Regressions on native/releases/gcc-10 at commit r10-8719 vs commit r10-8712 on Linux/x86_64

[H. J. Lu]

New failures:

New passes:
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]16[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]16[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]16[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]32[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]32[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]32[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]64[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]64[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]64[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]8[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]8[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vmovdq[au]8[\t ] 6
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vpcmp[bwdq][\t ] 4
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vpcmp[bwdq][\t ] 4
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vpcmp[bwdq][\t ] 4
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vpcmpu[bwdq][\t ] 4
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vpcmpu[bwdq][\t ] 4
FAIL: gcc.target/i386/pr92865-1.c scan-assembler-times vpcmpu[bwdq][\t ] 4