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Diffstat (limited to 'vere/ext/gmp/gen/x86_64-linux/mpn/dive_1.s')
-rw-r--r--vere/ext/gmp/gen/x86_64-linux/mpn/dive_1.s175
1 files changed, 175 insertions, 0 deletions
diff --git a/vere/ext/gmp/gen/x86_64-linux/mpn/dive_1.s b/vere/ext/gmp/gen/x86_64-linux/mpn/dive_1.s
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index 0000000..23a35c8
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+ .text
+ .align 16, 0x90
+ .globl __gmpn_divexact_1
+ .type __gmpn_divexact_1,@function
+
+__gmpn_divexact_1:
+
+
+ push %rbx
+
+ mov %rcx, %rax
+ xor %ecx, %ecx
+ mov %rdx, %r8
+
+ bt $0, %eax
+ jnc .Levn
+
+.Lodd: mov %rax, %rbx
+ shr %eax
+ and $127, %eax
+
+ mov __gmp_binvert_limb_table@GOTPCREL(%rip), %rdx
+
+
+
+ movzbl (%rdx,%rax), %eax
+
+ mov %rbx, %r11
+
+ lea (%rax,%rax), %edx
+ imul %eax, %eax
+ imul %ebx, %eax
+ sub %eax, %edx
+
+ lea (%rdx,%rdx), %eax
+ imul %edx, %edx
+ imul %ebx, %edx
+ sub %edx, %eax
+
+ lea (%rax,%rax), %r10
+ imul %rax, %rax
+ imul %rbx, %rax
+ sub %rax, %r10
+
+ lea (%rsi,%r8,8), %rsi
+ lea -8(%rdi,%r8,8), %rdi
+ neg %r8
+
+ mov (%rsi,%r8,8), %rax
+
+ inc %r8
+ jz .Lone
+
+ mov (%rsi,%r8,8), %rdx
+
+ shrd %cl, %rdx, %rax
+
+ xor %ebx, %ebx
+ jmp .Lent
+
+.Levn: bsf %rax, %rcx
+ shr %cl, %rax
+ jmp .Lodd
+
+ .align 8, 0x90
+.Ltop:
+
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+ mul %r11
+ mov -8(%rsi,%r8,8), %rax
+ mov (%rsi,%r8,8), %r9
+ shrd %cl, %r9, %rax
+ nop
+ sub %rbx, %rax
+ setc %bl
+ sub %rdx, %rax
+ adc $0, %rbx
+.Lent: imul %r10, %rax
+ mov %rax, (%rdi,%r8,8)
+ inc %r8
+ jnz .Ltop
+
+ mul %r11
+ mov -8(%rsi), %rax
+ shr %cl, %rax
+ sub %rbx, %rax
+ sub %rdx, %rax
+ imul %r10, %rax
+ mov %rax, (%rdi)
+ pop %rbx
+
+ ret
+
+.Lone: shr %cl, %rax
+ imul %r10, %rax
+ mov %rax, (%rdi)
+ pop %rbx
+
+ ret
+
+ .size __gmpn_divexact_1,.-__gmpn_divexact_1