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Universal abi used in amm functions, no need for OS differentiation #1869

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Universal abi used in amm functions, no need for OS differentiation #1869

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618abc8
universal abi used in amm functions, no need for OS dffn
pittma Sep 20, 2024
1bdcc49
codegen
pittma Sep 20, 2024
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4 changes: 1 addition & 3 deletions crypto/fipsmodule/bn/asm/rsaz-2k-avx512.pl
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Original file line number Diff line number Diff line change
Expand Up @@ -76,9 +76,7 @@

if ($avx512ifma>0) {{{

@_6_args_universal_ABI = $win64 ?
("%rcx","%rdx","%r8","%r9","%r10","%r11") :
("%rdi","%rsi","%rdx","%rcx","%r8","%r9");
@_6_args_universal_ABI = ("%rdi","%rsi","%rdx","%rcx","%r8","%r9");

###############################################################################
# void rsaz_amm52x20_x1_ifma256(BN_ULONG *res,
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5 changes: 2 additions & 3 deletions crypto/fipsmodule/bn/asm/rsaz-3k-avx512.pl
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Expand Up @@ -74,9 +74,8 @@
*STDOUT=*OUT;

if ($avx512ifma>0) {{{
@_6_args_universal_ABI = $win64 ?
("%rcx","%rdx","%r8","%r9","%r10","%r11") :
("%rdi","%rsi","%rdx","%rcx","%r8","%r9");

@_6_args_universal_ABI = ("%rdi","%rsi","%rdx","%rcx","%r8","%r9");

###############################################################################
# void rsaz_amm52x30_x1_ifma256(BN_ULONG *res,
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4 changes: 1 addition & 3 deletions crypto/fipsmodule/bn/asm/rsaz-4k-avx512.pl
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Original file line number Diff line number Diff line change
Expand Up @@ -74,9 +74,7 @@
*STDOUT=*OUT;

if ($avx512ifma>0) {{{
@_6_args_universal_ABI = $win64 ?
("%rcx","%rdx","%r8","%r9","%r10","%r11") :
("%rdi","%rsi","%rdx","%rcx","%r8","%r9");
@_6_args_universal_ABI = ("%rdi","%rsi","%rdx","%rcx","%r8","%r9");

###############################################################################
# void rsaz_amm52x40_x1_ifma256(BN_ULONG *res,
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6 changes: 2 additions & 4 deletions crypto/fipsmodule/cpucap/internal.h
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Expand Up @@ -140,10 +140,8 @@ OPENSSL_INLINE int CRYPTO_is_VPCLMULQDQ_capable(void) {
// 1100_0000_0010_0011_0000_0000_0000_0000
#define CPU_CAP_AVX512IFMA_BITFLAGS 0xC0230000
OPENSSL_INLINE int CRYPTO_is_AVX512IFMA_capable(void) {
return 0;
// TODO: Re-enable once we understand Windows test failures.
// return (OPENSSL_ia32cap_get()[2] & CPU_CAP_AVX512IFMA_BITFLAGS) ==
// CPU_CAP_AVX512IFMA_BITFLAGS;
return (OPENSSL_ia32cap_get()[2] & CPU_CAP_AVX512IFMA_BITFLAGS) ==
CPU_CAP_AVX512IFMA_BITFLAGS;
}

OPENSSL_INLINE int CRYPTO_is_VBMI2_capable(void) {
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