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host/include/i386: Implement clmul.h

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Detect PCLMUL in cpuinfo; implement the accel hook.

Reviewed-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-07-11 21:39:10 +01:00
parent 7bdbf233d9
commit d6493dbb46
5 changed files with 35 additions and 0 deletions
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util/cpuinfo-i386.c
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@ -39,6 +39,7 @@ unsigned __attribute__((constructor)) cpuinfo_init(void)
info |= (c & bit_SSE4_1 ? CPUINFO_SSE4 : 0);
info |= (c & bit_MOVBE ? CPUINFO_MOVBE : 0);
info |= (c & bit_POPCNT ? CPUINFO_POPCNT : 0);
info |= (c & bit_PCLMUL ? CPUINFO_PCLMUL : 0);
/* Our AES support requires PSHUFB as well. */
info |= ((c & bit_AES) && (c & bit_SSSE3) ? CPUINFO_AES : 0);