diff options
| author | Andy Polyakov <appro@openssl.org> | 2017-02-08 10:09:21 +0100 |
|---|---|---|
| committer | Andy Polyakov <appro@openssl.org> | 2017-02-09 20:00:10 +0100 |
| commit | 53b33100769aa8801d6fd2caf155c7cb04d64dfc (patch) | |
| tree | 31d787eacc1c0c51204a3498979475e1c8e74d27 /crypto | |
| parent | fbc9eeaaa32ba1416d6cb2794201f440bbaeb629 (diff) | |
bn/asm/rsaz-avx2.pl: refine Win64 SE handler.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Diffstat (limited to 'crypto')
| -rwxr-xr-x | crypto/bn/asm/rsaz-avx2.pl | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/crypto/bn/asm/rsaz-avx2.pl b/crypto/bn/asm/rsaz-avx2.pl index e620285e61..6d23fefd2c 100755 --- a/crypto/bn/asm/rsaz-avx2.pl +++ b/crypto/bn/asm/rsaz-avx2.pl @@ -827,6 +827,7 @@ $code.=<<___; mov %rbp, %rax ___ $code.=<<___ if ($win64); +.Lsqr_1024_in_tail: movaps -0xd8(%rax),%xmm6 movaps -0xc8(%rax),%xmm7 movaps -0xb8(%rax),%xmm8 @@ -1460,6 +1461,7 @@ $code.=<<___; mov %rbp, %rax ___ $code.=<<___ if ($win64); +.Lmul_1024_in_tail: movaps -0xd8(%rax),%xmm6 movaps -0xc8(%rax),%xmm7 movaps -0xb8(%rax),%xmm8 @@ -1815,14 +1817,17 @@ rsaz_se_handler: cmp %r10,%rbx # context->Rip<prologue label jb .Lcommon_seh_tail - mov 152($context),%rax # pull context->Rsp - mov 4(%r11),%r10d # HandlerData[1] lea (%rsi,%r10),%r10 # epilogue label cmp %r10,%rbx # context->Rip>=epilogue label jae .Lcommon_seh_tail - mov 160($context),%rax # pull context->Rbp + mov 160($context),%rbp # pull context->Rbp + + mov 8(%r11),%r10d # HandlerData[2] + lea (%rsi,%r10),%r10 # "in tail" label + cmp %r10,%rbx # context->Rip>="in tail" label + cmovc %rbp,%rax mov -48(%rax),%r15 mov -40(%rax),%r14 @@ -1900,11 +1905,13 @@ rsaz_se_handler: .LSEH_info_rsaz_1024_sqr_avx2: .byte 9,0,0,0 .rva rsaz_se_handler - .rva .Lsqr_1024_body,.Lsqr_1024_epilogue + .rva .Lsqr_1024_body,.Lsqr_1024_epilogue,.Lsqr_1024_in_tail + .long 0 .LSEH_info_rsaz_1024_mul_avx2: .byte 9,0,0,0 .rva rsaz_se_handler - .rva .Lmul_1024_body,.Lmul_1024_epilogue + .rva .Lmul_1024_body,.Lmul_1024_epilogue,.Lmul_1024_in_tail + .long 0 .LSEH_info_rsaz_1024_gather5: .byte 0x01,0x36,0x17,0x0b .byte 0x36,0xf8,0x09,0x00 # vmovaps 0x90(rsp),xmm15 |