From aeabbbbe126f3d5e61e2db07629443cd10932bb2 Mon Sep 17 00:00:00 2001 From: Nicolas Pitre Date: Wed, 8 Jun 2005 19:00:16 +0100 Subject: [PATCH] ARM: 2705/1: fix writesw for misaligned source pointer Patch from Nicolas Pitre Signed-off-by: Nicolas Pitre Signed-off-by: Russell King --- arch/arm/lib/io-writesw-armv4.S | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/arm/lib') diff --git a/arch/arm/lib/io-writesw-armv4.S b/arch/arm/lib/io-writesw-armv4.S index 6d1d7c27806..5e240e452af 100644 --- a/arch/arm/lib/io-writesw-armv4.S +++ b/arch/arm/lib/io-writesw-armv4.S @@ -87,9 +87,9 @@ ENTRY(__raw_writesw) subs r2, r2, #2 orr ip, ip, r3, push_hbyte1 strh ip, [r0] - bpl 2b + bpl 1b -3: tst r2, #1 -2: movne ip, r3, lsr #8 + tst r2, #1 +3: movne ip, r3, lsr #8 strneh ip, [r0] mov pc, lr -- cgit v1.2.3 From f29481c0e7e55efc25598c1a6c503015cfe45245 Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 20 Jun 2005 15:49:59 +0100 Subject: [PATCH] ARM: Remove gcc type-isms from GCC helper functions Convert ugly GCC types to Linux types: UQImode -> u8 SImode -> s32 USImode -> u32 DImode -> s64 UDImode -> u64 word_type -> int Signed-off-by: Russell King --- arch/arm/lib/ashldi3.c | 16 ++++++------ arch/arm/lib/ashrdi3.c | 14 +++++------ arch/arm/lib/gcclib.h | 17 +++++-------- arch/arm/lib/longlong.h | 66 ++++++++++++++++++++++++------------------------- arch/arm/lib/lshrdi3.c | 16 ++++++------ arch/arm/lib/muldi3.c | 18 +++++++------- arch/arm/lib/ucmpdi2.c | 12 ++++----- arch/arm/lib/udivdi3.c | 26 +++++++++---------- 8 files changed, 90 insertions(+), 95 deletions(-) (limited to 'arch/arm/lib') diff --git a/arch/arm/lib/ashldi3.c b/arch/arm/lib/ashldi3.c index 130f5a83966..02d2b628ebc 100644 --- a/arch/arm/lib/ashldi3.c +++ b/arch/arm/lib/ashldi3.c @@ -31,11 +31,11 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" -DItype -__ashldi3 (DItype u, word_type b) +s64 +__ashldi3 (s64 u, int b) { DIunion w; - word_type bm; + int bm; DIunion uu; if (b == 0) @@ -43,17 +43,17 @@ __ashldi3 (DItype u, word_type b) uu.ll = u; - bm = (sizeof (SItype) * BITS_PER_UNIT) - b; + bm = (sizeof (s32) * BITS_PER_UNIT) - b; if (bm <= 0) { w.s.low = 0; - w.s.high = (USItype)uu.s.low << -bm; + w.s.high = (u32)uu.s.low << -bm; } else { - USItype carries = (USItype)uu.s.low >> bm; - w.s.low = (USItype)uu.s.low << b; - w.s.high = ((USItype)uu.s.high << b) | carries; + u32 carries = (u32)uu.s.low >> bm; + w.s.low = (u32)uu.s.low << b; + w.s.high = ((u32)uu.s.high << b) | carries; } return w.ll; diff --git a/arch/arm/lib/ashrdi3.c b/arch/arm/lib/ashrdi3.c index 71625d218f8..89f6fb7ed8f 100644 --- a/arch/arm/lib/ashrdi3.c +++ b/arch/arm/lib/ashrdi3.c @@ -31,11 +31,11 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" -DItype -__ashrdi3 (DItype u, word_type b) +s64 +__ashrdi3 (s64 u, int b) { DIunion w; - word_type bm; + int bm; DIunion uu; if (b == 0) @@ -43,18 +43,18 @@ __ashrdi3 (DItype u, word_type b) uu.ll = u; - bm = (sizeof (SItype) * BITS_PER_UNIT) - b; + bm = (sizeof (s32) * BITS_PER_UNIT) - b; if (bm <= 0) { /* w.s.high = 1..1 or 0..0 */ - w.s.high = uu.s.high >> (sizeof (SItype) * BITS_PER_UNIT - 1); + w.s.high = uu.s.high >> (sizeof (s32) * BITS_PER_UNIT - 1); w.s.low = uu.s.high >> -bm; } else { - USItype carries = (USItype)uu.s.high << bm; + u32 carries = (u32)uu.s.high << bm; w.s.high = uu.s.high >> b; - w.s.low = ((USItype)uu.s.low >> b) | carries; + w.s.low = ((u32)uu.s.low >> b) | carries; } return w.ll; diff --git a/arch/arm/lib/gcclib.h b/arch/arm/lib/gcclib.h index 65314a3d9e2..283f5294cc3 100644 --- a/arch/arm/lib/gcclib.h +++ b/arch/arm/lib/gcclib.h @@ -1,25 +1,20 @@ /* gcclib.h -- definitions for various functions 'borrowed' from gcc-2.95.3 */ /* I Molton 29/07/01 */ -#define BITS_PER_UNIT 8 -#define SI_TYPE_SIZE (sizeof (SItype) * BITS_PER_UNIT) +#include -typedef unsigned int UQItype __attribute__ ((mode (QI))); -typedef int SItype __attribute__ ((mode (SI))); -typedef unsigned int USItype __attribute__ ((mode (SI))); -typedef int DItype __attribute__ ((mode (DI))); -typedef int word_type __attribute__ ((mode (__word__))); -typedef unsigned int UDItype __attribute__ ((mode (DI))); +#define BITS_PER_UNIT 8 +#define SI_TYPE_SIZE (sizeof(s32) * BITS_PER_UNIT) #ifdef __ARMEB__ - struct DIstruct {SItype high, low;}; + struct DIstruct {s32 high, low;}; #else - struct DIstruct {SItype low, high;}; + struct DIstruct {s32 low, high;}; #endif typedef union { struct DIstruct s; - DItype ll; + s64 ll; } DIunion; diff --git a/arch/arm/lib/longlong.h b/arch/arm/lib/longlong.h index 179eea4edc3..3ef76957481 100644 --- a/arch/arm/lib/longlong.h +++ b/arch/arm/lib/longlong.h @@ -26,18 +26,18 @@ #define __BITS4 (SI_TYPE_SIZE / 4) #define __ll_B (1L << (SI_TYPE_SIZE / 2)) -#define __ll_lowpart(t) ((USItype) (t) % __ll_B) -#define __ll_highpart(t) ((USItype) (t) / __ll_B) +#define __ll_lowpart(t) ((u32) (t) % __ll_B) +#define __ll_highpart(t) ((u32) (t) / __ll_B) /* Define auxiliary asm macros. 1) umul_ppmm(high_prod, low_prod, multipler, multiplicand) - multiplies two USItype integers MULTIPLER and MULTIPLICAND, - and generates a two-part USItype product in HIGH_PROD and + multiplies two u32 integers MULTIPLER and MULTIPLICAND, + and generates a two-part u32 product in HIGH_PROD and LOW_PROD. - 2) __umulsidi3(a,b) multiplies two USItype integers A and B, - and returns a UDItype product. This is just a variant of umul_ppmm. + 2) __umulsidi3(a,b) multiplies two u32 integers A and B, + and returns a u64 product. This is just a variant of umul_ppmm. 3) udiv_qrnnd(quotient, remainder, high_numerator, low_numerator, denominator) divides a two-word unsigned integer, composed by the @@ -77,23 +77,23 @@ #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ __asm__ ("adds %1, %4, %5 \n\ adc %0, %2, %3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "%r" ((USItype) (ah)), \ - "rI" ((USItype) (bh)), \ - "%r" ((USItype) (al)), \ - "rI" ((USItype) (bl))) + : "=r" ((u32) (sh)), \ + "=&r" ((u32) (sl)) \ + : "%r" ((u32) (ah)), \ + "rI" ((u32) (bh)), \ + "%r" ((u32) (al)), \ + "rI" ((u32) (bl))) #define sub_ddmmss(sh, sl, ah, al, bh, bl) \ __asm__ ("subs %1, %4, %5 \n\ sbc %0, %2, %3" \ - : "=r" ((USItype) (sh)), \ - "=&r" ((USItype) (sl)) \ - : "r" ((USItype) (ah)), \ - "rI" ((USItype) (bh)), \ - "r" ((USItype) (al)), \ - "rI" ((USItype) (bl))) + : "=r" ((u32) (sh)), \ + "=&r" ((u32) (sl)) \ + : "r" ((u32) (ah)), \ + "rI" ((u32) (bh)), \ + "r" ((u32) (al)), \ + "rI" ((u32) (bl))) #define umul_ppmm(xh, xl, a, b) \ -{register USItype __t0, __t1, __t2; \ +{register u32 __t0, __t1, __t2; \ __asm__ ("%@ Inlined umul_ppmm \n\ mov %2, %5, lsr #16 \n\ mov %0, %6, lsr #16 \n\ @@ -107,11 +107,11 @@ addcs %0, %0, #65536 \n\ adds %1, %1, %3, lsl #16 \n\ adc %0, %0, %3, lsr #16" \ - : "=&r" ((USItype) (xh)), \ - "=r" ((USItype) (xl)), \ + : "=&r" ((u32) (xh)), \ + "=r" ((u32) (xl)), \ "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \ - : "r" ((USItype) (a)), \ - "r" ((USItype) (b)));} + : "r" ((u32) (a)), \ + "r" ((u32) (b)));} #define UMUL_TIME 20 #define UDIV_TIME 100 #endif /* __arm__ */ @@ -123,14 +123,14 @@ #define __udiv_qrnnd_c(q, r, n1, n0, d) \ do { \ - USItype __d1, __d0, __q1, __q0; \ - USItype __r1, __r0, __m; \ + u32 __d1, __d0, __q1, __q0; \ + u32 __r1, __r0, __m; \ __d1 = __ll_highpart (d); \ __d0 = __ll_lowpart (d); \ \ __r1 = (n1) % __d1; \ __q1 = (n1) / __d1; \ - __m = (USItype) __q1 * __d0; \ + __m = (u32) __q1 * __d0; \ __r1 = __r1 * __ll_B | __ll_highpart (n0); \ if (__r1 < __m) \ { \ @@ -143,7 +143,7 @@ \ __r0 = __r1 % __d1; \ __q0 = __r1 / __d1; \ - __m = (USItype) __q0 * __d0; \ + __m = (u32) __q0 * __d0; \ __r0 = __r0 * __ll_B | __ll_lowpart (n0); \ if (__r0 < __m) \ { \ @@ -154,7 +154,7 @@ } \ __r0 -= __m; \ \ - (q) = (USItype) __q1 * __ll_B | __q0; \ + (q) = (u32) __q1 * __ll_B | __q0; \ (r) = __r0; \ } while (0) @@ -163,14 +163,14 @@ #define count_leading_zeros(count, x) \ do { \ - USItype __xr = (x); \ - USItype __a; \ + u32 __xr = (x); \ + u32 __a; \ \ if (SI_TYPE_SIZE <= 32) \ { \ - __a = __xr < ((USItype)1<<2*__BITS4) \ - ? (__xr < ((USItype)1<<__BITS4) ? 0 : __BITS4) \ - : (__xr < ((USItype)1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \ + __a = __xr < ((u32)1<<2*__BITS4) \ + ? (__xr < ((u32)1<<__BITS4) ? 0 : __BITS4) \ + : (__xr < ((u32)1<<3*__BITS4) ? 2*__BITS4 : 3*__BITS4); \ } \ else \ { \ diff --git a/arch/arm/lib/lshrdi3.c b/arch/arm/lib/lshrdi3.c index b666f1bad45..5c2385acdec 100644 --- a/arch/arm/lib/lshrdi3.c +++ b/arch/arm/lib/lshrdi3.c @@ -31,11 +31,11 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" -DItype -__lshrdi3 (DItype u, word_type b) +s64 +__lshrdi3 (s64 u, int b) { DIunion w; - word_type bm; + int bm; DIunion uu; if (b == 0) @@ -43,17 +43,17 @@ __lshrdi3 (DItype u, word_type b) uu.ll = u; - bm = (sizeof (SItype) * BITS_PER_UNIT) - b; + bm = (sizeof (s32) * BITS_PER_UNIT) - b; if (bm <= 0) { w.s.high = 0; - w.s.low = (USItype)uu.s.high >> -bm; + w.s.low = (u32)uu.s.high >> -bm; } else { - USItype carries = (USItype)uu.s.high << bm; - w.s.high = (USItype)uu.s.high >> b; - w.s.low = ((USItype)uu.s.low >> b) | carries; + u32 carries = (u32)uu.s.high << bm; + w.s.high = (u32)uu.s.high >> b; + w.s.low = ((u32)uu.s.low >> b) | carries; } return w.ll; diff --git a/arch/arm/lib/muldi3.c b/arch/arm/lib/muldi3.c index 44d611b1cfd..5b649fa9e2f 100644 --- a/arch/arm/lib/muldi3.c +++ b/arch/arm/lib/muldi3.c @@ -32,7 +32,7 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" #define umul_ppmm(xh, xl, a, b) \ -{register USItype __t0, __t1, __t2; \ +{register u32 __t0, __t1, __t2; \ __asm__ ("%@ Inlined umul_ppmm \n\ mov %2, %5, lsr #16 \n\ mov %0, %6, lsr #16 \n\ @@ -46,11 +46,11 @@ Boston, MA 02111-1307, USA. */ addcs %0, %0, #65536 \n\ adds %1, %1, %3, lsl #16 \n\ adc %0, %0, %3, lsr #16" \ - : "=&r" ((USItype) (xh)), \ - "=r" ((USItype) (xl)), \ + : "=&r" ((u32) (xh)), \ + "=r" ((u32) (xl)), \ "=&r" (__t0), "=&r" (__t1), "=r" (__t2) \ - : "r" ((USItype) (a)), \ - "r" ((USItype) (b)));} + : "r" ((u32) (a)), \ + "r" ((u32) (b)));} #define __umulsidi3(u, v) \ @@ -59,8 +59,8 @@ Boston, MA 02111-1307, USA. */ __w.ll; }) -DItype -__muldi3 (DItype u, DItype v) +s64 +__muldi3 (s64 u, s64 v) { DIunion w; DIunion uu, vv; @@ -69,8 +69,8 @@ __muldi3 (DItype u, DItype v) vv.ll = v; w.ll = __umulsidi3 (uu.s.low, vv.s.low); - w.s.high += ((USItype) uu.s.low * (USItype) vv.s.high - + (USItype) uu.s.high * (USItype) vv.s.low); + w.s.high += ((u32) uu.s.low * (u32) vv.s.high + + (u32) uu.s.high * (u32) vv.s.low); return w.ll; } diff --git a/arch/arm/lib/ucmpdi2.c b/arch/arm/lib/ucmpdi2.c index 6c6ae63efa0..3eb438c065b 100644 --- a/arch/arm/lib/ucmpdi2.c +++ b/arch/arm/lib/ucmpdi2.c @@ -31,20 +31,20 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" -word_type -__ucmpdi2 (DItype a, DItype b) +int +__ucmpdi2 (s64 a, s64 b) { DIunion au, bu; au.ll = a, bu.ll = b; - if ((USItype) au.s.high < (USItype) bu.s.high) + if ((u32) au.s.high < (u32) bu.s.high) return 0; - else if ((USItype) au.s.high > (USItype) bu.s.high) + else if ((u32) au.s.high > (u32) bu.s.high) return 2; - if ((USItype) au.s.low < (USItype) bu.s.low) + if ((u32) au.s.low < (u32) bu.s.low) return 0; - else if ((USItype) au.s.low > (USItype) bu.s.low) + else if ((u32) au.s.low > (u32) bu.s.low) return 2; return 1; } diff --git a/arch/arm/lib/udivdi3.c b/arch/arm/lib/udivdi3.c index d25195f673f..df1d5ef62bc 100644 --- a/arch/arm/lib/udivdi3.c +++ b/arch/arm/lib/udivdi3.c @@ -32,7 +32,7 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" #include "longlong.h" -static const UQItype __clz_tab[] = +static const u8 __clz_tab[] = { 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, @@ -44,15 +44,15 @@ static const UQItype __clz_tab[] = 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, }; -UDItype -__udivmoddi4 (UDItype n, UDItype d, UDItype *rp) +u64 +__udivmoddi4 (u64 n, u64 d, u64 *rp) { DIunion ww; DIunion nn, dd; DIunion rr; - USItype d0, d1, n0, n1, n2; - USItype q0, q1; - USItype b, bm; + u32 d0, d1, n0, n1, n2; + u32 q0, q1; + u32 b, bm; nn.ll = n; dd.ll = d; @@ -185,7 +185,7 @@ __udivmoddi4 (UDItype n, UDItype d, UDItype *rp) } else { - USItype m1, m0; + u32 m1, m0; /* Normalize. */ b = SI_TYPE_SIZE - bm; @@ -224,16 +224,16 @@ __udivmoddi4 (UDItype n, UDItype d, UDItype *rp) return ww.ll; } -UDItype -__udivdi3 (UDItype n, UDItype d) +u64 +__udivdi3 (u64 n, u64 d) { - return __udivmoddi4 (n, d, (UDItype *) 0); + return __udivmoddi4 (n, d, (u64 *) 0); } -UDItype -__umoddi3 (UDItype u, UDItype v) +u64 +__umoddi3 (u64 u, u64 v) { - UDItype w; + u64 w; (void) __udivmoddi4 (u ,v, &w); -- cgit v1.2.3 From 3ade2fe0fd0238d68938b8f5f73ebd0561d2d2e5 Mon Sep 17 00:00:00 2001 From: Russell King Date: Mon, 20 Jun 2005 16:45:32 +0100 Subject: [PATCH] ARM: Lindent GCC helper functions Signed-off-by: Russell King --- arch/arm/lib/ashldi3.c | 47 +++--- arch/arm/lib/ashrdi3.c | 48 +++---- arch/arm/lib/gcclib.h | 20 +-- arch/arm/lib/longlong.h | 2 +- arch/arm/lib/lshrdi3.c | 47 +++--- arch/arm/lib/muldi3.c | 21 ++- arch/arm/lib/ucmpdi2.c | 30 ++-- arch/arm/lib/udivdi3.c | 372 +++++++++++++++++++++++------------------------- 8 files changed, 274 insertions(+), 313 deletions(-) (limited to 'arch/arm/lib') diff --git a/arch/arm/lib/ashldi3.c b/arch/arm/lib/ashldi3.c index 02d2b628ebc..b62875cfd8f 100644 --- a/arch/arm/lib/ashldi3.c +++ b/arch/arm/lib/ashldi3.c @@ -31,31 +31,26 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" -s64 -__ashldi3 (s64 u, int b) +s64 __ashldi3(s64 u, int b) { - DIunion w; - int bm; - DIunion uu; - - if (b == 0) - return u; - - uu.ll = u; - - bm = (sizeof (s32) * BITS_PER_UNIT) - b; - if (bm <= 0) - { - w.s.low = 0; - w.s.high = (u32)uu.s.low << -bm; - } - else - { - u32 carries = (u32)uu.s.low >> bm; - w.s.low = (u32)uu.s.low << b; - w.s.high = ((u32)uu.s.high << b) | carries; - } - - return w.ll; + DIunion w; + int bm; + DIunion uu; + + if (b == 0) + return u; + + uu.ll = u; + + bm = (sizeof(s32) * BITS_PER_UNIT) - b; + if (bm <= 0) { + w.s.low = 0; + w.s.high = (u32) uu.s.low << -bm; + } else { + u32 carries = (u32) uu.s.low >> bm; + w.s.low = (u32) uu.s.low << b; + w.s.high = ((u32) uu.s.high << b) | carries; + } + + return w.ll; } - diff --git a/arch/arm/lib/ashrdi3.c b/arch/arm/lib/ashrdi3.c index 89f6fb7ed8f..9a8600a7543 100644 --- a/arch/arm/lib/ashrdi3.c +++ b/arch/arm/lib/ashrdi3.c @@ -31,31 +31,27 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" -s64 -__ashrdi3 (s64 u, int b) +s64 __ashrdi3(s64 u, int b) { - DIunion w; - int bm; - DIunion uu; - - if (b == 0) - return u; - - uu.ll = u; - - bm = (sizeof (s32) * BITS_PER_UNIT) - b; - if (bm <= 0) - { - /* w.s.high = 1..1 or 0..0 */ - w.s.high = uu.s.high >> (sizeof (s32) * BITS_PER_UNIT - 1); - w.s.low = uu.s.high >> -bm; - } - else - { - u32 carries = (u32)uu.s.high << bm; - w.s.high = uu.s.high >> b; - w.s.low = ((u32)uu.s.low >> b) | carries; - } - - return w.ll; + DIunion w; + int bm; + DIunion uu; + + if (b == 0) + return u; + + uu.ll = u; + + bm = (sizeof(s32) * BITS_PER_UNIT) - b; + if (bm <= 0) { + /* w.s.high = 1..1 or 0..0 */ + w.s.high = uu.s.high >> (sizeof(s32) * BITS_PER_UNIT - 1); + w.s.low = uu.s.high >> -bm; + } else { + u32 carries = (u32) uu.s.high << bm; + w.s.high = uu.s.high >> b; + w.s.low = ((u32) uu.s.low >> b) | carries; + } + + return w.ll; } diff --git a/arch/arm/lib/gcclib.h b/arch/arm/lib/gcclib.h index 283f5294cc3..8b6dcc656de 100644 --- a/arch/arm/lib/gcclib.h +++ b/arch/arm/lib/gcclib.h @@ -3,18 +3,20 @@ #include -#define BITS_PER_UNIT 8 -#define SI_TYPE_SIZE (sizeof(s32) * BITS_PER_UNIT) +#define BITS_PER_UNIT 8 +#define SI_TYPE_SIZE (sizeof(s32) * BITS_PER_UNIT) #ifdef __ARMEB__ - struct DIstruct {s32 high, low;}; +struct DIstruct { + s32 high, low; +}; #else - struct DIstruct {s32 low, high;}; +struct DIstruct { + s32 low, high; +}; #endif -typedef union -{ - struct DIstruct s; - s64 ll; +typedef union { + struct DIstruct s; + s64 ll; } DIunion; - diff --git