_D(r, B, 32, 1); frD[1] = r; diff --git a/arch/powerpc/math-emu/fctiwz.c b/arch/powerpc/math-emu/fctiwz.c index 1514d59e146..71e782fd4fe 100644 --- a/arch/powerpc/math-emu/fctiwz.c +++ b/arch/powerpc/math-emu/fctiwz.c @@ -2,13 +2,15 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> int fctiwz(u32 *frD, void *frB) { FP_DECL_D(B); + FP_DECL_EX; u32 fpscr; unsigned int r; @@ -16,7 +18,7 @@ fctiwz(u32 *frD, void *frB) __FPU_FPSCR &= ~(3); __FPU_FPSCR |= FP_RND_ZERO; - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(B, frB); FP_TO_INT_D(r, B, 32, 1); frD[1] = r; diff --git a/arch/powerpc/math-emu/fdiv.c b/arch/powerpc/math-emu/fdiv.c index 18a20fe396b..2db15097d98 100644 --- a/arch/powerpc/math-emu/fdiv.c +++ b/arch/powerpc/math-emu/fdiv.c @@ -2,8 +2,9 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> int fdiv(void *frD, void *frA, void *frB) @@ -11,14 +12,15 @@ fdiv(void *frD, void *frA, void *frB) FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(R); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p\n", __func__, frD, frA, frB); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); @@ -49,5 +51,7 @@ fdiv(void *frD, void *frA, void *frB) printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_D(frD, R)); + __FP_PACK_D(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fdivs.c b/arch/powerpc/math-emu/fdivs.c index 24feed689c3..797f6a9a20b 100644 --- a/arch/powerpc/math-emu/fdivs.c +++ b/arch/powerpc/math-emu/fdivs.c @@ -2,9 +2,10 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" -#include "single.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> +#include <math-emu/single.h> int fdivs(void *frD, void *frA, void *frB) @@ -12,14 +13,15 @@ fdivs(void *frD, void *frA, void *frB) FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(R); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p\n", __func__, frD, frA, frB); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); @@ -51,5 +53,7 @@ fdivs(void *frD, void *frA, void *frB) printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_DS(frD, R)); + __FP_PACK_DS(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fmadd.c b/arch/powerpc/math-emu/fmadd.c index dedb465fdc6..925313aa6f8 100644 --- a/arch/powerpc/math-emu/fmadd.c +++ b/arch/powerpc/math-emu/fmadd.c @@ -2,8 +2,9 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> int fmadd(void *frD, void *frA, void *frB, void *frC) @@ -13,15 +14,16 @@ fmadd(void *frD, void *frA, void *frB, void *frC) FP_DECL_D(B); FP_DECL_D(C); FP_DECL_D(T); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); + FP_UNPACK_DP(C, frC); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); @@ -44,5 +46,7 @@ fmadd(void *frD, void *frA, void *frB, void *frC) printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_D(frD, R)); + __FP_PACK_D(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fmadds.c b/arch/powerpc/math-emu/fmadds.c index 6bbb56d5502..aea80ef7939 100644 --- a/arch/powerpc/math-emu/fmadds.c +++ b/arch/powerpc/math-emu/fmadds.c @@ -2,9 +2,10 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" -#include "single.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> +#include <math-emu/single.h> int fmadds(void *frD, void *frA, void *frB, void *frC) @@ -14,15 +15,16 @@ fmadds(void *frD, void *frA, void *frB, void *frC) FP_DECL_D(B); FP_DECL_D(C); FP_DECL_D(T); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); + FP_UNPACK_DP(C, frC); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); @@ -45,5 +47,7 @@ fmadds(void *frD, void *frA, void *frB, void *frC) printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_DS(frD, R)); + __FP_PACK_DS(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fmsub.c b/arch/powerpc/math-emu/fmsub.c index f311e2c7e67..a644d525fca 100644 --- a/arch/powerpc/math-emu/fmsub.c +++ b/arch/powerpc/math-emu/fmsub.c @@ -2,8 +2,9 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> int fmsub(void *frD, void *frA, void *frB, void *frC) @@ -13,15 +14,16 @@ fmsub(void *frD, void *frA, void *frB, void *frC) FP_DECL_D(B); FP_DECL_D(C); FP_DECL_D(T); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); + FP_UNPACK_DP(C, frC); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); @@ -47,5 +49,7 @@ fmsub(void *frD, void *frA, void *frB, void *frC) printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_D(frD, R)); + __FP_PACK_D(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fmsubs.c b/arch/powerpc/math-emu/fmsubs.c index 81a716d3ee2..2fdeeb9bb56 100644 --- a/arch/powerpc/math-emu/fmsubs.c +++ b/arch/powerpc/math-emu/fmsubs.c @@ -2,9 +2,10 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" -#include "single.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> +#include <math-emu/single.h> int fmsubs(void *frD, void *frA, void *frB, void *frC) @@ -14,15 +15,16 @@ fmsubs(void *frD, void *frA, void *frB, void *frC) FP_DECL_D(B); FP_DECL_D(C); FP_DECL_D(T); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); + FP_UNPACK_DP(C, frC); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); @@ -48,5 +50,7 @@ fmsubs(void *frD, void *frA, void *frB, void *frC) printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_DS(frD, R)); + __FP_PACK_DS(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fmul.c b/arch/powerpc/math-emu/fmul.c index 2f3d32784a0..391fd17d344 100644 --- a/arch/powerpc/math-emu/fmul.c +++ b/arch/powerpc/math-emu/fmul.c @@ -2,8 +2,9 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> int fmul(void *frD, void *frA, void *frB) @@ -11,14 +12,15 @@ fmul(void *frD, void *frA, void *frB) FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(R); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p\n", __func__, frD, frA, frB); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n", @@ -38,5 +40,7 @@ fmul(void *frD, void *frA, void *frB) R_s, R_f1, R_f0, R_e, R_c, R_f1, R_f0, R_e + 1023); #endif - return (ret | __FP_PACK_D(frD, R)); + __FP_PACK_D(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fmuls.c b/arch/powerpc/math-emu/fmuls.c index 962b5883f78..2d3ec5f7da2 100644 --- a/arch/powerpc/math-emu/fmuls.c +++ b/arch/powerpc/math-emu/fmuls.c @@ -2,9 +2,10 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" -#include "single.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> +#include <math-emu/single.h> int fmuls(void *frD, void *frA, void *frB) @@ -12,14 +13,15 @@ fmuls(void *frD, void *frA, void *frB) FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(R); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p\n", __func__, frD, frA, frB); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n", @@ -39,5 +41,7 @@ fmuls(void *frD, void *frA, void *frB) R_s, R_f1, R_f0, R_e, R_c, R_f1, R_f0, R_e + 1023); #endif - return (ret | __FP_PACK_DS(frD, R)); + __FP_PACK_DS(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fnmadd.c b/arch/powerpc/math-emu/fnmadd.c index 8cf7827c4fb..2497b86494e 100644 --- a/arch/powerpc/math-emu/fnmadd.c +++ b/arch/powerpc/math-emu/fnmadd.c @@ -2,8 +2,9 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> int fnmadd(void *frD, void *frA, void *frB, void *frC) @@ -13,15 +14,16 @@ fnmadd(void *frD, void *frA, void *frB, void *frC) FP_DECL_D(B); FP_DECL_D(C); FP_DECL_D(T); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); + FP_UNPACK_DP(C, frC); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); @@ -47,5 +49,7 @@ fnmadd(void *frD, void *frA, void *frB, void *frC) printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_D(frD, R)); + __FP_PACK_D(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fnmadds.c b/arch/powerpc/math-emu/fnmadds.c index f1c4f0f0d80..ee9d71e0b37 100644 --- a/arch/powerpc/math-emu/fnmadds.c +++ b/arch/powerpc/math-emu/fnmadds.c @@ -2,9 +2,10 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" -#include "single.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> +#include <math-emu/single.h> int fnmadds(void *frD, void *frA, void *frB, void *frC) @@ -14,15 +15,16 @@ fnmadds(void *frD, void *frA, void *frB, void *frC) FP_DECL_D(B); FP_DECL_D(C); FP_DECL_D(T); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); + FP_UNPACK_DP(C, frC); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); @@ -48,5 +50,7 @@ fnmadds(void *frD, void *frA, void *frB, void *frC) printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_DS(frD, R)); + __FP_PACK_DS(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fnmsub.c b/arch/powerpc/math-emu/fnmsub.c index 98944e6e260..3885a77acc9 100644 --- a/arch/powerpc/math-emu/fnmsub.c +++ b/arch/powerpc/math-emu/fnmsub.c @@ -2,8 +2,9 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> int fnmsub(void *frD, void *frA, void *frB, void *frC) @@ -13,15 +14,16 @@ fnmsub(void *frD, void *frA, void *frB, void *frC) FP_DECL_D(B); FP_DECL_D(C); FP_DECL_D(T); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); + FP_UNPACK_DP(C, frC); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); @@ -50,5 +52,7 @@ fnmsub(void *frD, void *frA, void *frB, void *frC) printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_D(frD, R)); + __FP_PACK_D(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fnmsubs.c b/arch/powerpc/math-emu/fnmsubs.c index b20f4eb63fb..f835dfeb0fd 100644 --- a/arch/powerpc/math-emu/fnmsubs.c +++ b/arch/powerpc/math-emu/fnmsubs.c @@ -2,9 +2,10 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" -#include "single.