[r12-5378 Regression] FAIL: gcc.target/i386/avx512fp16-vector-complex-float.c scan-assembler-times vfmaddcph[ \\t] 1 on Linux/x86_64

sunil.k.pandey skpandey@sc.intel.com
Thu Nov 18 21:41:39 GMT 2021


On Linux/x86_64,

4f0a2f5a3ddb1024b885c066a18caae4d733bb6c is the first bad commit
commit 4f0a2f5a3ddb1024b885c066a18caae4d733bb6c
Author: Tamar Christina <tamar.christina@arm.com>
Date:   Thu Nov 18 17:10:36 2021 +0000

    middle-end: check that both sides of complex expression is a mul.

caused

FAIL: gcc.target/i386/avx512fp16-vector-complex-float.c scan-assembler-not vfmadd[123]*ph[ \\t]
FAIL: gcc.target/i386/avx512fp16-vector-complex-float.c scan-assembler-times vfcmaddcph[ \\t] 1
FAIL: gcc.target/i386/avx512fp16-vector-complex-float.c scan-assembler-times vfmaddcph[ \\t] 1

with GCC configured with

../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-5378/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap

To reproduce:

$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512fp16-vector-complex-float.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512fp16-vector-complex-float.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512fp16-vector-complex-float.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512fp16-vector-complex-float.c --target_board='unix{-m64\ -march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)


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