Regressions on native/master at commit r15-1330 vs commit r15-1328 on Linux/x86_64

[Haochen Jiang via Gcc-regression]

Regressions on master at commit r15-1330 vs commit r15-1328 on Linux/x86_64
New failures:
FAIL: gcc.target/i386/vect-strided-3.c scan-assembler-times movq 4
New passes:
FAIL: gcc.target/i386/vect-strided-3.c scan-assembler-times movhps 2