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path: root/vere/ext/gmp/gen/x86_64-linux/mpn/rshift.s
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Diffstat (limited to 'vere/ext/gmp/gen/x86_64-linux/mpn/rshift.s')
-rw-r--r--vere/ext/gmp/gen/x86_64-linux/mpn/rshift.s191
1 files changed, 191 insertions, 0 deletions
diff --git a/vere/ext/gmp/gen/x86_64-linux/mpn/rshift.s b/vere/ext/gmp/gen/x86_64-linux/mpn/rshift.s
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+ .text
+ .align 32, 0x90
+ .globl __gmpn_rshift
+ .type __gmpn_rshift,@function
+
+__gmpn_rshift:
+
+
+ neg %ecx
+ mov (%rsi), %rax
+ shl %cl, %rax
+ neg %ecx
+
+ lea 1(%rdx), %r8d
+
+ lea -8(%rsi,%rdx,8), %rsi
+ lea -8(%rdi,%rdx,8), %rdi
+ neg %rdx
+
+ and $3, %r8d
+ je .Lrlx
+
+ dec %r8d
+ jne .L1
+
+ mov 8(%rsi,%rdx,8), %r10
+ shr %cl, %r10
+ neg %ecx
+ mov 16(%rsi,%rdx,8), %r8
+ shl %cl, %r8
+ or %r8, %r10
+ mov %r10, 8(%rdi,%rdx,8)
+ inc %rdx
+ jmp .Lrll
+
+.L1: dec %r8d
+ je .L1x
+
+ mov 8(%rsi,%rdx,8), %r10
+ shr %cl, %r10
+ neg %ecx
+ mov 16(%rsi,%rdx,8), %r8
+ shl %cl, %r8
+ or %r8, %r10
+ mov %r10, 8(%rdi,%rdx,8)
+ inc %rdx
+ neg %ecx
+.L1x:
+ cmp $-1, %rdx
+ je .Last
+ mov 8(%rsi,%rdx,8), %r10
+ shr %cl, %r10
+ mov 16(%rsi,%rdx,8), %r11
+ shr %cl, %r11
+ neg %ecx
+ mov 16(%rsi,%rdx,8), %r8
+ mov 24(%rsi,%rdx,8), %r9
+ shl %cl, %r8
+ or %r8, %r10
+ shl %cl, %r9
+ or %r9, %r11
+ mov %r10, 8(%rdi,%rdx,8)
+ mov %r11, 16(%rdi,%rdx,8)
+ add $2, %rdx
+
+.Lrll: neg %ecx
+.Lrlx: mov 8(%rsi,%rdx,8), %r10
+ shr %cl, %r10
+ mov 16(%rsi,%rdx,8), %r11
+ shr %cl, %r11
+
+ add $4, %rdx
+ jb .Lend
+ .align 16, 0x90
+.Ltop:
+
+ neg %ecx
+ mov -16(%rsi,%rdx,8), %r8
+ mov -8(%rsi,%rdx,8), %r9
+ shl %cl, %r8
+ or %r8, %r10
+ shl %cl, %r9
+ or %r9, %r11
+ mov %r10, -24(%rdi,%rdx,8)
+ mov %r11, -16(%rdi,%rdx,8)
+
+ mov (%rsi,%rdx,8), %r8
+ mov 8(%rsi,%rdx,8), %r9
+ shl %cl, %r8
+ shl %cl, %r9
+
+
+ neg %ecx
+ mov -8(%rsi,%rdx,8), %r10
+ mov 0(%rsi,%rdx,8), %r11
+ shr %cl, %r10
+ or %r10, %r8
+ shr %cl, %r11
+ or %r11, %r9
+ mov %r8, -8(%rdi,%rdx,8)
+ mov %r9, 0(%rdi,%rdx,8)
+
+ mov 8(%rsi,%rdx,8), %r10
+ mov 16(%rsi,%rdx,8), %r11
+ shr %cl, %r10
+ shr %cl, %r11
+
+ add $4, %rdx
+ jae .Ltop
+.Lend:
+ neg %ecx
+ mov -8(%rsi), %r8
+ shl %cl, %r8
+ or %r8, %r10
+ mov (%rsi), %r9
+ shl %cl, %r9
+ or %r9, %r11
+ mov %r10, -16(%rdi)
+ mov %r11, -8(%rdi)
+
+ neg %ecx
+.Last: mov (%rsi), %r10
+ shr %cl, %r10
+ mov %r10, (%rdi)
+
+ ret
+ .size __gmpn_rshift,.-__gmpn_rshift