[Bug target/87198] ICE in extract_insn, at recog.c:2304

Mon, 03 Sep 2018 03:23:31 -0700 

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87198

--- Comment #2 from Uroš Bizjak <ubizjak at gmail dot com> ---
I think you also need:

diff --git a/gcc/common/config/i386/i386-common.c
b/gcc/common/config/i386/i386-common.c
index 70b3c3f2fc31..edb55e542451 100644
--- a/gcc/common/config/i386/i386-common.c
+++ b/gcc/common/config/i386/i386-common.c
@@ -181,7 +181,7 @@ along with GCC; see the file COPYING3.  If not see
 #define OPTION_MASK_ISA_AVX_UNSET \
   (OPTION_MASK_ISA_AVX | OPTION_MASK_ISA_FMA_UNSET \
    | OPTION_MASK_ISA_FMA4_UNSET | OPTION_MASK_ISA_F16C_UNSET \
-   | OPTION_MASK_ISA_AVX2_UNSET | OPTION_MASK_ISA_XSAVE_UNSET)
+   | OPTION_MASK_ISA_AVX2_UNSET)
 #define OPTION_MASK_ISA_FMA_UNSET OPTION_MASK_ISA_FMA
 #define OPTION_MASK_ISA_FXSR_UNSET OPTION_MASK_ISA_FXSR
 #define OPTION_MASK_ISA_XSAVE_UNSET \

so -mno-avx won't turn off -mxsave.

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