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[PATCH] x86emul: fix SIMD test overriding of VBROADCASTS{S,D}
- To: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Fri, 11 Feb 2022 12:11:26 +0100
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- Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Fri, 11 Feb 2022 11:11:36 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Despite their suffixes these aren't scalar instructions, and hence the
128- and 256-bit EVEX forms may not be used without AVX512VL. Gcc11 ends
up generating such instances for simd-sg.c.
Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
--- a/tools/tests/x86_emulator/simd.h
+++ b/tools/tests/x86_emulator/simd.h
@@ -250,7 +250,9 @@ asm ( ".macro override insn \n\t"
# define OVR_INT(n) OVR_BW(n); OVR_DQ(n)
OVR_INT(broadcast);
+# ifdef __AVX512VL__
OVR_SFP(broadcast);
+# endif
OVR_SFP(comi);
OVR_VFP(cvtdq2);
OVR_INT(abs);
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