diff options
| author | Oleg Endo <olegendo@gcc.gnu.org> | 2013-12-08 22:15:59 +0000 |
|---|---|---|
| committer | Oleg Endo <olegendo@gcc.gnu.org> | 2013-12-08 22:15:59 +0000 |
| commit | 7337ddf4bfe0544121c8735624f90b6bc6bc33c3 (patch) | |
| tree | d1175879cba07a0ec229fb6fe29a736690803357 /gcc/doc | |
| parent | e1775b33f51ecff1824554750d249bedf380dd27 (diff) | |
| download | gcc-7337ddf4bfe0544121c8735624f90b6bc6bc33c3.zip gcc-7337ddf4bfe0544121c8735624f90b6bc6bc33c3.tar.gz gcc-7337ddf4bfe0544121c8735624f90b6bc6bc33c3.tar.bz2 | |
re PR target/52898 (SH Target: Inefficient DImode comparisons)
PR target/52898
PR target/51697
* common/config/sh/sh-common.c (sh_option_optimization_table): Remove
OPT_mcbranchdi entry.
* config/sh/sh.opt (mcbranchdi, mcmpeqdi): Mark as undocumented and
emit a warning.
* config/sh/sh.c (sh_option_override): Initialize TARGET_CBRANCHDI4
and TARGET_CMPEQDI_T variables.
* doc/invoke.texi (SH options): Undocument -mcbranchdi and -mcmpeqdi.
PR target/52898
PR target/51697
* gcc.target/sh/pr51697.c: New.
From-SVN: r205794
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 76149a3..bda4c19 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -959,7 +959,7 @@ See RS/6000 and PowerPC Options. -mindexed-addressing -mgettrcost=@var{number} -mpt-fixed @gol -maccumulate-outgoing-args -minvalid-symbols @gol -matomic-model=@var{atomic-model} @gol --mbranch-cost=@var{num} -mzdcbranch -mno-zdcbranch -mcbranchdi -mcmpeqdi @gol +-mbranch-cost=@var{num} -mzdcbranch -mno-zdcbranch @gol -mfused-madd -mno-fused-madd -mfsca -mno-fsca -mfsrra -mno-fsrra @gol -mpretend-cmove -mtas} @@ -20252,15 +20252,6 @@ compiler will try to prefer zero displacement branch code sequences. This is enabled by default when generating code for SH4 and SH4A. It can be explicitly disabled by specifying @option{-mno-zdcbranch}. -@item -mcbranchdi -@opindex mcbranchdi -Enable the @code{cbranchdi4} instruction pattern. - -@item -mcmpeqdi -@opindex mcmpeqdi -Emit the @code{cmpeqdi_t} instruction pattern even when @option{-mcbranchdi} -is in effect. - @item -mfused-madd @itemx -mno-fused-madd @opindex mfused-madd |