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> +#include <math-emu/single.h> int fnmsubs(void *frD, void *frA, void *frB, void *frC) @@ -14,15 +15,16 @@ fnmsubs(void *frD, void *frA, void *frB, void *frC) FP_DECL_D(B); FP_DECL_D(C); FP_DECL_D(T); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); - __FP_UNPACK_D(C, frC); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); + FP_UNPACK_DP(C, frC); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); @@ -51,5 +53,7 @@ fnmsubs(void *frD, void *frA, void *frB, void *frC) printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_DS(frD, R)); + __FP_PACK_DS(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/frsp.c b/arch/powerpc/math-emu/frsp.c index 724ccbc0468..ddcc14664b1 100644 --- a/arch/powerpc/math-emu/frsp.c +++ b/arch/powerpc/math-emu/frsp.c @@ -2,24 +2,28 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" -#include "single.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> +#include <math-emu/single.h> int frsp(void *frD, void *frB) { FP_DECL_D(B); + FP_DECL_EX; #ifdef DEBUG printk("%s: D %p, B %p\n", __func__, frD, frB); #endif - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(B, frB); #ifdef DEBUG printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); #endif - return __FP_PACK_DS(frD, B); + __FP_PACK_DS(frD, B); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fsel.c b/arch/powerpc/math-emu/fsel.c index ecb5f28eb1f..1b0c1449803 100644 --- a/arch/powerpc/math-emu/fsel.c +++ b/arch/powerpc/math-emu/fsel.c @@ -2,19 +2,21 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> int fsel(u32 *frD, void *frA, u32 *frB, u32 *frC) { FP_DECL_D(A); + FP_DECL_EX; #ifdef DEBUG printk("%s: %p %p %p %p\n", __func__, frD, frA, frB, frC); #endif - __FP_UNPACK_D(A, frA); + FP_UNPACK_DP(A, frA); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); diff --git a/arch/powerpc/math-emu/fsqrt.c b/arch/powerpc/math-emu/fsqrt.c index 38ec2b752e9..3e90072693a 100644 --- a/arch/powerpc/math-emu/fsqrt.c +++ b/arch/powerpc/math-emu/fsqrt.c @@ -2,21 +2,23 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> int fsqrt(void *frD, void *frB) { FP_DECL_D(B); FP_DECL_D(R); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p %p\n", __func__, frD, frB); #endif - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(B, frB); #ifdef DEBUG printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); @@ -33,5 +35,7 @@ fsqrt(void *frD, void *frB) printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_D(frD, R)); + __FP_PACK_D(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fsqrts.c b/arch/powerpc/math-emu/fsqrts.c index 335263e06ee..2843be986e2 100644 --- a/arch/powerpc/math-emu/fsqrts.c +++ b/arch/powerpc/math-emu/fsqrts.c @@ -2,22 +2,24 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" -#include "single.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> +#include <math-emu/single.h> int fsqrts(void *frD, void *frB) { FP_DECL_D(B); FP_DECL_D(R); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p %p\n", __func__, frD, frB); #endif - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(B, frB); #ifdef DEBUG printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); @@ -34,5 +36,7 @@ fsqrts(void *frD, void *frB) printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_DS(frD, R)); + __FP_PACK_DS(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fsub.c b/arch/powerpc/math-emu/fsub.c index 208d20fc52a..78b09446a0e 100644 --- a/arch/powerpc/math-emu/fsub.c +++ b/arch/powerpc/math-emu/fsub.c @@ -2,8 +2,9 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> int fsub(void *frD, void *frA, void *frB) @@ -11,14 +12,15 @@ fsub(void *frD, void *frA, void *frB) FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(R); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p\n", __func__, frD, frA, frB); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); @@ -37,5 +39,7 @@ fsub(void *frD, void *frA, void *frB) printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_D(frD, R)); + __FP_PACK_D(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/fsubs.c b/arch/powerpc/math-emu/fsubs.c index 0e61b808c44..d3bf90863cf 100644 --- a/arch/powerpc/math-emu/fsubs.c +++ b/arch/powerpc/math-emu/fsubs.c @@ -2,9 +2,10 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" -#include "single.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> +#include <math-emu/single.h> int fsubs(void *frD, void *frA, void *frB) @@ -12,14 +13,15 @@ fsubs(void *frD, void *frA, void *frB) FP_DECL_D(A); FP_DECL_D(B); FP_DECL_D(R); + FP_DECL_EX; int ret = 0; #ifdef DEBUG printk("%s: %p %p %p\n", __func__, frD, frA, frB); #endif - __FP_UNPACK_D(A, frA); - __FP_UNPACK_D(B, frB); + FP_UNPACK_DP(A, frA); + FP_UNPACK_DP(B, frB); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); @@ -38,5 +40,7 @@ fsubs(void *frD, void *frA, void *frB) printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return (ret | __FP_PACK_DS(frD, R)); + __FP_PACK_DS(frD, R); + + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/lfd.c b/arch/powerpc/math-emu/lfd.c index 6ec90b57c61..79ac76d596c 100644 --- a/arch/powerpc/math-emu/lfd.c +++ b/arch/powerpc/math-emu/lfd.c @@ -2,8 +2,8 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "sfp-machine.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/double.h> int lfd(void *frD, void *ea) diff --git a/arch/powerpc/math-emu/lfs.c b/arch/powerpc/math-emu/lfs.c index 6f18ebe3a7f..434ed27be8d 100644 --- a/arch/powerpc/math-emu/lfs.c +++ b/arch/powerpc/math-emu/lfs.c @@ -2,15 +2,17 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" -#include "single.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> +#include <math-emu/single.h> int lfs(void *frD, void *ea) { FP_DECL_D(R); FP_DECL_S(A); + FP_DECL_EX; float f; #ifdef DEBUG @@ -20,7 +22,7 @@ lfs(void *frD, void *ea) if (copy_from_user(&f, ea, sizeof(float))) return -EFAULT; - __FP_UNPACK_S(A, &f); + FP_UNPACK_S(A, f); #ifdef DEBUG printk("A: %ld %lu %ld (%ld) [%08lx]\n", A_s, A_f, A_e, A_c, @@ -33,5 +35,12 @@ lfs(void *frD, void *ea) printk("R: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); #endif - return __FP_PACK_D(frD, R); + if (R_c == FP_CLS_NAN) { + R_e = _FP_EXPMAX_D; + _FP_PACK_RAW_2_P(D, frD, R); + } else { + __FP_PACK_D(frD, R); + } + + return 0; } diff --git a/arch/powerpc/math-emu/math.c b/arch/powerpc/math-emu/math.c index 29e545e0272..164d55935bd 100644 --- a/arch/powerpc/math-emu/math.c +++ b/arch/powerpc/math-emu/math.c @@ -8,8 +8,8 @@ #include <asm/uaccess.h> #include <asm/reg.h> -#include "sfp-machine.h" -#include "double.h" +#include <asm/sfp-machine.h> +#include <math-emu/double.h> #define FLOATFUNC(x) extern int x(void *, void *, void *, void *) @@ -168,6 +168,8 @@ record_exception(struct pt_regs *regs, int eflag) fpscr |= FPSCR_ZX; if (eflag & EFLAG_INEXACT) fpscr |= FPSCR_XX; + if (eflag & EFLAG_INVALID) + fpscr |= FPSCR_VX; if (eflag & EFLAG_VXSNAN) fpscr |= FPSCR_VXSNAN; if (eflag & EFLAG_VXISI) @@ -188,7 +190,7 @@ record_exception(struct pt_regs *regs, int eflag) fpscr |= FPSCR_VXCVI; } - fpscr &= ~(FPSCR_VX); +// fpscr &= ~(FPSCR_VX); if (fpscr & (FPSCR_VXSNAN | FPSCR_VXISI | FPSCR_VXIDI | FPSCR_VXZDZ | FPSCR_VXIMZ | FPSCR_VXVC | FPSCR_VXSOFT | FPSCR_VXSQRT | FPSCR_VXCVI)) diff --git a/arch/powerpc/math-emu/mcrfs.c b/arch/powerpc/math-emu/mcrfs.c index 41ba247faf8..e948d5708e2 100644 --- a/arch/powerpc/math-emu/mcrfs.c +++ b/arch/powerpc/math-emu/mcrfs.c @@ -2,7 +2,8 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> int mcrfs(u32 *ccr, u32 crfD, u32 crfS) diff --git a/arch/powerpc/math-emu/mffs.c b/arch/powerpc/math-emu/mffs.c index b0e2106e6eb..5526cf96ede 100644 --- a/arch/powerpc/math-emu/mffs.c +++ b/arch/powerpc/math-emu/mffs.c @@ -2,7 +2,8 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> int mffs(u32 *frD) diff --git a/arch/powerpc/math-emu/mtfsb0.c b/arch/powerpc/math-emu/mtfsb0.c index d3062350ea2..bc985585bca 100644 --- a/arch/powerpc/math-emu/mtfsb0.c +++ b/arch/powerpc/math-emu/mtfsb0.c @@ -2,7 +2,8 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> int mtfsb0(int crbD) diff --git a/arch/powerpc/math-emu/mtfsb1.c b/arch/powerpc/math-emu/mtfsb1.c index 2e948704b56..fe6ed5ac85b 100644 --- a/arch/powerpc/math-emu/mtfsb1.c +++ b/arch/powerpc/math-emu/mtfsb1.c @@ -2,7 +2,8 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> int mtfsb1(int crbD) diff --git