Regressions on master at commit r15-3569 vs commit r15-3560 on Linux/x86_64

[Haochen Jiang]

Regressions on master at commit r15-3569 vs commit r15-3560 on Linux/x86_64
New failures:

New passes:
FAIL: gcc.target/i386/avx10_2-partial-bf-vector-fma-1.c scan-assembler-times vfmadd132nepbf16[ \\t]+[^{\n]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+(?:\n|[ \\t]+#) 2
FAIL: gcc.target/i386/avx10_2-partial-bf-vector-fma-1.c scan-assembler-times vfmsub132nepbf16[ \\t]+[^{\n]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+(?:\n|[ \\t]+#) 2
FAIL: gcc.target/i386/avx10_2-partial-bf-vector-fma-1.c scan-assembler-times vfnmadd132nepbf16[ \\t]+[^{\n]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+(?:\n|[ \\t]+#) 2
FAIL: gcc.target/i386/avx10_2-partial-bf-vector-fma-1.c scan-assembler-times vfnmsub132nepbf16[ \\t]+[^{\n]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+[^\n\r]*%xmm[0-9]+(?:\n|[ \\t]+#) 2