diff options
Diffstat (limited to 'sysdeps/i386/i586/addmul_1.S')
| -rw-r--r-- | sysdeps/i386/i586/addmul_1.S | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/sysdeps/i386/i586/addmul_1.S b/sysdeps/i386/i586/addmul_1.S index b222840591..5bf2603cab 100644 --- a/sysdeps/i386/i586/addmul_1.S +++ b/sysdeps/i386/i586/addmul_1.S @@ -1,7 +1,7 @@ /* Pentium __mpn_addmul_1 -- Multiply a limb vector with a limb and add the result to a second limb vector. -Copyright (C) 1992, 1994 Free Software Foundation, Inc. +Copyright (C) 1992, 1994, 1996 Free Software Foundation, Inc. This file is part of the GNU MP Library. @@ -32,12 +32,12 @@ the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #define res_ptr edi #define s1_ptr esi +#define size ecx #define s2_limb ebp TEXT ALIGN (3) GLOBL C_SYMBOL_NAME(__mpn_addmul_1) - .type C_SYMBOL_NAME(__mpn_addmul_1),@function C_SYMBOL_NAME(__mpn_addmul_1:) INSN1(push,l ,R(edi)) @@ -47,38 +47,36 @@ C_SYMBOL_NAME(__mpn_addmul_1:) INSN2(mov,l ,R(res_ptr),MEM_DISP(esp,20)) INSN2(mov,l ,R(s1_ptr),MEM_DISP(esp,24)) - INSN2(mov,l ,R(ecx),MEM_DISP(esp,28)) + INSN2(mov,l ,R(size),MEM_DISP(esp,28)) INSN2(mov,l ,R(s2_limb),MEM_DISP(esp,32)) - INSN2(lea,l ,R(res_ptr),MEM_INDEX(res_ptr,ecx,4)) - INSN2(lea,l ,R(s1_ptr),MEM_INDEX(s1_ptr,ecx,4)) - INSN1(neg,l ,R(ecx)) - INSN2(xor,l ,R(edx),R(edx)) + INSN2(lea,l ,R(res_ptr),MEM_INDEX(res_ptr,size,4)) + INSN2(lea,l ,R(s1_ptr),MEM_INDEX(s1_ptr,size,4)) + INSN1(neg,l ,R(size)) + INSN2(xor,l ,R(ebx),R(ebx)) ALIGN (3) -Loop: - INSN2(mov,l ,R(ebx),R(edx)) - INSN2(mov,l ,R(eax),MEM_INDEX(s1_ptr,ecx,4)) + +Loop: INSN2(adc,l ,R(ebx),$0) + INSN2(mov,l ,R(eax),MEM_INDEX(s1_ptr,size,4)) INSN1(mul,l ,R(s2_limb)) INSN2(add,l ,R(eax),R(ebx)) - INSN2(mov,l ,R(ebx),MEM_INDEX(res_ptr,ecx,4)) + INSN2(mov,l ,R(ebx),MEM_INDEX(res_ptr,size,4)) INSN2(adc,l ,R(edx),$0) INSN2(add,l ,R(ebx),R(eax)) - INSN2(adc,l ,R(edx),$0) - INSN2(mov,l ,MEM_INDEX(res_ptr,ecx,4),R(ebx)) + INSN2(mov,l ,MEM_INDEX(res_ptr,size,4),R(ebx)) + INSN1(inc,l ,R(size)) - INSN1(inc,l ,R(ecx)) + INSN2(mov,l ,R(ebx),R(edx)) INSN1(jnz, ,Loop) - - INSN2(mov,l ,R(eax),R(edx)) + INSN2(adc,l ,R(ebx),$0) + INSN2(mov,l ,R(eax),R(ebx)) INSN1(pop,l ,R(ebp)) INSN1(pop,l ,R(ebx)) INSN1(pop,l ,R(esi)) INSN1(pop,l ,R(edi)) ret -Lfe1: - .size C_SYMBOL_NAME(__mpn_addmul_1),Lfe1-C_SYMBOL_NAME(__mpn_addmul_1) |