a/arch/powerpc/math-emu/mtfsf.c b/arch/powerpc/math-emu/mtfsf.c index 48014d8e3af..dbce92e4f04 100644 --- a/arch/powerpc/math-emu/mtfsf.c +++ b/arch/powerpc/math-emu/mtfsf.c @@ -2,12 +2,14 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> int mtfsf(unsigned int FM, u32 *frB) { u32 mask; + u32 fpscr; if (FM == 0) return 0; @@ -37,6 +39,22 @@ mtfsf(unsigned int FM, u32 *frB) __FPU_FPSCR &= ~(mask); __FPU_FPSCR |= (frB[1] & mask); + __FPU_FPSCR &= ~(FPSCR_VX); + if (__FPU_FPSCR & (FPSCR_VXSNAN | FPSCR_VXISI | FPSCR_VXIDI | + FPSCR_VXZDZ | FPSCR_VXIMZ | FPSCR_VXVC | + FPSCR_VXSOFT | FPSCR_VXSQRT | FPSCR_VXCVI)) + __FPU_FPSCR |= FPSCR_VX; + + fpscr = __FPU_FPSCR; + fpscr &= ~(FPSCR_FEX); + if (((fpscr & FPSCR_VX) && (fpscr & FPSCR_VE)) || + ((fpscr & FPSCR_OX) && (fpscr & FPSCR_OE)) || + ((fpscr & FPSCR_UX) && (fpscr & FPSCR_UE)) || + ((fpscr & FPSCR_ZX) && (fpscr & FPSCR_ZE)) || + ((fpscr & FPSCR_XX) && (fpscr & FPSCR_XE))) + fpscr |= FPSCR_FEX; + __FPU_FPSCR = fpscr; + #ifdef DEBUG printk("%s: %02x %p: %08lx\n", __func__, FM, frB, __FPU_FPSCR); #endif diff --git a/arch/powerpc/math-emu/mtfsfi.c b/arch/powerpc/math-emu/mtfsfi.c index 031e2009354..fd2acc26813 100644 --- a/arch/powerpc/math-emu/mtfsfi.c +++ b/arch/powerpc/math-emu/mtfsfi.c @@ -2,7 +2,8 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> int mtfsfi(unsigned int crfD, unsigned int IMM) diff --git a/arch/powerpc/math-emu/op-1.h b/arch/powerpc/math-emu/op-1.h deleted file mode 100644 index c92fa95f562..00000000000 --- a/arch/powerpc/math-emu/op-1.h +++ /dev/null @@ -1,245 +0,0 @@ -/* - * Basic one-word fraction declaration and manipulation. - */ - -#define _FP_FRAC_DECL_1(X) _FP_W_TYPE X##_f -#define _FP_FRAC_COPY_1(D,S) (D##_f = S##_f) -#define _FP_FRAC_SET_1(X,I) (X##_f = I) -#define _FP_FRAC_HIGH_1(X) (X##_f) -#define _FP_FRAC_LOW_1(X) (X##_f) -#define _FP_FRAC_WORD_1(X,w) (X##_f) - -#define _FP_FRAC_ADDI_1(X,I) (X##_f += I) -#define _FP_FRAC_SLL_1(X,N) \ - do { \ - if (__builtin_constant_p(N) && (N) == 1) \ - X##_f += X##_f; \ - else \ - X##_f <<= (N); \ - } while (0) -#define _FP_FRAC_SRL_1(X,N) (X##_f >>= N) - -/* Right shift with sticky-lsb. */ -#define _FP_FRAC_SRS_1(X,N,sz) __FP_FRAC_SRS_1(X##_f, N, sz) - -#define __FP_FRAC_SRS_1(X,N,sz) \ - (X = (X >> (N) | (__builtin_constant_p(N) && (N) == 1 \ - ? X & 1 : (X << (_FP_W_TYPE_SIZE - (N))) != 0))) - -#define _FP_FRAC_ADD_1(R,X,Y) (R##_f = X##_f + Y##_f) -#define _FP_FRAC_SUB_1(R,X,Y) (R##_f = X##_f - Y##_f) -#define _FP_FRAC_CLZ_1(z, X) __FP_CLZ(z, X##_f) - -/* Predicates */ -#define _FP_FRAC_NEGP_1(X) ((_FP_WS_TYPE)X##_f < 0) -#define _FP_FRAC_ZEROP_1(X) (X##_f == 0) -#define _FP_FRAC_OVERP_1(fs,X) (X##_f & _FP_OVERFLOW_##fs) -#define _FP_FRAC_EQ_1(X, Y) (X##_f == Y##_f) -#define _FP_FRAC_GE_1(X, Y) (X##_f >= Y##_f) -#define _FP_FRAC_GT_1(X, Y) (X##_f > Y##_f) - -#define _FP_ZEROFRAC_1 0 -#define _FP_MINFRAC_1 1 - -/* - * Unpack the raw bits of a native fp value. Do not classify or - * normalize the data. - */ - -#define _FP_UNPACK_RAW_1(fs, X, val) \ - do { \ - union _FP_UNION_##fs _flo; _flo.flt = (val); \ - \ - X##_f = _flo.bits.frac; \ - X##_e = _flo.bits.exp; \ - X##_s = _flo.bits.sign; \ - } while (0) - - -/* - * Repack the raw bits of a native fp value. - */ - -#define _FP_PACK_RAW_1(fs, val, X) \ - do { \ - union _FP_UNION_##fs _flo; \ - \ - _flo.bits.frac = X##_f; \ - _flo.bits.exp = X##_e; \ - _flo.bits.sign = X##_s; \ - \ - (val) = _flo.flt; \ - } while (0) - - -/* - * Multiplication algorithms: - */ - -/* Basic. Assuming the host word size is >= 2*FRACBITS, we can do the - multiplication immediately. */ - -#define _FP_MUL_MEAT_1_imm(fs, R, X, Y) \ - do { \ - R##_f = X##_f * Y##_f; \ - /* Normalize since we know where the msb of the multiplicands \ - were (bit B), we know that the msb of the of the product is \ - at either 2B or 2B-1. */ \ - _FP_FRAC_SRS_1(R, _FP_WFRACBITS_##fs-1, 2*_FP_WFRACBITS_##fs); \ - } while (0) - -/* Given a 1W * 1W => 2W primitive, do the extended multiplication. */ - -#define _FP_MUL_MEAT_1_wide(fs, R, X, Y, doit) \ - do { \ - _FP_W_TYPE _Z_f0, _Z_f1; \ - doit(_Z_f1, _Z_f0, X##_f, Y##_f); \ - /* Normalize since we know where the msb of the multiplicands \ - were (bit B), we know that the msb of the of the product is \ - at either 2B or 2B-1. */ \ - _FP_FRAC_SRS_2(_Z, _FP_WFRACBITS_##fs-1, 2*_FP_WFRACBITS_##fs); \ - R##_f = _Z_f0; \ - } while (0) - -/* Finally, a simple widening multiply algorithm. What fun! */ - -#define _FP_MUL_MEAT_1_hard(fs, R, X, Y) \ - do { \ - _FP_W_TYPE _xh, _xl, _yh, _yl, _z_f0, _z_f1, _a_f0, _a_f1; \ - \ - /* split the words in half */ \ - _xh = X##_f >> (_FP_W_TYPE_SIZE/2); \ - _xl = X##_f & (((_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2)) - 1); \ - _yh = Y##_f >> (_FP_W_TYPE_SIZE/2); \ - _yl = Y##_f & (((_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2)) - 1); \ - \ - /* multiply the pieces */ \ - _z_f0 = _xl * _yl; \ - _a_f0 = _xh * _yl; \ - _a_f1 = _xl * _yh; \ - _z_f1 = _xh * _yh; \ - \ - /* reassemble into two full words */ \ - if ((_a_f0 += _a_f1) < _a_f1) \ - _z_f1 += (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE/2); \ - _a_f1 = _a_f0 >> (_FP_W_TYPE_SIZE/2); \ - _a_f0 = _a_f0 << (_FP_W_TYPE_SIZE/2); \ - _FP_FRAC_ADD_2(_z, _z, _a); \ - \ - /* normalize */ \ - _FP_FRAC_SRS_2(_z, _FP_WFRACBITS_##fs - 1, 2*_FP_WFRACBITS_##fs); \ - R##_f = _z_f0; \ - } while (0) - - -/* - * Division algorithms: - */ - -/* Basic. Assuming the host word size is >= 2*FRACBITS, we can do the - division immediately. Give this macro either _FP_DIV_HELP_imm for - C primitives or _FP_DIV_HELP_ldiv for the ISO function. Which you - choose will depend on what the compiler does with divrem4. */ - -#define _FP_DIV_MEAT_1_imm(fs, R, X, Y, doit) \ - do { \ - _FP_W_TYPE _q, _r; \ - X##_f <<= (X##_f < Y##_f \ - ? R##_e--, _FP_WFRACBITS_##fs \ - : _FP_WFRACBITS_##fs - 1); \ - doit(_q, _r, X##_f, Y##_f); \ - R##_f = _q | (_r != 0); \ - } while (0) - -/* GCC's longlong.h defines a 2W / 1W => (1W,1W) primitive udiv_qrnnd - that may be useful in this situation. This first is for a primitive - that requires normalization, the second for one that does not. Look - for UDIV_NEEDS_NORMALIZATION to tell which your machine needs. */ - -#define _FP_DIV_MEAT_1_udiv_norm(fs, R, X, Y) \ - do { \ - _FP_W_TYPE _nh, _nl, _q, _r; \ - \ - /* Normalize Y -- i.e. make the most significant bit set. */ \ - Y##_f <<= _FP_WFRACXBITS_##fs - 1; \ - \ - /* Shift X op correspondingly high, that is, up one full word. */ \ - if (X##_f <= Y##_f) \ - { \ - _nl = 0; \ - _nh = X##_f; \ - } \ - else \ - { \ - R##_e++; \ - _nl = X##_f << (_FP_W_TYPE_SIZE-1); \ - _nh = X##_f >> 1; \ - } \ - \ - udiv_qrnnd(_q, _r, _nh, _nl, Y##_f); \ - R##_f = _q | (_r != 0); \ - } while (0) - -#define _FP_DIV_MEAT_1_udiv(fs, R, X, Y) \ - do { \ - _FP_W_TYPE _nh, _nl, _q, _r; \ - if (X##_f < Y##_f) \ - { \ - R##_e--; \ - _nl = X##_f << _FP_WFRACBITS_##fs; \ - _nh = X##_f >> _FP_WFRACXBITS_##fs; \ - } \ - else \ - { \ - _nl = X##_f << (_FP_WFRACBITS_##fs - 1); \ - _nh = X##_f >> (_FP_WFRACXBITS_##fs + 1); \ - } \ - udiv_qrnnd(_q, _r, _nh, _nl, Y##_f); \ - R##_f = _q | (_r != 0); \ - } while (0) - - -/* - * Square root algorithms: - * We have just one right now, maybe Newton approximation - * should be added for those machines where division is fast. - */ - -#define _FP_SQRT_MEAT_1(R, S, T, X, q) \ - do { \ - while (q) \ - { \ - T##_f = S##_f + q; \ - if (T##_f <= X##_f) \ - { \ - S##_f = T##_f + q; \ - X##_f -= T##_f; \ - R##_f += q; \ - } \ - _FP_FRAC_SLL_1(X, 1); \ - q >>= 1; \ - } \ - } while (0) - -/* - * Assembly/disassembly for converting to/from integral types. - * No shifting or overflow handled here. - */ - -#define _FP_FRAC_ASSEMBLE_1(r, X, rsize) (r = X##_f) -#define _FP_FRAC_DISASSEMBLE_1(X, r, rsize) (X##_f = r) - - -/* - * Convert FP values between word sizes - */ - -#define _FP_FRAC_CONV_1_1(dfs, sfs, D, S) \ - do { \ - D##_f = S##_f; \ - if (_FP_WFRACBITS_##sfs > _FP_WFRACBITS_##dfs) \ - _FP_FRAC_SRS_1(D, (_FP_WFRACBITS_##sfs-_FP_WFRACBITS_##dfs), \ - _FP_WFRACBITS_##sfs); \ - else \ - D##_f <<= _FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs; \ - } while (0) diff --git a/arch/powerpc/math-emu/op-2.h b/arch/powerpc/math-emu/op-2.h deleted file mode 100644 index 7d6f17cc292..00000000000 --- a/arch/powerpc/math-emu/op-2.h +++ /dev/null @@ -1,434 +0,0 @@ -/* - * Basic two-word fraction declaration and manipulation. - */ - -#define _FP_FRAC_DECL_2(X) _FP_W_TYPE X##_f0, X##_f1 -#define _FP_FRAC_COPY_2(D,S) (D##_f0 = S##_f0, D##_f1 = S##_f1) -#define _FP_FRAC_SET_2(X,I) __FP_FRAC_SET_2(X, I) -#define _FP_FRAC_HIGH_2(X) (X##_f1) -#define _FP_FRAC_LOW_2(X) (X##_f0) -#define _FP_FRAC_WORD_2(X,w) (X##_f##w) - -#define _FP_FRAC_SLL_2(X,N) \ - do { \ - if ((N) < _FP_W_TYPE_SIZE) \ - { \ - if (__builtin_constant_p(N) && (N) == 1) \ - { \ - X##_f1 = X##_f1 + X##_f1 + (((_FP_WS_TYPE)(X##_f0)) < 