a/arch/arm/lib/longlong.h b/arch/arm/lib/longlong.h index 3ef76957481..90ae647e4d7 100644 --- a/arch/arm/lib/longlong.h +++ b/arch/arm/lib/longlong.h @@ -114,7 +114,7 @@ "r" ((u32) (b)));} #define UMUL_TIME 20 #define UDIV_TIME 100 -#endif /* __arm__ */ +#endif /* __arm__ */ #define __umulsidi3(u, v) \ ({DIunion __w; \ diff --git a/arch/arm/lib/lshrdi3.c b/arch/arm/lib/lshrdi3.c index 5c2385acdec..3681f49d2b6 100644 --- a/arch/arm/lib/lshrdi3.c +++ b/arch/arm/lib/lshrdi3.c @@ -31,31 +31,26 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" -s64 -__lshrdi3 (s64 u, int b) +s64 __lshrdi3(s64 u, int b) { - DIunion w; - int bm; - DIunion uu; - - if (b == 0) - return u; - - uu.ll = u; - - bm = (sizeof (s32) * BITS_PER_UNIT) - b; - if (bm <= 0) - { - w.s.high = 0; - w.s.low = (u32)uu.s.high >> -bm; - } - else - { - u32 carries = (u32)uu.s.high << bm; - w.s.high = (u32)uu.s.high >> b; - w.s.low = ((u32)uu.s.low >> b) | carries; - } - - return w.ll; + DIunion w; + int bm; + DIunion uu; + + if (b == 0) + return u; + + uu.ll = u; + + bm = (sizeof(s32) * BITS_PER_UNIT) - b; + if (bm <= 0) { + w.s.high = 0; + w.s.low = (u32) uu.s.high >> -bm; + } else { + u32 carries = (u32) uu.s.high << bm; + w.s.high = (u32) uu.s.high >> b; + w.s.low = ((u32) uu.s.low >> b) | carries; + } + + return w.ll; } - diff --git a/arch/arm/lib/muldi3.c b/arch/arm/lib/muldi3.c index 5b649fa9e2f..0a3b93313f1 100644 --- a/arch/arm/lib/muldi3.c +++ b/arch/arm/lib/muldi3.c @@ -52,26 +52,21 @@ Boston, MA 02111-1307, USA. */ : "r" ((u32) (a)), \ "r" ((u32) (b)));} - #define __umulsidi3(u, v) \ ({DIunion __w; \ umul_ppmm (__w.s.high, __w.s.low, u, v); \ __w.ll; }) - -s64 -__muldi3 (s64 u, s64 v) +s64 __muldi3(s64 u, s64 v) { - DIunion w; - DIunion uu, vv; + DIunion w; + DIunion uu, vv; - uu.ll = u, - vv.ll = v; + uu.ll = u, vv.ll = v; - w.ll = __umulsidi3 (uu.s.low, vv.s.low); - w.s.high += ((u32) uu.s.low * (u32) vv.s.high - + (u32) uu.s.high * (u32) vv.s.low); + w.ll = __umulsidi3(uu.s.low, vv.s.low); + w.s.high += ((u32) uu.s.low * (u32) vv.s.high + + (u32) uu.s.high * (u32) vv.s.low); - return w.ll; + return w.ll; } - diff --git a/arch/arm/lib/ucmpdi2.c b/arch/arm/lib/ucmpdi2.c index 3eb438c065b..57f3f2df385 100644 --- a/arch/arm/lib/ucmpdi2.c +++ b/arch/arm/lib/ucmpdi2.c @@ -31,21 +31,19 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" -int -__ucmpdi2 (s64 a, s64 b) +int __ucmpdi2(s64 a, s64 b) { - DIunion au, bu; - - au.ll = a, bu.ll = b; - - if ((u32) au.s.high < (u32) bu.s.high) - return 0; - else if ((u32) au.s.high > (u32) bu.s.high) - return 2; - if ((u32) au.s.low < (u32) bu.s.low) - return 0; - else if ((u32) au.s.low > (u32) bu.s.low) - return 2; - return 1; + DIunion au, bu; + + au.ll = a, bu.ll = b; + + if ((u32) au.s.high < (u32) bu.s.high) + return 0; + else if ((u32) au.s.high > (u32) bu.s.high) + return 2; + if ((u32) au.s.low < (u32) bu.s.low) + return 0; + else if ((u32) au.s.low > (u32) bu.s.low) + return 2; + return 1; } - diff --git a/arch/arm/lib/udivdi3.c b/arch/arm/lib/udivdi3.c index df1d5ef62bc..e343be4c664 100644 --- a/arch/arm/lib/udivdi3.c +++ b/arch/arm/lib/udivdi3.c @@ -32,211 +32,191 @@ Boston, MA 02111-1307, USA. */ #include "gcclib.h" #include "longlong.h" -static const u8 __clz_tab[] = -{ - 0,1,2,2,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, - 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, - 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8, +static const u8 __clz_tab[] = { + 0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, + 5, 5, 5, 5, 5, 5, 5, 5, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, + 7, 7, 7, 7, 7, 7, 7, 7, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, }; -u64 -__udivmoddi4 (u64 n, u64 d, u64 *rp) +u64 __udivmoddi4(u64 n, u64 d, u64 * rp) { - DIunion ww; - DIunion nn, dd; - DIunion rr; - u32 d0, d1, n0, n1, n2; - u32 q0, q1; - u32 b, bm; - - nn.ll = n; - dd.ll = d; - - d0 = dd.s.low; - d1 = dd.s.high; - n0 = nn.s.low; - n1 = nn.s.high; - - if (d1 == 0) - { - if (d0 > n1) - { - /* 0q = nn / 0D */ - - count_leading_zeros (bm, d0); - - if (bm != 0) - { - /* Normalize, i.e. make the most significant bit of the - denominator set. */ - - d0 = d0 << bm; - n1 = (n1 << bm) | (n0 >> (SI_TYPE_SIZE - bm)); - n0 = n0 << bm; - } - - udiv_qrnnd (q0, n0, n1, n0, d0); - q1 = 0; - - /* Remainder in n0 >> bm. */ - } - else - { - /* qq = NN / 0d */ - - if (d0 == 0) - d0 = 1 / d0; /* Divide intentionally by zero. */ - - count_leading_zeros (bm, d0); - - if (bm == 0) - { - /* From (n1 >= d0) /\ (the most significant bit of d0 is set), - conclude (the most significant bit of n1 is set) /\ (the - leading quotient digit q1 = 1). - - This special case is necessary, not an optimization. - (Shifts counts of SI_TYPE_SIZE are undefined.) */ - - n1 -= d0; - q1 = 1; - } - else - { - /* Normalize. */ - - b = SI_TYPE_SIZE - bm; - - d0 = d0 << bm; - n2 = n1 >> b; - n1 = (n1 << bm) | (n0 >> b); - n0 = n0 << bm; - - udiv_qrnnd (q1, n1, n2, n1, d0); - } - - /* n1 != d0... */ - - udiv_qrnnd (q0, n0, n1, n0, d0); - - /* Remainder in n0 >> bm. */ - } - - if (rp != 0) - { - rr.s.low = n0 >> bm; - rr.s.high = 0; - *rp = rr.ll; - } - } - else - { - if (d1 > n1) - { - /* 00 = nn / DD */ - - q0 = 0; - q1 = 0; - - /* Remainder in n1n0. */ - if (rp != 0) - { - rr.s.low = n0; - rr.s.high = n1; - *rp = rr.ll; - } - } - else - { - /* 0q = NN / dd */ - - count_leading_zeros (bm, d1); - if (bm == 0) - { - /* From (n1 >= d1) /\ (the most significant bit of d1 is set), - conclude (the most significant bit of n1 is set) /\ (the - quotient digit q0 = 0 or 1). - - This special case is necessary, not an optimization. */ - - /* The condition on the next line takes advantage of that - n1 >= d1 (true due to program flow). */ - if (n1 > d1 || n0 >= d0) - { - q0 = 1; - sub_ddmmss (n1, n0, n1, n0, d1, d0); - } - else - q0 = 0; - - q1 = 0; - - if (rp != 0) - { - rr.s.low = n0; - rr.s.high = n1; - *rp = rr.ll; - } - } - else - { - u32 m1, m0; - /* Normalize. */ - - b = SI_TYPE_SIZE - bm; - - d1 = (d1 << bm) | (d0 >> b); - d0 = d0 << bm; - n2 = n1 >> b; - n1 = (n1 << bm) | (n0 >> b); - n0 = n0 << bm; - - udiv_qrnnd (q0, n1, n2, n1, d1); - umul_ppmm (m1, m0, q0, d0); - - if (m1 > n1 || (m1 == n1 && m0 > n0)) - { - q0--; - sub_ddmmss (m1, m0, m1, m0, d1, d0); - } - - q1 = 0; - - /* Remainder in (n1n0 - m1m0) >> bm. */ - if (rp != 0) - { - sub_ddmmss (n1, n0, n1, n0, m1, m0); - rr.s.low = (n1 << b) | (n0 >> bm); - rr.s.high = n1 >> bm; - *rp = rr.ll; - } - } - } - } - - ww.s.low = q0; - ww.s.high = q1; - return ww.ll; + DIunion ww; + DIunion nn, dd; + DIunion rr; + u32 d0, d1, n0, n1, n2; + u32 q0, q1; + u32 b, bm; + + nn.ll = n; + dd.ll = d; + + d0 = dd.s.low; + d1 = dd.s.high; + n0 = nn.s.low; + n1 = nn.s.high; + + if (d1 == 0) { + if (d0 > n1) { + /* 0q = nn / 0D */ + + count_leading_zeros(bm, d0); + + if (bm != 0) { + /* Normalize, i.e. make the most significant bit of the + denominator set. */ + + d0 = d0 << bm; + n1 = (n1 << bm) | (n0 >> (SI_TYPE_SIZE - bm)); + n0 = n0 << bm; + } + + udiv_qrnnd(q0, n0, n1, n0, d0); + q1 = 0; + + /* Remainder in n0 >> bm. */ + } else { + /* qq = NN / 0d */ + + if (d0 == 0) + d0 = 1 / d0; /* Divide intentionally by zero. */ + + count_leading_zeros(bm, d0); + + if (bm == 0) { + /* From (n1 >= d0) /\ (the most significant bit of d0 is set), + conclude (the most significant bit of n1 is set) /\ (the + leading quotient digit q1 = 1). + + This special case is necessary, not an optimization. + (Shifts counts of SI_TYPE_SIZE are undefined.) */ + + n1 -= d0; + q1 = 1; + } else { + /* Normalize. */ + + b = SI_TYPE_SIZE - bm; + + d0 = d0 << bm; + n2 = n1 >> b; + n1 = (n1 << bm) | (n0 >> b); + n0 = n0 << bm; + + udiv_qrnnd(q1, n1, n2, n1, d0); + } + + /* n1 != d0... */ + + udiv_qrnnd(q0, n0, n1, n0, d0); + + /* Remainder in n0 >> bm. */ + } + + if (rp != 0) { + rr.s.low = n0 >> bm; + rr.s.high = 0; + *rp = rr.ll; + } + } else { + if (d1 > n1) { + /* 00 = nn / DD */ + + q0 = 0; + q1 = 0; + + /* Remainder in n1n0. */ + if (rp != 0) { + rr.s.low = n0; + rr.s.high = n1; + *rp = rr.ll; + } + } else { + /* 0q = NN / dd */ + + count_leading_zeros(bm, d1); + if (bm == 0) { + /* From (n1 >= d1) /\ (the most significant bit of d1 is set), + conclude (the most significant bit of n1 is set) /\ (the + quotient digit q0 = 0 or 1). + + This special case is necessary, not an optimization. */ + + /* The condition on the next line takes advantage of that + n1 >= d1 (true due to program flow). */ + if (n1 > d1 || n0 >= d0) { + q0 = 1; + sub_ddmmss(n1, n0, n1, n0, d1, d0); + } else + q0 = 0; + + q1 = 0; + + if (rp != 0) { + rr.s.low = n0; + rr.s.high = n1; + *rp = rr.ll; + } + } else { + u32 m1, m0; + /* Normalize. */ + + b = SI_TYPE_SIZE - bm; + + d1 = (d1 << bm) | (d0 >> b); + d0 = d0 << bm; + n2 = n1 >> b; + n1 = (n1 << bm) | (n0 >> b); + n0 = n0 << bm; + + udiv_qrnnd(q0, n1, n2, n1, d1); + umul_ppmm(m1, m0, q0, d0); + + if (m1 > n1 || (m1 == n1 && m0 > n0)) { + q0--; + sub_ddmmss(m1, m0, m1, m0, d1, d0); + } + + q1 = 0; + + /* Remainder in (n1n0 - m1m0) >> bm. */ + if (rp != 0) { + sub_ddmmss(n1, n0, n1, n0, m1, m0); + rr.s.low = (n1 << b) | (n0 >> bm); + rr.s.high = n1 >> bm; + *rp = rr.ll; + } + } + } + } + + ww.s.low = q0; + ww.s.high = q1; + return ww.ll; } -u64 -__udivdi3 (u64 n, u64 d) +u64 __udivdi3(u64 n, u64 d) { - return __udivmoddi4 (n, d, (u64 *) 0); + return __udivmoddi4(n, d, (u64 *) 0); } -u64 -__umoddi3 (u64 u, u64 v) +u64 __umoddi3(u64 u, u64 v) { - u64 w; + u64 w; - (void) __udivmoddi4 (u ,v, &w); + (void)__udivmoddi4(u, v, &w); - return w; + return w; } - -- cgit v1.2.3