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Remove no-op register move from ChaCha20_ctr32_ssse3_4x #2234

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Merged
merged 1 commit into from
Mar 11, 2025
Merged

Remove no-op register move from ChaCha20_ctr32_ssse3_4x #2234

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1 change: 0 additions & 1 deletion crypto/chacha/asm/chacha-x86_64.pl
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Original file line number Diff line number Diff line change
Expand Up @@ -705,7 +705,6 @@ sub SSSE3_lane_ROUND {
_CET_ENDBR
mov %rsp,%r9 # frame pointer
.cfi_def_cfa_register r9
mov %r10,%r11
___
$code.=<<___;
sub \$0x140+$xframe,%rsp
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1 change: 0 additions & 1 deletion generated-src/linux-x86_64/crypto/chacha/chacha-x86_64.S
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Expand Up @@ -465,7 +465,6 @@ ChaCha20_ctr32_ssse3_4x:
_CET_ENDBR
movq %rsp,%r9
.cfi_def_cfa_register r9
movq %r10,%r11
subq $0x140+8,%rsp
movdqa .Lsigma(%rip),%xmm11
movdqu (%rcx),%xmm15
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1 change: 0 additions & 1 deletion generated-src/mac-x86_64/crypto/chacha/chacha-x86_64.S
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Expand Up @@ -459,7 +459,6 @@ _ChaCha20_ctr32_ssse3_4x:
_CET_ENDBR
movq %rsp,%r9

movq %r10,%r11
subq $0x140+8,%rsp
movdqa L$sigma(%rip),%xmm11
movdqu (%rcx),%xmm15
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1 change: 0 additions & 1 deletion generated-src/win-x86_64/crypto/chacha/chacha-x86_64.asm
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Expand Up @@ -509,7 +509,6 @@ $L$SEH_begin_ChaCha20_ctr32_ssse3_4x:
_CET_ENDBR
mov r9,rsp

mov r11,r10
sub rsp,0x140+168
movaps XMMWORD[(-168)+r9],xmm6
movaps XMMWORD[(-152)+r9],xmm7
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