Diffusion libgcrypt 22db6237de00

Make BMI2 inline assembly check more robust
22db6237de00
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Description

Make BMI2 inline assembly check more robust

* configure.ac (gcry_cv_gcc_inline_asm_bmi2): New assembly test.

Use actual assembly snippets from keccak.c to check that compiler
has proper support for used BMI2 instructions.

(cherry picked from commit 135250e3060e79be698d4f36a819aa8a880789f8)

GnuPG-bug-id: T3408
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>

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Provenance

jukivili	Authored on Jan 6 2018, 7:26 PM
• werner	Committed on Apr 17 2018, 8:05 PM

Parents

rCbbf88f0e9d48: AES-KW: fix in-place encryption

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Tasks

T3408: keccak_permute_32.h : error: 'asm' operand requires impossible reload

Event Timeline

• werner committed rC22db6237de00: Make BMI2 inline assembly check more robust (authored by jukivili).Apr 17 2018, 8:05 PM

• werner committed rC22db6237de00: Make BMI2 inline assembly check more robust (authored by jukivili).

• werner added a task: T3408: keccak_permute_32.h : error: 'asm' operand requires impossible reload.Jun 3 2021, 7:09 PM

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rC22db6237de00

configure.ac

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