Mailing List Archive

* cipher/asm-common-amd64.h (spec_stop_avx512_intel_syntax): New.
* cipher/poly1305-amd64-avx512.S: Use spec_stop_avx512_intel_syntax
instead of spec_stop_avx512.
* cipher/sha512-avx512-amd64.S: Likewise.
--

Reported-by: Clemens Lang <cllang@redhat.com>
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
---
cipher/asm-common-amd64.h | 4 ++++
cipher/poly1305-amd64-avx512.S | 2 +-
cipher/sha512-avx512-amd64.S | 2 +-
3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/cipher/asm-common-amd64.h b/cipher/asm-common-amd64.h
index dc2c4d2f..cd93abc3 100644
--- a/cipher/asm-common-amd64.h
+++ b/cipher/asm-common-amd64.h
@@ -198,4 +198,8 @@
vpxord %xmm16, %xmm16, %xmm16; \
vpopcntb %xmm16, %xmm16; /* Supported only by newer AVX512 CPUs. */

+#define spec_stop_avx512_intel_syntax \
+ vpxord xmm16, xmm16, xmm16; \
+ vpopcntb xmm16, xmm16; /* Supported only by newer AVX512 CPUs. */
+
#endif /* GCRY_ASM_COMMON_AMD64_H */
diff --git a/cipher/poly1305-amd64-avx512.S b/cipher/poly1305-amd64-avx512.S
index 5c8f838f..6622861f 100644
--- a/cipher/poly1305-amd64-avx512.S
+++ b/cipher/poly1305-amd64-avx512.S
@@ -1580,7 +1580,7 @@ ELF(.size _gcry_poly1305_avx512_consts,.-_gcry_poly1305_avx512_consts)
ELF(.type _gcry_poly1305_amd64_avx512_blocks,@function;)
_gcry_poly1305_amd64_avx512_blocks:
CFI_STARTPROC()
- spec_stop_avx512;
+ spec_stop_avx512_intel_syntax;
FUNC_ENTRY()

#define _a0 gp3
diff --git a/cipher/sha512-avx512-amd64.S b/cipher/sha512-avx512-amd64.S
index 145c8667..65475422 100644
--- a/cipher/sha512-avx512-amd64.S
+++ b/cipher/sha512-avx512-amd64.S
@@ -264,7 +264,7 @@ _gcry_sha512_transform_amd64_avx512:
cmp rdx, 0
je .Lnowork

- spec_stop_avx512;
+ spec_stop_avx512_intel_syntax;

/* Setup mask register for DC:BA merging. */
mov eax, 0b1100
--
2.37.2


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