From a0db0a121571129b7149e51e98e5fbc6e35413e8 Mon Sep 17 00:00:00 2001 From: Jussi Kivilinna Date: Sat, 12 Mar 2022 10:28:20 +0200 Subject: Fix building sha512-avx512 with clang * cipher/sha512-avx512-amd64.S (_gcry_sha512_transform_amd64_avx512): Change "%xmm??" registers to "xmm??" for clear_reg parameter. * configure.ac (gcry_cv_gcc_inline_asm_avx512): Check support for registers in range "zmm16-zmm31". -- Signed-off-by: Jussi Kivilinna --- configure.ac | 3 +++ 1 file changed, 3 insertions(+) (limited to 'configure.ac') diff --git a/configure.ac b/configure.ac index cf255bf3..b41322e3 100644 --- a/configure.ac +++ b/configure.ac @@ -1567,6 +1567,9 @@ AC_CACHE_CHECK([whether GCC inline assembler supports AVX512 instructions], [[void a(void) { __asm__("xgetbv; vpopcntq %%zmm7, %%zmm1%{%%k1%}%{z%};\n\t":::"cc"); __asm__("vpexpandb %%zmm3, %%zmm1;\n\t":::"cc"); + __asm__("vpxorq %%xmm22, %%xmm22, %%xmm22;\n\t":::"cc"); + __asm__("vpxorq %%ymm22, %%ymm22, %%ymm22;\n\t":::"cc"); + __asm__("vpxorq %%zmm22, %%zmm22, %%zmm22;\n\t":::"cc"); }]], [ a(); ] )], [gcry_cv_gcc_inline_asm_avx512=yes]) fi]) -- cgit v1.2.1