0); \ - X##_f0 += X##_f0; \ - } \ - else \ - { \ - X##_f1 = X##_f1 << (N) | X##_f0 >> (_FP_W_TYPE_SIZE - (N)); \ - X##_f0 <<= (N); \ - } \ - } \ - else \ - { \ - X##_f1 = X##_f0 << ((N) - _FP_W_TYPE_SIZE); \ - X##_f0 = 0; \ - } \ - } while (0) - -#define _FP_FRAC_SRL_2(X,N) \ - do { \ - if ((N) < _FP_W_TYPE_SIZE) \ - { \ - X##_f0 = X##_f0 >> (N) | X##_f1 << (_FP_W_TYPE_SIZE - (N)); \ - X##_f1 >>= (N); \ - } \ - else \ - { \ - X##_f0 = X##_f1 >> ((N) - _FP_W_TYPE_SIZE); \ - X##_f1 = 0; \ - } \ - } while (0) - -/* Right shift with sticky-lsb. */ -#define _FP_FRAC_SRS_2(X,N,sz) \ - do { \ - if ((N) < _FP_W_TYPE_SIZE) \ - { \ - X##_f0 = (X##_f1 << (_FP_W_TYPE_SIZE - (N)) | X##_f0 >> (N) | \ - (__builtin_constant_p(N) && (N) == 1 \ - ? X##_f0 & 1 \ - : (X##_f0 << (_FP_W_TYPE_SIZE - (N))) != 0)); \ - X##_f1 >>= (N); \ - } \ - else \ - { \ - X##_f0 = (X##_f1 >> ((N) - _FP_W_TYPE_SIZE) | \ - (((X##_f1 << (2 * _FP_W_TYPE_SIZE - (N))) | \ - X##_f0) != 0)); \ - X##_f1 = 0; \ - } \ - } while (0) - -#define _FP_FRAC_ADDI_2(X,I) \ - __FP_FRAC_ADDI_2(X##_f1, X##_f0, I) - -#define _FP_FRAC_ADD_2(R,X,Y) \ - __FP_FRAC_ADD_2(R##_f1, R##_f0, X##_f1, X##_f0, Y##_f1, Y##_f0) - -#define _FP_FRAC_SUB_2(R,X,Y) \ - __FP_FRAC_SUB_2(R##_f1, R##_f0, X##_f1, X##_f0, Y##_f1, Y##_f0) - -#define _FP_FRAC_CLZ_2(R,X) \ - do { \ - if (X##_f1) \ - __FP_CLZ(R,X##_f1); \ - else \ - { \ - __FP_CLZ(R,X##_f0); \ - R += _FP_W_TYPE_SIZE; \ - } \ - } while(0) - -/* Predicates */ -#define _FP_FRAC_NEGP_2(X) ((_FP_WS_TYPE)X##_f1 < 0) -#define _FP_FRAC_ZEROP_2(X) ((X##_f1 | X##_f0) == 0) -#define _FP_FRAC_OVERP_2(fs,X) (X##_f1 & _FP_OVERFLOW_##fs) -#define _FP_FRAC_EQ_2(X, Y) (X##_f1 == Y##_f1 && X##_f0 == Y##_f0) -#define _FP_FRAC_GT_2(X, Y) \ - ((X##_f1 > Y##_f1) || (X##_f1 == Y##_f1 && X##_f0 > Y##_f0)) -#define _FP_FRAC_GE_2(X, Y) \ - ((X##_f1 > Y##_f1) || (X##_f1 == Y##_f1 && X##_f0 >= Y##_f0)) - -#define _FP_ZEROFRAC_2 0, 0 -#define _FP_MINFRAC_2 0, 1 - -/* - * Internals - */ - -#define __FP_FRAC_SET_2(X,I1,I0) (X##_f0 = I0, X##_f1 = I1) - -#define __FP_CLZ_2(R, xh, xl) \ - do { \ - if (xh) \ - __FP_CLZ(R,xl); \ - else \ - { \ - __FP_CLZ(R,xl); \ - R += _FP_W_TYPE_SIZE; \ - } \ - } while(0) - -#if 0 - -#ifndef __FP_FRAC_ADDI_2 -#define __FP_FRAC_ADDI_2(xh, xl, i) \ - (xh += ((xl += i) < i)) -#endif -#ifndef __FP_FRAC_ADD_2 -#define __FP_FRAC_ADD_2(rh, rl, xh, xl, yh, yl) \ - (rh = xh + yh + ((rl = xl + yl) < xl)) -#endif -#ifndef __FP_FRAC_SUB_2 -#define __FP_FRAC_SUB_2(rh, rl, xh, xl, yh, yl) \ - (rh = xh - yh - ((rl = xl - yl) > xl)) -#endif - -#else - -#undef __FP_FRAC_ADDI_2 -#define __FP_FRAC_ADDI_2(xh, xl, i) add_ssaaaa(xh, xl, xh, xl, 0, i) -#undef __FP_FRAC_ADD_2 -#define __FP_FRAC_ADD_2 add_ssaaaa -#undef __FP_FRAC_SUB_2 -#define __FP_FRAC_SUB_2 sub_ddmmss - -#endif - -/* - * Unpack the raw bits of a native fp value. Do not classify or - * normalize the data. - */ - -#define _FP_UNPACK_RAW_2(fs, X, val) \ - do { \ - union _FP_UNION_##fs _flo; _flo.flt = (val); \ - \ - X##_f0 = _flo.bits.frac0; \ - X##_f1 = _flo.bits.frac1; \ - X##_e = _flo.bits.exp; \ - X##_s = _flo.bits.sign; \ - } while (0) - - -/* - * Repack the raw bits of a native fp value. - */ - -#define _FP_PACK_RAW_2(fs, val, X) \ - do { \ - union _FP_UNION_##fs _flo; \ - \ - _flo.bits.frac0 = X##_f0; \ - _flo.bits.frac1 = X##_f1; \ - _flo.bits.exp = X##_e; \ - _flo.bits.sign = X##_s; \ - \ - (val) = _flo.flt; \ - } while (0) - - -/* - * Multiplication algorithms: - */ - -/* Given a 1W * 1W => 2W primitive, do the extended multiplication. */ - -#define _FP_MUL_MEAT_2_wide(fs, R, X, Y, doit) \ - do { \ - _FP_FRAC_DECL_4(_z); _FP_FRAC_DECL_2(_b); _FP_FRAC_DECL_2(_c); \ - \ - doit(_FP_FRAC_WORD_4(_z,1), _FP_FRAC_WORD_4(_z,0), X##_f0, Y##_f0); \ - doit(_b_f1, _b_f0, X##_f0, Y##_f1); \ - doit(_c_f1, _c_f0, X##_f1, Y##_f0); \ - doit(_FP_FRAC_WORD_4(_z,3), _FP_FRAC_WORD_4(_z,2), X##_f1, Y##_f1); \ - \ - __FP_FRAC_ADD_4(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \ - _FP_FRAC_WORD_4(_z,1),_FP_FRAC_WORD_4(_z,0), \ - 0, _b_f1, _b_f0, 0, \ - _FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \ - _FP_FRAC_WORD_4(_z,1),_FP_FRAC_WORD_4(_z,0)); \ - __FP_FRAC_ADD_4(_FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \ - _FP_FRAC_WORD_4(_z,1),_FP_FRAC_WORD_4(_z,0), \ - 0, _c_f1, _c_f0, 0, \ - _FP_FRAC_WORD_4(_z,3),_FP_FRAC_WORD_4(_z,2), \ - _FP_FRAC_WORD_4(_z,1),_FP_FRAC_WORD_4(_z,0)); \ - \ - /* Normalize since we know where the msb of the multiplicands \ - were (bit B), we know that the msb of the of the product is \ - at either 2B or 2B-1. */ \ - _FP_FRAC_SRS_4(_z, _FP_WFRACBITS_##fs-1, 2*_FP_WFRACBITS_##fs); \ - R##_f0 = _FP_FRAC_WORD_4(_z,0); \ - R##_f1 = _FP_FRAC_WORD_4(_z,1); \ - } while (0) - -/* This next macro appears to be totally broken. Fortunately nowhere - * seems to use it :-> The problem is that we define _z[4] but - * then use it in _FP_FRAC_SRS_4, which will attempt to access - * _z_f[n] which will cause an error. The fix probably involves - * declaring it with _FP_FRAC_DECL_4, see previous macro. -- PMM 02/1998 - */ -#define _FP_MUL_MEAT_2_gmp(fs, R, X, Y) \ - do { \ - _FP_W_TYPE _x[2], _y[2], _z[4]; \ - _x[0] = X##_f0; _x[1] = X##_f1; \ - _y[0] = Y##_f0; _y[1] = Y##_f1; \ - \ - mpn_mul_n(_z, _x, _y, 2); \ - \ - /* Normalize since we know where the msb of the multiplicands \ - were (bit B), we know that the msb of the of the product is \ - at either 2B or 2B-1. */ \ - _FP_FRAC_SRS_4(_z, _FP_WFRACBITS##_fs-1, 2*_FP_WFRACBITS_##fs); \ - R##_f0 = _z[0]; \ - R##_f1 = _z[1]; \ - } while (0) - - -/* - * Division algorithms: - * This seems to be giving me difficulties -- PMM - * Look, NetBSD seems to be able to comment algorithms. Can't you? - * I've thrown printks at the problem. - * This now appears to work, but I still don't really know why. - * Also, I don't think the result is properly normalised... - */ - -#define _FP_DIV_MEAT_2_udiv_64(fs, R, X, Y) \ - do { \ - extern void _fp_udivmodti4(_FP_W_TYPE q[2], _FP_W_TYPE r[2], \ - _FP_W_TYPE n1, _FP_W_TYPE n0, \ - _FP_W_TYPE d1, _FP_W_TYPE d0); \ - _FP_W_TYPE _n_f3, _n_f2, _n_f1, _n_f0, _r_f1, _r_f0; \ - _FP_W_TYPE _q_f1, _q_f0, _m_f1, _m_f0; \ - _FP_W_TYPE _rmem[2], _qmem[2]; \ - /* I think this check is to ensure that the result is normalised. \ - * Assuming X,Y normalised (ie in [1.0,2.0)) X/Y will be in \ - * [0.5,2.0). Furthermore, it will be less than 1.0 iff X < Y. \ - * In this case we tweak things. (this is based on comments in \ - * the NetBSD FPU emulation code. ) \ - * We know X,Y are normalised because we ensure this as part of \ - * the unpacking process. -- PMM \ - */ \ - if (_FP_FRAC_GT_2(X, Y)) \ - { \ -/* R##_e++; */ \ - _n_f3 = X##_f1 >> 1; \ - _n_f2 = X##_f1 << (_FP_W_TYPE_SIZE - 1) | X##_f0 >> 1; \ - _n_f1 = X##_f0 << (_FP_W_TYPE_SIZE - 1); \ - _n_f0 = 0; \ - } \ - else \ - { \ - R##_e--; \ - _n_f3 = X##_f1; \ - _n_f2 = X##_f0; \ - _n_f1 = _n_f0 = 0; \ - } \ - \ - /* Normalize, i.e. make the most significant bit of the \ - denominator set. CHANGED: - 1 to nothing -- PMM */ \ - _FP_FRAC_SLL_2(Y, _FP_WFRACXBITS_##fs /* -1 */); \ - \ - /* Do the 256/128 bit division given the 128-bit _fp_udivmodtf4 \ - primitive snagged from libgcc2.c. */ \ - \ - _fp_udivmodti4(_qmem, _rmem, _n_f3, _n_f2, 0, Y##_f1); \ - _q_f1 = _qmem[0]; \ - umul_ppmm(_m_f1, _m_f0, _q_f1, Y##_f0); \ - _r_f1 = _rmem[0]; \ - _r_f0 = _n_f1; \ - if (_FP_FRAC_GT_2(_m, _r)) \ - { \ - _q_f1--; \ - _FP_FRAC_ADD_2(_r, _r, Y); \ - if (_FP_FRAC_GE_2(_r, Y) && _FP_FRAC_GT_2(_m, _r)) \ - { \ - _q_f1--; \ - _FP_FRAC_ADD_2(_r, _r, Y); \ - } \ - } \ - _FP_FRAC_SUB_2(_r, _r, _m); \ - \ - _fp_udivmodti4(_qmem, _rmem, _r_f1, _r_f0, 0, Y##_f1); \ - _q_f0 = _qmem[0]; \ - umul_ppmm(_m_f1, _m_f0, _q_f0, Y##_f0); \ - _r_f1 = _rmem[0]; \ - _r_f0 = _n_f0; \ - if (_FP_FRAC_GT_2(_m, _r)) \ - { \ - _q_f0--; \ - _FP_FRAC_ADD_2(_r, _r, Y); \ - if (_FP_FRAC_GE_2(_r, Y) && _FP_FRAC_GT_2(_m, _r)) \ - { \ - _q_f0--; \ - _FP_FRAC_ADD_2(_r, _r, Y); \ - } \ - } \ - _FP_FRAC_SUB_2(_r, _r, _m); \ - \ - R##_f1 = _q_f1; \ - R##_f0 = _q_f0 | ((_r_f1 | _r_f0) != 0); \ - /* adjust so answer is normalized again. I'm not sure what the \ - * final sz param should be. In practice it's never used since \ - * N is 1 which is always going to be < _FP_W_TYPE_SIZE... \ - */ \ - /* _FP_FRAC_SRS_2(R,1,_FP_WFRACBITS_##fs); */ \ - } while (0) - - -#define _FP_DIV_MEAT_2_gmp(fs, R, X, Y) \ - do { \ - _FP_W_TYPE _x[4], _y[2], _z[4]; \ - _y[0] = Y##_f0; _y[1] = Y##_f1; \ - _x[0] = _x[3] = 0; \ - if (_FP_FRAC_GT_2(X, Y)) \ - { \ - R##_e++; \ - _x[1] = (X##_f0 << (_FP_WFRACBITS-1 - _FP_W_TYPE_SIZE) | \ - X##_f1 >> (_FP_W_TYPE_SIZE - \ - (_FP_WFRACBITS-1 - _FP_W_TYPE_SIZE))); \ - _x[2] = X##_f1 << (_FP_WFRACBITS-1 - _FP_W_TYPE_SIZE); \ - } \ - else \ - { \ - _x[1] = (X##_f0 << (_FP_WFRACBITS - _FP_W_TYPE_SIZE) | \ - X##_f1 >> (_FP_W_TYPE_SIZE - \ - (_FP_WFRACBITS - _FP_W_TYPE_SIZE))); \ - _x[2] = X##_f1 << (_FP_WFRACBITS - _FP_W_TYPE_SIZE); \ - } \ - \ - (void) mpn_divrem (_z, 0, _x, 4, _y, 2); \ - R##_f1 = _z[1]; \ - R##_f0 = _z[0] | ((_x[0] | _x[1]) != 0); \ - } while (0) - - -/* - * Square root algorithms: - * We have just one right now, maybe Newton approximation - * should be added for those machines where division is fast. - */ - -#define _FP_SQRT_MEAT_2(R, S, T, X, q) \ - do { \ - while (q) \ - { \ - T##_f1 = S##_f1 + q; \ - if (T##_f1 <= X##_f1) \ - { \ - S##_f1 = T##_f1 + q; \ - X##_f1 -= T##_f1; \ - R##_f1 += q; \ - } \ - _FP_FRAC_SLL_2(X, 1); \ - q >>= 1; \ - } \ - q = (_FP_W_TYPE)1 << (_FP_W_TYPE_SIZE - 1); \ - while (q) \ - { \ - T##_f0 = S##_f0 + q; \ - T##_f1 = S##_f1; \ - if (T##_f1 < X##_f1 || \ - (T##_f1 == X##_f1 && T##_f0 < X##_f0)) \ - { \ - S##_f0 = T##_f0 + q; \ - if (((_FP_WS_TYPE)T##_f0) < 0 && \ - ((_FP_WS_TYPE)S##_f0) >= 0) \ - S##_f1++; \ - _FP_FRAC_SUB_2(X, X, T); \ - R##_f0 += q; \ - } \ - _FP_FRAC_SLL_2(X, 1); \ - q >>= 1; \ - } \ - } while (0) - - -/* - * Assembly/disassembly for converting to/from integral types. - * No shifting or overflow handled here. - */ - -#define _FP_FRAC_ASSEMBLE_2(r, X, rsize) \ - do { \ - if (rsize <= _FP_W_TYPE_SIZE) \ - r = X##_f0; \ - else \ - { \ - r = X##_f1; \ - r <<= _FP_W_TYPE_SIZE; \ - r += X##_f0; \ - } \ - } while (0) - -#define _FP_FRAC_DISASSEMBLE_2(X, r, rsize) \ - do { \ - X##_f0 = r; \ - X##_f1 = (rsize <= _FP_W_TYPE_SIZE ? 0 : r >> _FP_W_TYPE_SIZE); \ - } while (0) - -/* - * Convert FP values between word sizes - */ - -#define _FP_FRAC_CONV_1_2(dfs, sfs, D, S) \ - do { \ - _FP_FRAC_SRS_2(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs), \ - _FP_WFRACBITS_##sfs); \ - D##_f = S##_f0; \ - } while (0) - -#define _FP_FRAC_CONV_2_1(dfs, sfs, D, S) \ - do { \ - D##_f0 = S##_f; \ - D##_f1 = 0; \ - _FP_FRAC_SLL_2(D, (_FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs)); \ - } while (0) - diff --git a/arch/powerpc/math-emu/op-4.h b/arch/powerpc/math-emu/op-4.h deleted file mode 100644 index c9ae626070d..00000000000 --- a/arch/powerpc/math-emu/op-4.h +++ /dev/null @@ -1,317 +0,0 @@ -/* - * Basic four-word fraction declaration and manipulation. - * - * When adding quadword support for 32 bit machines, we need - * to be a little careful as double multiply uses some of these - * macros: (in op-2.h) - * _FP_MUL_MEAT_2_wide() uses _FP_FRAC_DECL_4, _FP_FRAC_WORD_4, - * _FP_FRAC_ADD_4, _FP_FRAC_SRS_4 - * _FP_MUL_MEAT_2_gmp() uses _FP_FRAC_SRS_4 (and should use - * _FP_FRAC_DECL_4: it appears to be broken and is not used - * anywhere anyway. ) - * - * I've now fixed all the macros that were here from the sparc64 code. - * [*none* of the shift macros were correct!] -- PMM 02/1998 - * - * The only quadword stuff that remains to be coded is: - * 1) the conversion to/from ints, which requires - * that we check (in op-common.h) that the following do the right thing - * for quadwords: _FP_TO_INT(Q,4,r,X,rsz,rsg), _FP_FROM_INT(Q,4,X,r,rs,rt) - * 2) multiply, divide and sqrt, which require: - * _FP_MUL_MEAT_4_*(R,X,Y), _FP_DIV_MEAT_4_*(R,X,Y), _FP_SQRT_MEAT_4(R,S,T,X,q), - * This also needs _FP_MUL_MEAT_Q and _FP_DIV_MEAT_Q to be defined to - * some suitable _FP_MUL_MEAT_4_* macros in sfp-machine.h. - * [we're free to choose whatever FP_MUL_MEAT_4_* macros we need for - * these; they are used nowhere else. ] - */ - -#define _FP_FRAC_DECL_4(X) _FP_W_TYPE X##_f[4] -#define _FP_FRAC_COPY_4(D,S) \ - (D##_f[0] = S##_f[0], D##_f[1] = S##_f[1], \ - D##_f[2] = S##_f[2], D##_f[3] = S##_f[3]) -/* The _FP_FRAC_SET_n(X,I) macro is intended for use with another - * macro such as _FP_ZEROFRAC_n which returns n comma separated values. - * The result is that we get an expansion of __FP_FRAC_SET_n(X,I0,I1,I2,I3) - * which just assigns the In values to the array X##_f[]. - * This is why the number of parameters doesn't appear to match - * at first glance... -- PMM - */ -#define _FP_FRAC_SET_4(X,I) __FP_FRAC_SET_4(X, I) -#define _FP_FRAC_HIGH_4(X) (X##_f[3]) -#define _FP_FRAC_LOW_4(X) (X##_f[0]) -#define _FP_FRAC_WORD_4(X,w) (X##_f[w]) - -#define _FP_FRAC_SLL_4(X,N) \ - do { \ - _FP_I_TYPE _up, _down, _skip, _i; \ - _skip = (N) / _FP_W_TYPE_SIZE; \ - _up = (N) % _FP_W_TYPE_SIZE; \ - _down = _FP_W_TYPE_SIZE - _up; \ - for (_i = 3; _i > _skip; --_i) \ - X##_f[_i] = X##_f[_i-_skip] << _up | X##_f[_i-_skip-1] >> _down; \ -/* bugfixed: was X##_f[_i] <<= _up; -- PMM 02/1998 */ \ - X##_f[_i] = X##_f[0] << _up; \ - for (--_i; _i >= 0; --_i) \ - X##_f[_i] = 0; \ - } while (0) - -/* This one was broken too */ -#define _FP_FRAC_SRL_4(X,N) \ - do { \ - _FP_I_TYPE _up, _down, _skip, _i; \ - _skip = (N) / _FP_W_TYPE_SIZE; \ - _down = (N) % _FP_W_TYPE_SIZE; \ - _up = _FP_W_TYPE_SIZE - _down; \ - for (_i = 0; _i < 3-_skip; ++_i) \ - X##_f[_i] = X##_f[_i+_skip] >> _down | X##_f[_i+_skip+1] << _up; \ - X##_f[_i] = X##_f[3] >> _down; \ - for (++_i; _i < 4; ++_i) \ - X##_f[_i] = 0; \ - } while (0) - - -/* Right shift with sticky-lsb. - * What this actually means is that we do a standard right-shift, - * but that if any of the bits that fall off the right hand side - * were one then we always set the LSbit. - */ -#define _FP_FRAC_SRS_4(X,N,size) \ - do { \ - _FP_I_TYPE _up, _down, _skip, _i; \ - _FP_W_TYPE _s; \ - _skip = (N) / _FP_W_TYPE_SIZE; \ - _down = (N) % _FP_W_TYPE_SIZE; \ - _up = _FP_W_TYPE_SIZE - _down; \ - for (_s = _i = 0; _i < _skip; ++_i) \ - _s |= X##_f[_i]; \ - _s |= X##_f[_i] << _up; \ -/* s is now != 0 if we want to set the LSbit */ \ - for (_i = 0; _i < 3-_skip; ++_i) \ - X##_f[_i] = X##_f[_i+_skip] >> _down | X##_f[_i+_skip+1] << _up; \ - X##_f[_i] = X##_f[3] >> _down; \ - for (++_i; _i < 4; ++_i) \ - X##_f[_i] = 0; \ - /* don't fix the LSB until the very end when we're sure f[0] is stable */ \ - X##_f[0] |= (_s != 0); \ - } while (0) - -#define _FP_FRAC_ADD_4(R,X,Y) \ - __FP_FRAC_ADD_4(R##_f[3], R##_f[2], R##_f[1], R##_f[0], \ - X##_f[3], X##_f[2], X##_f[1], X##_f[0], \ - Y##_f[3], Y##_f[2], Y##_f[1], Y##_f[0]) - -#define _FP_FRAC_SUB_4(R,X,Y) \ - __FP_FRAC_SUB_4(R##_f[3], R##_f[2], R##_f[1], R##_f[0], \ - X##_f[3], X##_f[2], X##_f[1], X##_f[0], \ - Y##_f[3], Y##_f[2], Y##_f[1], Y##_f[0]) - -#define _FP_FRAC_ADDI_4(X,I) \ - __FP_FRAC_ADDI_4(X##_f[3], X##_f[2], X##_f[1], X##_f[0], I) - -#define _FP_ZEROFRAC_4 0,0,0,0 -#define _FP_MINFRAC_4 0,0,0,1 - -#define _FP_FRAC_ZEROP_4(X) ((X##_f[0] | X##_f[1] | X##_f[2] | X##_f[3]) == 0) -#define _FP_FRAC_NEGP_4(X) ((_FP_WS_TYPE)X##_f[3] < 0) -#define _FP_FRAC_OVERP_4(fs,X) (X##_f[0] & _FP_OVERFLOW_##fs) - -#define _FP_FRAC_EQ_4(X,Y) \ - (X##_f[0] == Y##_f[0] && X##_f[1] == Y##_f[1] \ - && X##_f[2] == Y##_f[2] && X##_f[3] == Y##_f[3]) - -#define _FP_FRAC_GT_4(X,Y) \ - (X##_f[3] > Y##_f[3] || \ - (X##_f[3] == Y##_f[3] && (X##_f[2] > Y##_f[2] || \ - (X##_f[2] == Y##_f[2] && (X##_f[1] > Y##_f[1] || \ - (X##_f[1] == Y##_f[1] && X##_f[0] > Y##_f[0]) \ - )) \ - )) \ - ) - -#define _FP_FRAC_GE_4(X,Y) \ - (X##_f[3] > Y##_f[3] || \ - (X##_f[3] == Y##_f[3] && (X##_f[2] > Y##_f[2] || \ - (X##_f[2] == Y##_f[2] && (X##_f[1] > Y##_f[1] || \ - (X##_f[1] == Y##_f[1] && X##_f[0] >= Y##_f[0]) \ - )) \ - )) \ - ) - - -#define _FP_FRAC_CLZ_4(R,X) \ - do { \ - if (X##_f[3]) \ - { \ - __FP_CLZ(R,X##_f[3]); \ - } \ - else if (X##_f[2]) \ - { \ - __FP_CLZ(R,X##_f[2]); \ - R += _FP_W_TYPE_SIZE; \ - } \ - else if (X##_f[1]) \ - { \ - __FP_CLZ(R,X##_f[2]); \ - R += _FP_W_TYPE_SIZE*2; \ - } \ - else \ - { \ - __FP_CLZ(R,X##_f[0]); \ - R += _FP_W_TYPE_SIZE*3; \ - } \ - } while(0) - - -#define _FP_UNPACK_RAW_4(fs, X, val) \ - do { \ - union _FP_UNION_##fs _flo; _flo.flt = (val); \ - X##_f[0] = _flo.bits.frac0; \ - X##_f[1] = _flo.bits.frac1; \ - X##_f[2] = _flo.bits.frac2; \ - X##_f[3] = _flo.bits.frac3; \ - X##_e = _flo.bits.exp; \ - X##_s = _flo.bits.sign; \ - } while (0) - -#define _FP_PACK_RAW_4(fs, val, X) \ - do { \ - union _FP_UNION_##fs _flo; \ - _flo.bits.frac0 = X##_f[0]; \ - _flo.bits.frac1 = X##_f[1]; \ - _flo.bits.frac2 = X##_f[2]; \ - _flo.bits.frac3 = X##_f[3]; \ - _flo.bits.exp = X##_e; \ - _flo.bits.sign = X##_s; \ - (val) = _flo.flt; \ - } while (0) - - -/* - * Internals - */ - -#define __FP_FRAC_SET_4(X,I3,I2,I1,I0) \ - (X##_f[3] = I3, X##_f[2] = I2, X##_f[1] = I1, X##_f[0] = I0) - -#ifndef __FP_FRAC_ADD_4 -#define __FP_FRAC_ADD_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \ - do { \ - int _c1, _c2, _c3; \ - r0 = x0 + y0; \ - _c1 = r0 < x0; \ - r1 = x1 + y1; \ - _c2 = r1 < x1; \ - r1 += _c1; \ - _c2 |= r1 < _c1; \ - r2 = x2 + y2; \ - _c3 = r2 < x2; \ - r2 += _c2; \ - _c3 |= r2 < _c2; \ - r3 = x3 + y3 + _c3; \ - } while (0) -#endif - -#ifndef __FP_FRAC_SUB_4 -#define __FP_FRAC_SUB_4(r3,r2,r1,r0,x3,x2,x1,x0,y3,y2,y1,y0) \ - do { \ - int _c1, _c2, _c3; \ - r0 = x0 - y0; \ - _c1 = r0 > x0; \ - r1 = x1 - y1; \ - _c2 = r1 > x1; \ - r1 -= _c1; \ - _c2 |= r1 > _c1; \ - r2 = x2 - y2; \ - _c3 = r2 > x2; \ - r2 -= _c2; \ - _c3 |= r2 > _c2; \ - r3 = x3 - y3 - _c3; \ - } while (0) -#endif - -#ifndef __FP_FRAC_ADDI_4 -/* I always wanted to be a lisp programmer :-> */ -#define __FP_FRAC_ADDI_4(x3,x2,x1,x0,i) \ - (x3 += ((x2 += ((x1 += ((x0 += i) < x0)) < x1) < x2))) -#endif - -/* Convert FP values between word sizes. This appears to be more - * complicated than I'd have expected it to be, so these might be - * wrong... These macros are in any case somewhat bogus because they - * use information about what various FRAC_n variables look like - * internally [eg, that 2 word vars are X_f0 and x_f1]. But so do - * the ones in op-2.h and op-1.h. - */ -#define _FP_FRAC_CONV_1_4(dfs, sfs, D, S) \ - do { \ - _FP_FRAC_SRS_4(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs), \ - _FP_WFRACBITS_##sfs); \ - D##_f = S##_f[0]; \ - } while (0) - -#define _FP_FRAC_CONV_2_4(dfs, sfs, D, S) \ - do { \ - _FP_FRAC_SRS_4(S, (_FP_WFRACBITS_##sfs - _FP_WFRACBITS_##dfs), \ - _FP_WFRACBITS_##sfs); \ - D##_f0 = S##_f[0]; \ - D##_f1 = S##_f[1]; \ - } while (0) - -/* Assembly/disassembly for converting to/from integral types. - * No shifting or overflow handled here. - */ -/* Put the FP value X into r, which is an integer of size rsize. */ -#define _FP_FRAC_ASSEMBLE_4(r, X, rsize) \ - do { \ - if (rsize <= _FP_W_TYPE_SIZE) \ - r = X##_f[0]; \ - else if (rsize <= 2*_FP_W_TYPE_SIZE) \ - { \ - r = X##_f[1]; \ - r <<= _FP_W_TYPE_SIZE; \ - r += X##_f[0]; \ - } \ - else \ - { \ - /* I'm feeling lazy so we deal with int == 3words (implausible)*/ \ - /* and int == 4words as a single case. */ \ - r = X##_f[3]; \ - r <<= _FP_W_TYPE_SIZE; \ - r += X##_f[2]; \ - r <<= _FP_W_TYPE_SIZE; \ - r += X##_f[1]; \ - r <<= _FP_W_TYPE_SIZE; \ - r += X##_f[0]; \ - } \ - } while (0) - -/* "No disassemble Number Five!" */ -/* move an integer of size rsize into X's fractional part. We rely on - * the _f[] array consisting of words of size _FP_W_TYPE_SIZE to avoid - * having to mask the values we store into it. - */ -#define _FP_FRAC_DISASSEMBLE_4(X, r, rsize) \ - do { \ - X##_f[0] = r; \ - X##_f[1] = (rsize <= _FP_W_TYPE_SIZE ? 0 : r >> _FP_W_TYPE_SIZE); \ - X##_f[2] = (rsize <= 2*_FP_W_TYPE_SIZE ? 0 : r >> 2*_FP_W_TYPE_SIZE); \ - X##_f[3] = (rsize <= 3*_FP_W_TYPE_SIZE ? 0 : r >> 3*_FP_W_TYPE_SIZE); \ - } while (0) - -#define _FP_FRAC_CONV_4_1(dfs, sfs, D, S) \ - do { \ - D##_f[0] = S##_f; \ - D##_f[1] = D##_f[2] = D##_f[3] = 0; \ - _FP_FRAC_SLL_4(D, (_FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs)); \ - } while (0) - -#define _FP_FRAC_CONV_4_2(dfs, sfs, D, S) \ - do { \ - D##_f[0] = S##_f0; \ - D##_f[1] = S##_f1; \ - D##_f[2] = D##_f[3] = 0; \ - _FP_FRAC_SLL_4(D, (_FP_WFRACBITS_##dfs - _FP_WFRACBITS_##sfs)); \ - } while (0) - -/* FIXME! This has to be written */ -#define _FP_SQRT_MEAT_4(R, S, T, X, q) diff --git a/arch/powerpc/math-emu/op-common.h b/arch/powerpc/math-emu/op-common.h deleted file mode 100644 index afb82b6498c..00000000000 --- a/arch/powerpc/math-emu/op-common.h +++ /dev/null @@ -1,688 +0,0 @@ -#define _FP_DECL(wc, X) \ - _FP_I_TYPE X##_c, X##_s, X##_e; \ - _FP_FRAC_DECL_##wc(X) - -/* - * Finish truely unpacking a native fp value by classifying the kind - * of fp value and normalizing both the exponent and the fraction. - */ - -#define _FP_UNPACK_CANONICAL(fs, wc, X) \ -do { \ - switch (X##_e) \ - { \ - default: \ - _FP_FRAC_HIGH_##wc(X) |= _FP_IMPLBIT_##fs; \ - _FP_FRAC_SLL_##wc(X, _FP_WORKBITS); \ - X##_e -= _FP_EXPBIAS_##fs; \ - X##_c = FP_CLS_NORMAL; \ - break; \ - \ - case 0: \ - if (_FP_FRAC_ZEROP_##wc(X)) \ - X##_c = FP_CLS_ZERO; \ - else \ - { \ - /* a denormalized number */ \ - _FP_I_TYPE _shift; \ - _FP_FRAC_CLZ_##wc(_shift, X); \ - _shift -= _FP_FRACXBITS_##fs; \ - _FP_FRAC_SLL_##wc(X, (_shift+_FP_WORKBITS)); \ - X##_e -= _FP_EXPBIAS_##fs - 1 + _shift; \ - X##_c = FP_CLS_NORMAL; \ - } \ - break; \ - \ - case _FP_EXPMAX_##fs: \ - if (_FP_FRAC_ZEROP_##wc(X)) \ - X##_c = FP_CLS_INF; \ - else \ - /* we don't differentiate between signaling and quiet nans */ \ - X##_c = FP_CLS_NAN; \ - break; \ - } \ -} while (0) - - -/* - * Before packing the bits back into the native fp result, take care - * of such mundane things as rounding and overflow. Also, for some - * kinds of fp values, the original parts may not have been fully - * extracted -- but that is ok, we can regenerate them now. - */ - -#define _FP_PACK_CANONICAL(fs, wc, X) \ -({int __ret = 0; \ - switch (X##_c) \ - { \ - case FP_CLS_NORMAL: \ - X##_e += _FP_EXPBIAS_##fs; \ - if (X##_e > 0) \ - { \ - __ret |= _FP_ROUND(wc, X); \ - if (_FP_FRAC_OVERP_##wc(fs, X)) \ - { \ - _FP_FRAC_SRL_##wc(X, (_FP_WORKBITS+1)); \ - X##_e++; \ - } \ - else \ - _FP_FRAC_SRL_##wc(X, _FP_WORKBITS); \ - if (X##_e >= _FP_EXPMAX_##fs) \ - { \ - /* overflow to infinity */ \ - X##_e = _FP_EXPMAX_##fs; \ - _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - __ret |= EFLAG_OVERFLOW; \ - } \ - } \ - else \ - { \ - /* we've got a denormalized number */ \ - X##_e = -X##_e + 1; \ - if (X##_e <= _FP_WFRACBITS_##fs) \ - { \ - _FP_FRAC_SRS_##wc(X, X##_e, _FP_WFRACBITS_##fs); \ - _FP_FRAC_SLL_##wc(X, 1); \ - if (_FP_FRAC_OVERP_##wc(fs, X)) \ - { \ - X##_e = 1; \ - _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - } \ - else \ - { \ - X##_e = 0; \ - _FP_FRAC_SRL_##wc(X, _FP_WORKBITS+1); \ - __ret |= EFLAG_UNDERFLOW; \ - } \ - } \ - else \ - { \ - /* underflow to zero */ \ - X##_e = 0; \ - _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - __ret |= EFLAG_UNDERFLOW; \ - } \ - } \ - break; \ - \ - case FP_CLS_ZERO: \ - X##_e = 0; \ - _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - break; \ - \ - case FP_CLS_INF: \ - X##_e = _FP_EXPMAX_##fs; \ - _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - break; \ - \ - case FP_CLS_NAN: \ - X##_e = _FP_EXPMAX_##fs; \ - if (!_FP_KEEPNANFRACP) \ - { \ - _FP_FRAC_SET_##wc(X, _FP_NANFRAC_##fs); \ - X##_s = 0; \ - } \ - else \ - _FP_FRAC_HIGH_##wc(X) |= _FP_QNANBIT_##fs; \ - break; \ - } \ - __ret; \ -}) - - -/* - * Main addition routine. The input values should be cooked. - */ - -#define _FP_ADD(fs, wc, R, X, Y) \ -do { \ - switch (_FP_CLS_COMBINE(X##_c, Y##_c)) \ - { \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NORMAL): \ - { \ - /* shift the smaller number so that its exponent matches the larger */ \ - _FP_I_TYPE diff = X##_e - Y##_e; \ - \ - if (diff < 0) \ - { \ - diff = -diff; \ - if (diff <= _FP_WFRACBITS_##fs) \ - _FP_FRAC_SRS_##wc(X, diff, _FP_WFRACBITS_##fs); \ - else if (!_FP_FRAC_ZEROP_##wc(X)) \ - _FP_FRAC_SET_##wc(X, _FP_MINFRAC_##wc); \ - else \ - _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - R##_e = Y##_e; \ - } \ - else \ - { \ - if (diff > 0) \ - { \ - if (diff <= _FP_WFRACBITS_##fs) \ - _FP_FRAC_SRS_##wc(Y, diff, _FP_WFRACBITS_##fs); \ - else if (!_FP_FRAC_ZEROP_##wc(Y)) \ - _FP_FRAC_SET_##wc(Y, _FP_MINFRAC_##wc); \ - else \ - _FP_FRAC_SET_##wc(Y, _FP_ZEROFRAC_##wc); \ - } \ - R##_e = X##_e; \ - } \ - \ - R##_c = FP_CLS_NORMAL; \ - \ - if (X##_s == Y##_s) \ - { \ - R##_s = X##_s; \ - _FP_FRAC_ADD_##wc(R, X, Y); \ - if (_FP_FRAC_OVERP_##wc(fs, R)) \ - { \ - _FP_FRAC_SRS_##wc(R, 1, _FP_WFRACBITS_##fs); \ - R##_e++; \ - } \ - } \ - else \ - { \ - R##_s = X##_s; \ - _FP_FRAC_SUB_##wc(R, X, Y); \ - if (_FP_FRAC_ZEROP_##wc(R)) \ - { \ - /* return an exact zero */ \ - if (FP_ROUNDMODE == FP_RND_MINF) \ - R##_s |= Y##_s; \ - else \ - R##_s &= Y##_s; \ - R##_c = FP_CLS_ZERO; \ - } \ - else \ - { \ - if (_FP_FRAC_NEGP_##wc(R)) \ - { \ - _FP_FRAC_SUB_##wc(R, Y, X); \ - R##_s = Y##_s; \ - } \ - \ - /* renormalize after subtraction */ \ - _FP_FRAC_CLZ_##wc(diff, R); \ - diff -= _FP_WFRACXBITS_##fs; \ - if (diff) \ - { \ - R##_e -= diff; \ - _FP_FRAC_SLL_##wc(R, diff); \ - } \ - } \ - } \ - break; \ - } \ - \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NAN): \ - _FP_CHOOSENAN(fs, wc, R, X, Y); \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO): \ - R##_e = X##_e; \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL): \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO): \ - _FP_FRAC_COPY_##wc(R, X); \ - R##_s = X##_s; \ - R##_c = X##_c; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL): \ - R##_e = Y##_e; \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN): \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN): \ - _FP_FRAC_COPY_##wc(R, Y); \ - R##_s = Y##_s; \ - R##_c = Y##_c; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF): \ - if (X##_s != Y##_s) \ - { \ - /* +INF + -INF => NAN */ \ - _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \ - R##_s = X##_s ^ Y##_s; \ - R##_c = FP_CLS_NAN; \ - break; \ - } \ - /* FALLTHRU */ \ - \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL): \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO): \ - R##_s = X##_s; \ - R##_c = FP_CLS_INF; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_INF): \ - R##_s = Y##_s; \ - R##_c = FP_CLS_INF; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \ - /* make sure the sign is correct */ \ - if (FP_ROUNDMODE == FP_RND_MINF) \ - R##_s = X##_s | Y##_s; \ - else \ - R##_s = X##_s & Y##_s; \ - R##_c = FP_CLS_ZERO; \ - break; \ - \ - default: \ - abort(); \ - } \ -} while (0) - - -/* - * Main negation routine. FIXME -- when we care about setting exception - * bits reliably, this will not do. We should examine all of the fp classes. - */ - -#define _FP_NEG(fs, wc, R, X) \ - do { \ - _FP_FRAC_COPY_##wc(R, X); \ - R##_c = X##_c; \ - R##_e = X##_e; \ - R##_s = 1 ^ X##_s; \ - } while (0) - - -/* - * Main multiplication routine. The input values should be cooked. - */ - -#define _FP_MUL(fs, wc, R, X, Y) \ -do { \ - R##_s = X##_s ^ Y##_s; \ - switch (_FP_CLS_COMBINE(X##_c, Y##_c)) \ - { \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NORMAL): \ - R##_c = FP_CLS_NORMAL; \ - R##_e = X##_e + Y##_e + 1; \ - \ - _FP_MUL_MEAT_##fs(R,X,Y); \ - \ - if (_FP_FRAC_OVERP_##wc(fs, R)) \ - _FP_FRAC_SRS_##wc(R, 1, _FP_WFRACBITS_##fs); \ - else \ - R##_e--; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NAN): \ - _FP_CHOOSENAN(fs, wc, R, X, Y); \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL): \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO): \ - R##_s = X##_s; \ - \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \ - _FP_FRAC_COPY_##wc(R, X); \ - R##_c = X##_c; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN): \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN): \ - R##_s = Y##_s; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO): \ - _FP_FRAC_COPY_##wc(R, Y); \ - R##_c = Y##_c; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_INF): \ - R##_c = FP_CLS_NAN; \ - _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \ - break; \ - \ - default: \ - abort(); \ - } \ -} while (0) - - -/* - * Main division routine. The input values should be cooked. - */ - -#define _FP_DIV(fs, wc, R, X, Y) \ -do { \ - R##_s = X##_s ^ Y##_s; \ - switch (_FP_CLS_COMBINE(X##_c, Y##_c)) \ - { \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NORMAL): \ - R##_c = FP_CLS_NORMAL; \ - R##_e = X##_e - Y##_e; \ - \ - _FP_DIV_MEAT_##fs(R,X,Y); \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NAN): \ - _FP_CHOOSENAN(fs, wc, R, X, Y); \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_NORMAL): \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_NAN,FP_CLS_ZERO): \ - R##_s = X##_s; \ - _FP_FRAC_COPY_##wc(R, X); \ - R##_c = X##_c; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_NAN): \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NAN): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NAN): \ - R##_s = Y##_s; \ - _FP_FRAC_COPY_##wc(R, Y); \ - R##_c = Y##_c; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_NORMAL): \ - R##_c = FP_CLS_ZERO; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_NORMAL,FP_CLS_ZERO): \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_ZERO): \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_NORMAL): \ - R##_c = FP_CLS_INF; \ - break; \ - \ - case _FP_CLS_COMBINE(FP_CLS_INF,FP_CLS_INF): \ - case _FP_CLS_COMBINE(FP_CLS_ZERO,FP_CLS_ZERO): \ - R##_c = FP_CLS_NAN; \ - _FP_FRAC_SET_##wc(R, _FP_NANFRAC_##fs); \ - break; \ - \ - default: \ - abort(); \ - } \ -} while (0) - - -/* - * Main differential comparison routine. The inputs should be raw not - * cooked. The return is -1,0,1 for normal values, 2 otherwise. - */ - -#define _FP_CMP(fs, wc, ret, X, Y, un) \ - do { \ - /* NANs are unordered */ \ - if ((X##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(X)) \ - || (Y##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(Y))) \ - { \ - ret = un; \ - } \ - else \ - { \ - int __x_zero = (!X##_e && _FP_FRAC_ZEROP_##wc(X)) ? 1 : 0; \ - int __y_zero = (!Y##_e && _FP_FRAC_ZEROP_##wc(Y)) ? 1 : 0; \ - \ - if (__x_zero && __y_zero) \ - ret = 0; \ - else if (__x_zero) \ - ret = Y##_s ? 1 : -1; \ - else if (__y_zero) \ - ret = X##_s ? -1 : 1; \ - else if (X##_s != Y##_s) \ - ret = X##_s ? -1 : 1; \ - else if (X##_e > Y##_e) \ - ret = X##_s ? -1 : 1; \ - else if (X##_e < Y##_e) \ - ret = X##_s ? 1 : -1; \ - else if (_FP_FRAC_GT_##wc(X, Y)) \ - ret = X##_s ? -1 : 1; \ - else if (_FP_FRAC_GT_##wc(Y, X)) \ - ret = X##_s ? 1 : -1; \ - else \ - ret = 0; \ - } \ - } while (0) - - -/* Simplification for strict equality. */ - -#define _FP_CMP_EQ(fs, wc, ret, X, Y) \ - do { \ - /* NANs are unordered */ \ - if ((X##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(X)) \ - || (Y##_e == _FP_EXPMAX_##fs && !_FP_FRAC_ZEROP_##wc(Y))) \ - { \ - ret = 1; \ - } \ - else \ - { \ - ret = !(X##_e == Y##_e \ - && _FP_FRAC_EQ_##wc(X, Y) \ - && (X##_s == Y##_s || !X##_e && _FP_FRAC_ZEROP_##wc(X))); \ - } \ - } while (0) - -/* - * Main square root routine. The input value should be cooked. - */ - -#define _FP_SQRT(fs, wc, R, X) \ -do { \ - _FP_FRAC_DECL_##wc(T); _FP_FRAC_DECL_##wc(S); \ - _FP_W_TYPE q; \ - switch (X##_c) \ - { \ - case FP_CLS_NAN: \ - R##_s = 0; \ - R##_c = FP_CLS_NAN; \ - _FP_FRAC_SET_##wc(X, _FP_ZEROFRAC_##wc); \ - break; \ - case FP_CLS_INF: \ - if (X##_s) \ - { \ - R##_s = 0; \ - R##_c = FP_CLS_NAN; /* sNAN */ \ - } \ - else \ - { \ - R##_s = 0; \ - R##_c = FP_CLS_INF; /* sqrt(+inf) = +inf */ \ - } \ - break; \ - case FP_CLS_ZERO: \ - R##_s = X##_s; \ - R##_c = FP_CLS_ZERO; /* sqrt(+-0) = +-0 */ \ - break; \ - case FP_CLS_NORMAL: \ - R##_s = 0; \ - if (X##_s) \ - { \ - R##_c = FP_CLS_NAN; /* sNAN */ \ - break; \ - } \ - R##_c = FP_CLS_NORMAL; \ - if (X##_e & 1) \ - _FP_FRAC_SLL_##wc(X, 1); \ - R##_e = X##_e >> 1; \ - _FP_FRAC_SET_##wc(S, _FP_ZEROFRAC_##wc); \ - _FP_FRAC_SET_##wc(R, _FP_ZEROFRAC_##wc); \ - q = _FP_OVERFLOW_##fs; \ - _FP_FRAC_SLL_##wc(X, 1); \ - _FP_SQRT_MEAT_##wc(R, S, T, X, q); \ - _FP_FRAC_SRL_##wc(R, 1); \ - } \ - } while (0) - -/* - * Convert from FP to integer - */ - -/* "When a NaN, infinity, large positive argument >= 2147483648.0, or - * large negative argument <= -2147483649.0 is converted to an integer, - * the invalid_current bit...should be set and fp_exception_IEEE_754 should - * be raised. If the floating point invalid trap is disabled, no trap occurs - * and a numerical result is generated: if the sign bit of the operand - * is 0, the result is 2147483647; if the sign bit of the operand is 1, - * the result is -2147483648." - * Similarly for conversion to extended ints, except that the boundaries - * are >= 2^63, <= -(2^63 + 1), and the results are 2^63 + 1 for s=0 and - * -2^63 for s=1. - * -- SPARC Architecture Manual V9, Appendix B, which specifies how - * SPARCs resolve implementation dependencies in the IEEE-754 spec. - * I don't believe that the code below follows this. I'm not even sure - * it's right! - * It doesn't cope with needing to convert to an n bit integer when there - * is no n bit integer type. Fortunately gcc provides long long so this - * isn't a problem for sparc32. - * I have, however, fixed its NaN handling to conform as above. - * -- PMM 02/1998 - * NB: rsigned is not 'is r declared signed?' but 'should the value stored - * in r be signed or unsigned?'. r is always(?) declared unsigned. - * Comments below are mine, BTW -- PMM - */ -#define _FP_TO_INT(fs, wc, r, X, rsize, rsigned) \ - do { \ - switch (X##_c) \ - { \ - case FP_CLS_NORMAL: \ - if (X##_e < 0) \ - { \ - /* case FP_CLS_NAN: see above! */ \ - case FP_CLS_ZERO: \ - r = 0; \ - } \ - else if (X##_e >= rsize - (rsigned != 0)) \ - { /* overflow */ \ - case FP_CLS_NAN: \ - case FP_CLS_INF: \ - if (rsigned) \ - { \ - r = 1; \ - r <<= rsize - 1; \ - r -= 1 - X##_s; \ - } \ - else \ - { \ - r = 0; \ - if (!X##_s) \ - r = ~r; \ - } \ - } \ - else \ - { \ - if (_FP_W_TYPE_SIZE*wc < rsize) \ - { \ - _FP_FRAC_ASSEMBLE_##wc(r, X, rsize); \ - r <<= X##_e - _FP_WFRACBITS_##fs; \ - } \ - else \ - { \ - if (X##_e >= _FP_WFRACBITS_##fs) \ - _FP_FRAC_SLL_##wc(X, (X##_e - _FP_WFRACBITS_##fs + 1));\ - else \ - _FP_FRAC_SRL_##wc(X, (_FP_WFRACBITS_##fs - X##_e - 1));\ - _FP_FRAC_ASSEMBLE_##wc(r, X, rsize); \ - } \ - if (rsigned && X##_s) \ - r = -r; \ - } \ - break; \ - } \ - } while (0) - -#define _FP_FROM_INT(fs, wc, X, r, rsize, rtype) \ - do { \ - if (r) \ - { \ - X##_c = FP_CLS_NORMAL; \ - \ - if ((X##_s = (r < 0))) \ - r = -r; \ - /* Note that `r' is now considered unsigned, so we don't have \ - to worry about the single signed overflow case. */ \ - \ - if (rsize <= _FP_W_TYPE_SIZE) \ - __FP_CLZ(X##_e, r); \ - else \ - __FP_CLZ_2(X##_e, (_FP_W_TYPE)(r >> _FP_W_TYPE_SIZE), \ - (_FP_W_TYPE)r); \ - if (rsize < _FP_W_TYPE_SIZE) \ - X##_e -= (_FP_W_TYPE_SIZE - rsize); \ - X##_e = rsize - X##_e - 1; \ - \ - if (_FP_FRACBITS_##fs < rsize && _FP_WFRACBITS_##fs < X##_e) \ - __FP_FRAC_SRS_1(r, (X##_e - _FP_WFRACBITS_##fs), rsize); \ - r &= ~((_FP_W_TYPE)1 << X##_e); \ - _FP_FRAC_DISASSEMBLE_##wc(X, ((unsigned rtype)r), rsize); \ - _FP_FRAC_SLL_##wc(X, (_FP_WFRACBITS_##fs - X##_e - 1)); \ - } \ - else \ - { \ - X##_c = FP_CLS_ZERO, X##_s = 0; \ - } \ - } while (0) - - -#define