diff options
Diffstat (limited to 'sysdeps/i386/i586/sub_n.S')
| -rw-r--r-- | sysdeps/i386/i586/sub_n.S | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/sysdeps/i386/i586/sub_n.S b/sysdeps/i386/i586/sub_n.S index 1382e665f6..9c964a82f3 100644 --- a/sysdeps/i386/i586/sub_n.S +++ b/sysdeps/i386/i586/sub_n.S @@ -27,16 +27,16 @@ the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ size (sp + 16) */ -#define r1 %eax -#define r2 %edx +#include "sysdep.h" +#include "asm-syntax.h" + +#define t1 %eax +#define t2 %edx #define src1 %esi #define src2 %ebp #define dst %edi #define x %ebx -#include "sysdep.h" -#include "asm-syntax.h" - .text ALIGN (3) .globl C_SYMBOL_NAME(__mpn_sub_n) @@ -54,77 +54,77 @@ C_SYMBOL_NAME(__mpn_sub_n:) movl (src2),x decl %ecx - movl %ecx,r2 + movl %ecx,t2 shrl $3,%ecx - andl $7,r2 + andl $7,t2 testl %ecx,%ecx /* zero carry flag */ jz Lend - pushl r2 + pushl t2 ALIGN (3) Loop: movl 28(dst),%eax /* fetch destination cache line */ leal 32(dst),dst -L1: movl (src1),r1 - movl 4(src1),r2 - sbbl x,r1 +L1: movl (src1),t1 + movl 4(src1),t2 + sbbl x,t1 movl 4(src2),x - sbbl x,r2 + sbbl x,t2 movl 8(src2),x - movl r1,-32(dst) - movl r2,-28(dst) + movl t1,-32(dst) + movl t2,-28(dst) -L2: movl 8(src1),r1 - movl 12(src1),r2 - sbbl x,r1 +L2: movl 8(src1),t1 + movl 12(src1),t2 + sbbl x,t1 movl 12(src2),x - sbbl x,r2 + sbbl x,t2 movl 16(src2),x - movl r1,-24(dst) - movl r2,-20(dst) + movl t1,-24(dst) + movl t2,-20(dst) -L3: movl 16(src1),r1 - movl 20(src1),r2 - sbbl x,r1 +L3: movl 16(src1),t1 + movl 20(src1),t2 + sbbl x,t1 movl 20(src2),x - sbbl x,r2 + sbbl x,t2 movl 24(src2),x - movl r1,-16(dst) - movl r2,-12(dst) + movl t1,-16(dst) + movl t2,-12(dst) -L4: movl 24(src1),r1 - movl 28(src1),r2 - sbbl x,r1 +L4: movl 24(src1),t1 + movl 28(src1),t2 + sbbl x,t1 movl 28(src2),x - sbbl x,r2 + sbbl x,t2 movl 32(src2),x - movl r1,-8(dst) - movl r2,-4(dst) + movl t1,-8(dst) + movl t2,-4(dst) leal 32(src1),src1 leal 32(src2),src2 decl %ecx jnz Loop - popl r2 + popl t2 Lend: - decl r2 /* test r2 w/o clobbering carry */ + decl t2 /* test t2 w/o clobbering carry */ js Lend2 - incl r2 + incl t2 Loop2: leal 4(dst),dst - movl (src1),r1 - sbbl x,r1 + movl (src1),t1 + sbbl x,t1 movl 4(src2),x - movl r1,-4(dst) + movl t1,-4(dst) leal 4(src1),src1 leal 4(src2),src2 - decl r2 + decl t2 jnz Loop2 Lend2: - movl (src1),r1 - sbbl x,r1 - movl r1,(dst) + movl (src1),t1 + sbbl x,t1 + movl t1,(dst) sbbl %eax,%eax negl %eax |