Regressions on master at commit r12-7688 vs commit r12-7683 on Linux/x86_64

[H.J. Lu]

New failures:
FAIL: gcc.target/i386/bt-5.c scan-assembler-not sar[lq][ \t]
FAIL: gcc.target/i386/bt-5.c scan-assembler-times bt[lq][ \t] 7

New passes:
FAIL: gcc.dg/tree-ssa/phi-opt-21.c scan-tree-dump phiopt4 "converted to straightline code"
FAIL: gcc.dg/tree-ssa/phi-opt-21.c scan-tree-dump phiopt4 "converted to straightline code"
FAIL: gcc.dg/tree-ssa/phi-opt-21.c scan-tree-dump phiopt4 "converted to straightline code"
FAIL: gcc.dg/tree-ssa/pr18134.c scan-tree-dump-times optimized "= a_..D. != 0" 1
FAIL: gcc.dg/tree-ssa/pr18134.c scan-tree-dump-times optimized "= a_..D. != 0" 1
FAIL: gcc.dg/tree-ssa/pr18134.c scan-tree-dump-times optimized "= a_..D. != 0" 1
FAIL: gcc.dg/tree-ssa/pr96480.c scan-tree-dump optimized " = _[0-9]* <= 3;"
FAIL: gcc.dg/tree-ssa/pr96480.c scan-tree-dump optimized " = _[0-9]* <= 3;"
FAIL: gcc.dg/tree-ssa/pr96480.c scan-tree-dump optimized " = _[0-9]* <= 3;"
FAIL: gcc.dg/tree-ssa/sccp-2.c scan-tree-dump-times optimized "bb" 1
FAIL: gcc.dg/tree-ssa/sccp-2.c scan-tree-dump-times optimized "bb" 1
FAIL: gcc.dg/tree-ssa/sccp-2.c scan-tree-dump-times optimized "bb" 1
FAIL: gcc.dg/tree-ssa/ssa-hoist-4.c scan-tree-dump-times optimized "MAX_EXPR" 1
FAIL: gcc.dg/tree-ssa/ssa-hoist-4.c scan-tree-dump-times optimized "MAX_EXPR" 1
FAIL: gcc.dg/tree-ssa/ssa-hoist-4.c scan-tree-dump-times optimized "MAX_EXPR" 1
FAIL: gcc.target/i386/pr95852-1.c scan-assembler-times \tjn?o\t 16
FAIL: gcc.target/i386/pr95852-1.c scan-assembler-times \tjn?o\t 16
FAIL: gcc.target/i386/pr95852-1.c scan-assembler-times \tjn?o\t 16
FAIL: gcc.target/i386/pr95852-1.c scan-assembler-times \tsetno\t 8
FAIL: gcc.target/i386/pr95852-1.c scan-assembler-times \tsetno\t 8
FAIL: gcc.target/i386/pr95852-1.c scan-assembler-times \tsetno\t 8
FAIL: gcc.target/i386/pr95852-1.c scan-assembler-times \tseto\t 8
FAIL: gcc.target/i386/pr95852-1.c scan-assembler-times \tseto\t 8
FAIL: gcc.target/i386/pr95852-1.c scan-assembler-times \tseto\t 8
FAIL: gcc.target/i386/pr95852-2.c scan-assembler-times \tjn?o\t 16
FAIL: gcc.target/i386/pr95852-2.c scan-assembler-times \tjn?o\t 16
FAIL: gcc.target/i386/pr95852-2.c scan-assembler-times \tjn?o\t 16
FAIL: gcc.target/i386/pr95852-2.c scan-assembler-times \tseto\t 8
FAIL: gcc.target/i386/pr95852-2.c scan-assembler-times \tseto\t 8
FAIL: gcc.target/i386/pr95852-2.c scan-assembler-times \tseto\t 8
FAIL: gcc.target/i386/pr95852-3.c scan-assembler-times \tjn?o\t 16
FAIL: gcc.target/i386/pr95852-3.c scan-assembler-times \tjn?o\t 16
FAIL: gcc.target/i386/pr95852-3.c scan-assembler-times \tjn?o\t 16
FAIL: gcc.target/i386/pr95852-3.c scan-assembler-times \tsetno\t 8
FAIL: gcc.target/i386/pr95852-3.c scan-assembler-times \tsetno\t 8
FAIL: gcc.target/i386/pr95852-3.c scan-assembler-times \tsetno\t 8
FAIL: gcc.target/i386/pr95852-3.c scan-assembler-times \tseto\t 8
FAIL: gcc.target/i386/pr95852-3.c scan-assembler-times \tseto\t 8
FAIL: gcc.target/i386/pr95852-3.c scan-assembler-times \tseto\t 8
FAIL: gcc.target/i386/pr95852-4.c scan-assembler-times \tjn?o\t 16
FAIL: gcc.target/i386/pr95852-4.c scan-assembler-times \tjn?o\t 16
FAIL: gcc.target/i386/pr95852-4.c scan-assembler-times \tjn?o\t 16
FAIL: gcc.target/i386/pr95852-4.c scan-assembler-times \tseto\t 8
FAIL: gcc.target/i386/pr95852-4.c scan-assembler-times \tseto\t 8
FAIL: gcc.target/i386/pr95852-4.c scan-assembler-times \tseto\t 8