FP_CONV(dfs,sfs,dwc,swc,D,S) \ - do { \ - _FP_FRAC_CONV_##dwc##_##swc(dfs, sfs, D, S); \ - D##_e = S##_e; \ - D##_c = S##_c; \ - D##_s = S##_s; \ - } while (0) - -/* - * Helper primitives. - */ - -/* Count leading zeros in a word. */ - -#ifndef __FP_CLZ -#if _FP_W_TYPE_SIZE < 64 -/* this is just to shut the compiler up about shifts > word length -- PMM 02/1998 */ -#define __FP_CLZ(r, x) \ - do { \ - _FP_W_TYPE _t = (x); \ - r = _FP_W_TYPE_SIZE - 1; \ - if (_t > 0xffff) r -= 16; \ - if (_t > 0xffff) _t >>= 16; \ - if (_t > 0xff) r -= 8; \ - if (_t > 0xff) _t >>= 8; \ - if (_t & 0xf0) r -= 4; \ - if (_t & 0xf0) _t >>= 4; \ - if (_t & 0xc) r -= 2; \ - if (_t & 0xc) _t >>= 2; \ - if (_t & 0x2) r -= 1; \ - } while (0) -#else /* not _FP_W_TYPE_SIZE < 64 */ -#define __FP_CLZ(r, x) \ - do { \ - _FP_W_TYPE _t = (x); \ - r = _FP_W_TYPE_SIZE - 1; \ - if (_t > 0xffffffff) r -= 32; \ - if (_t > 0xffffffff) _t >>= 32; \ - if (_t > 0xffff) r -= 16; \ - if (_t > 0xffff) _t >>= 16; \ - if (_t > 0xff) r -= 8; \ - if (_t > 0xff) _t >>= 8; \ - if (_t & 0xf0) r -= 4; \ - if (_t & 0xf0) _t >>= 4; \ - if (_t & 0xc) r -= 2; \ - if (_t & 0xc) _t >>= 2; \ - if (_t & 0x2) r -= 1; \ - } while (0) -#endif /* not _FP_W_TYPE_SIZE < 64 */ -#endif /* ndef __FP_CLZ */ - -#define _FP_DIV_HELP_imm(q, r, n, d) \ - do { \ - q = n / d, r = n % d; \ - } while (0) - diff --git a/arch/powerpc/math-emu/single.h b/arch/powerpc/math-emu/single.h deleted file mode 100644 index f19d9945181..00000000000 --- a/arch/powerpc/math-emu/single.h +++ /dev/null @@ -1,66 +0,0 @@ -/* - * Definitions for IEEE Single Precision - */ - -#if _FP_W_TYPE_SIZE < 32 -#error "Here's a nickel kid. Go buy yourself a real computer." -#endif - -#define _FP_FRACBITS_S 24 -#define _FP_FRACXBITS_S (_FP_W_TYPE_SIZE - _FP_FRACBITS_S) -#define _FP_WFRACBITS_S (_FP_WORKBITS + _FP_FRACBITS_S) -#define _FP_WFRACXBITS_S (_FP_W_TYPE_SIZE - _FP_WFRACBITS_S) -#define _FP_EXPBITS_S 8 -#define _FP_EXPBIAS_S 127 -#define _FP_EXPMAX_S 255 -#define _FP_QNANBIT_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-2)) -#define _FP_IMPLBIT_S ((_FP_W_TYPE)1 << (_FP_FRACBITS_S-1)) -#define _FP_OVERFLOW_S ((_FP_W_TYPE)1 << (_FP_WFRACBITS_S)) - -/* The implementation of _FP_MUL_MEAT_S and _FP_DIV_MEAT_S should be - chosen by the target machine. */ - -union _FP_UNION_S -{ - float flt; - struct { -#if __BYTE_ORDER == __BIG_ENDIAN - unsigned sign : 1; - unsigned exp : _FP_EXPBITS_S; - unsigned frac : _FP_FRACBITS_S - (_FP_IMPLBIT_S != 0); -#else - unsigned frac : _FP_FRACBITS_S - (_FP_IMPLBIT_S != 0); - unsigned exp : _FP_EXPBITS_S; - unsigned sign : 1; -#endif - } bits __attribute__((packed)); -}; - -#define FP_DECL_S(X) _FP_DECL(1,X) -#define FP_UNPACK_RAW_S(X,val) _FP_UNPACK_RAW_1(S,X,val) -#define FP_PACK_RAW_S(val,X) _FP_PACK_RAW_1(S,val,X) - -#define FP_UNPACK_S(X,val) \ - do { \ - _FP_UNPACK_RAW_1(S,X,val); \ - _FP_UNPACK_CANONICAL(S,1,X); \ - } while (0) - -#define FP_PACK_S(val,X) \ - do { \ - _FP_PACK_CANONICAL(S,1,X); \ - _FP_PACK_RAW_1(S,val,X); \ - } while (0) - -#define FP_NEG_S(R,X) _FP_NEG(S,1,R,X) -#define FP_ADD_S(R,X,Y) _FP_ADD(S,1,R,X,Y) -#define FP_SUB_S(R,X,Y) _FP_SUB(S,1,R,X,Y) -#define FP_MUL_S(R,X,Y) _FP_MUL(S,1,R,X,Y) -#define FP_DIV_S(R,X,Y) _FP_DIV(S,1,R,X,Y) -#define FP_SQRT_S(R,X) _FP_SQRT(S,1,R,X) - -#define FP_CMP_S(r,X,Y,un) _FP_CMP(S,1,r,X,Y,un) -#define FP_CMP_EQ_S(r,X,Y) _FP_CMP_EQ(S,1,r,X,Y) - -#define FP_TO_INT_S(r,X,rsz,rsg) _FP_TO_INT(S,1,r,X,rsz,rsg) -#define FP_FROM_INT_S(X,r,rs,rt) _FP_FROM_INT(S,1,X,r,rs,rt) diff --git a/arch/powerpc/math-emu/soft-fp.h b/arch/powerpc/math-emu/soft-fp.h deleted file mode 100644 index cca39598f87..00000000000 --- a/arch/powerpc/math-emu/soft-fp.h +++ /dev/null @@ -1,104 +0,0 @@ -#ifndef SOFT_FP_H -#define SOFT_FP_H - -#include "sfp-machine.h" - -#define _FP_WORKBITS 3 -#define _FP_WORK_LSB ((_FP_W_TYPE)1 << 3) -#define _FP_WORK_ROUND ((_FP_W_TYPE)1 << 2) -#define _FP_WORK_GUARD ((_FP_W_TYPE)1 << 1) -#define _FP_WORK_STICKY ((_FP_W_TYPE)1 << 0) - -#ifndef FP_RND_NEAREST -# define FP_RND_NEAREST 0 -# define FP_RND_ZERO 1 -# define FP_RND_PINF 2 -# define FP_RND_MINF 3 -#ifndef FP_ROUNDMODE -# define FP_ROUNDMODE FP_RND_NEAREST -#endif -#endif - -#define _FP_ROUND_NEAREST(wc, X) \ -({ int __ret = 0; \ - int __frac = _FP_FRAC_LOW_##wc(X) & 15; \ - if (__frac & 7) { \ - __ret = EFLAG_INEXACT; \ - if ((__frac & 7) != _FP_WORK_ROUND) \ - _FP_FRAC_ADDI_##wc(X, _FP_WORK_ROUND); \ - else if (__frac & _FP_WORK_LSB) \ - _FP_FRAC_ADDI_##wc(X, _FP_WORK_ROUND); \ - } \ - __ret; \ -}) - -#define _FP_ROUND_ZERO(wc, X) \ -({ int __ret = 0; \ - if (_FP_FRAC_LOW_##wc(X) & 7) \ - __ret = EFLAG_INEXACT; \ - __ret; \ -}) - -#define _FP_ROUND_PINF(wc, X) \ -({ int __ret = EFLAG_INEXACT; \ - if (!X##_s && (_FP_FRAC_LOW_##wc(X) & 7)) \ - _FP_FRAC_ADDI_##wc(X, _FP_WORK_LSB); \ - else __ret = 0; \ - __ret; \ -}) - -#define _FP_ROUND_MINF(wc, X) \ -({ int __ret = EFLAG_INEXACT; \ - if (X##_s && (_FP_FRAC_LOW_##wc(X) & 7)) \ - _FP_FRAC_ADDI_##wc(X, _FP_WORK_LSB); \ - else __ret = 0; \ - __ret; \ -}) - -#define _FP_ROUND(wc, X) \ -({ int __ret = 0; \ - switch (FP_ROUNDMODE) \ - { \ - case FP_RND_NEAREST: \ - __ret |= _FP_ROUND_NEAREST(wc,X); \ - break; \ - case FP_RND_ZERO: \ - __ret |= _FP_ROUND_ZERO(wc,X); \ - break; \ - case FP_RND_PINF: \ - __ret |= _FP_ROUND_PINF(wc,X); \ - break; \ - case FP_RND_MINF: \ - __ret |= _FP_ROUND_MINF(wc,X); \ - break; \ - }; \ - __ret; \ -}) - -#define FP_CLS_NORMAL 0 -#define FP_CLS_ZERO 1 -#define FP_CLS_INF 2 -#define FP_CLS_NAN 3 - -#define _FP_CLS_COMBINE(x,y) (((x) << 2) | (y)) - -#include "op-1.h" -#include "op-2.h" -#include "op-4.h" -#include "op-common.h" - -/* Sigh. Silly things longlong.h needs. */ -#define UWtype _FP_W_TYPE -#define W_TYPE_SIZE _FP_W_TYPE_SIZE - -typedef int SItype __attribute__((mode(SI))); -typedef int DItype __attribute__((mode(DI))); -typedef unsigned int USItype __attribute__((mode(SI))); -typedef unsigned int UDItype __attribute__((mode(DI))); -#if _FP_W_TYPE_SIZE == 32 -typedef unsigned int UHWtype __attribute__((mode(HI))); -#elif _FP_W_TYPE_SIZE == 64 -typedef USItype UHWtype; -#endif - -#endif diff --git a/arch/powerpc/math-emu/stfs.c b/arch/powerpc/math-emu/stfs.c index 8689aa48ef6..6122147356d 100644 --- a/arch/powerpc/math-emu/stfs.c +++ b/arch/powerpc/math-emu/stfs.c @@ -2,23 +2,24 @@ #include <linux/errno.h> #include <asm/uaccess.h> -#include "soft-fp.h" -#include "double.h" -#include "single.h" +#include <asm/sfp-machine.h> +#include <math-emu/soft-fp.h> +#include <math-emu/double.h> +#include <math-emu/single.h> int stfs(void *frS, void *ea) { FP_DECL_D(A); FP_DECL_S(R); + FP_DECL_EX; float f; - int err; #ifdef DEBUG printk("%s: S %p, ea %p\n", __func__, frS, ea); #endif - __FP_UNPACK_D(A, frS); + FP_UNPACK_DP(A, frS); #ifdef DEBUG printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); @@ -30,12 +31,12 @@ stfs(void *frS, void *ea) printk("R: %ld %lu %ld (%ld)\n", R_s, R_f, R_e, R_c); #endif - err = _FP_PACK_CANONICAL(S, 1, R); - if (!err || !__FPU_TRAP_P(err)) { - __FP_PACK_RAW_1(S, &f, R); + _FP_PACK_CANONICAL(S, 1, R); + if (!FP_CUR_EXCEPTIONS || !__FPU_TRAP_P(FP_CUR_EXCEPTIONS)) { + _FP_PACK_RAW_1_P(S, &f, R); if (copy_to_user(ea, &f, sizeof(float))) return -EFAULT; } - return err; + return FP_CUR_EXCEPTIONS; } diff --git a/arch/powerpc/math-emu/types.c b/arch/powerpc/math-emu/types.c deleted file mode 100644 index e1ed15d829d..00000000000 --- a/arch/powerpc/math-emu/types.c +++ /dev/null @@ -1,51 +0,0 @@ -#include "soft-fp.h" -#include "double.h" -#include "single.h" - -void -fp_unpack_d(long *_s, unsigned long *_f1, unsigned long *_f0, - long *_e, long *_c, void *val) -{ - FP_DECL_D(X); - - __FP_UNPACK_RAW_2(D, X, val); - - _FP_UNPACK_CANONICAL(D, 2, X); - - *_s = X_s; - *_f1 = X_f1; - *_f0 = X_f0; - *_e = X_e; - *_c = X_c; -} - -int -fp_pack_d(void *val, long X_s, unsigned long X_f1, - unsigned long X_f0, long X_e, long X_c) -{ - int exc; - - exc = _FP_PACK_CANONICAL(D, 2, X); - if (!exc || !__FPU_TRAP_P(exc)) - __FP_PACK_RAW_2(D, val, X); - return exc; -} - -int -fp_pack_ds(void *val, long X_s, unsigned long X_f1, - unsigned long X_f0, long X_e, long X_c) -{ - FP_DECL_S(__X); - int exc; - - FP_CONV(S, D, 1, 2, __X, X); - exc = _FP_PACK_CANONICAL(S, 1, __X); - if (!exc || !__FPU_TRAP_P(exc)) { - _FP_UNPACK_CANONICAL(S, 1, __X); - FP_CONV(D, S, 2, 1, X, __X); - exc |= _FP_PACK_CANONICAL(D, 2, X); - if (!exc || !__FPU_TRAP_P(exc)) - __FP_PACK_RAW_2(D, val, X); - } - return exc; -} diff --git a/arch/powerpc/math-emu/udivmodti4.c b/arch/powerpc/math-emu/udivmodti4.c index 7e112dc1e2f..6172044ab00 100644 --- a/arch/powerpc/math-emu/udivmodti4.c +++ b/arch/powerpc/math-emu/udivmodti4.c @@ -1,6 +1,6 @@ /* This has so very few changes over libgcc2's __udivmoddi4 it isn't funny. */ -#include "soft-fp.h" +#include <math-emu/soft-fp.h> #undef count_leading_zeros #define count_leading_zeros __FP_CLZ |