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gallium: Don't pass avx512er and avx512pf features on LLVM 19

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These target features have been remove in LLVM 19, and cause
warnings like the following to be printed:

    '-avx512er' is not a recognized feature for this target (ignoring feature)
    '-avx512pf' is not a recognized feature for this target (ignoring feature)

Do not pass these target features on LLVM 19 and newer.

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/11870
Reviewed-by: Dave Airlie <airlied@redhat.com>
Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31321>
(cherry picked from commit a8eed9cca2)
This commit is contained in:
Nikita Popov 2024-09-23 15:42:32 +02:00 • committed by Eric Engestrom
parent 0aa2d2ce71
commit 6ca857a801
2 changed files with 3 additions and 1 deletions
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2
.pick_status.json
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@ -1354,7 +1354,7 @@
"description": "gallium: Don't pass avx512er and avx512pf features on LLVM 19",
"nominated": true,
"nomination_type": 0,
"resolution": 0,
"resolution": 1,
"main_sha": null,
"because_sha": null,
"notes": null

2
src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
View file

@ -370,8 +370,10 @@ lp_build_fill_mattrs(std::vector<std::string> &MAttrs)
/* All avx512 have avx512f */
MAttrs.push_back(util_get_cpu_caps()->has_avx512f ? "+avx512f" : "-avx512f");
MAttrs.push_back(util_get_cpu_caps()->has_avx512cd ? "+avx512cd" : "-avx512cd");
#if LLVM_VERSION_MAJOR < 19
MAttrs.push_back(util_get_cpu_caps()->has_avx512er ? "+avx512er" : "-avx512er");
MAttrs.push_back(util_get_cpu_caps()->has_avx512pf ? "+avx512pf" : "-avx512pf");
#endif
MAttrs.push_back(util_get_cpu_caps()->has_avx512bw ? "+avx512bw" : "-avx512bw");
MAttrs.push_back(util_get_cpu_caps()->has_avx512dq ? "+avx512dq" : "-avx512dq");
MAttrs.push_back(util_get_cpu_caps()->has_avx512vl ? "+avx512vl" : "-avx512vl");