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| author | Oleg Endo <olegendo@gcc.gnu.org> | 2012-08-29 18:41:52 +0000 |
|---|---|---|
| committer | Oleg Endo <olegendo@gcc.gnu.org> | 2012-08-29 18:41:52 +0000 |
| commit | 487ebcbff524a58a579f309d364c227c15980a00 (patch) | |
| tree | 76dce4c8736aa107f2468a9270ddf852eb9ed1d2 /gcc | |
| parent | 7fa4bf9bf9a74dcde2bacd2437ce341cf51ad615 (diff) | |
| download | gcc-487ebcbff524a58a579f309d364c227c15980a00.zip gcc-487ebcbff524a58a579f309d364c227c15980a00.tar.gz gcc-487ebcbff524a58a579f309d364c227c15980a00.tar.bz2 | |
sh.opt (menable-tas): Rename to mtas.
* config/sh/sh.opt (menable-tas): Rename to mtas.
* doc/invoke.texi (SH options): Likewise.
* config/sh/sync.md: Update comments.
From-SVN: r190782
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/sh/sh.opt | 2 | ||||
| -rw-r--r-- | gcc/config/sh/sync.md | 4 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 6 |
4 files changed, 12 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a9c6078..31e8f13 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,11 @@ 2012-08-29 Oleg Endo <olegendo@gcc.gnu.org> + * config/sh/sh.opt (menable-tas): Rename to mtas. + * doc/invoke.texi (SH options): Likewise. + * config/sh/sync.md: Update comments. + +2012-08-29 Oleg Endo <olegendo@gcc.gnu.org> + * config/sh/iterators.md: New file. * config/sh/sync.md (I124, I12, i124suffix): Delete. Replace usage with new iterators QIHISI, QIHI, bw, bwl respectively throughout the file. diff --git a/gcc/config/sh/sh.opt b/gcc/config/sh/sh.opt index 70b7e09..cb01810 100644 --- a/gcc/config/sh/sh.opt +++ b/gcc/config/sh/sh.opt @@ -327,7 +327,7 @@ mhard-atomic Target Report Var(TARGET_HARD_ATOMIC) Use hardware atomic sequences -menable-tas +mtas Target Report RejectNegative Var(TARGET_ENABLE_TAS) Use tas.b instruction for __atomic_test_and_set diff --git a/gcc/config/sh/sync.md b/gcc/config/sh/sync.md index 24ed5e9..aa87c57 100644 --- a/gcc/config/sh/sync.md +++ b/gcc/config/sh/sync.md @@ -26,11 +26,11 @@ ;; In addition to that all SH CPUs support the 'tas.b' instruction, which ;; can be optionally used to implement the 'atomic_test_and_set' builtin. ;; -;; tas.b atomic_test_and_set (-menable-tas) +;; tas.b atomic_test_and_set (-mtas) ;; ;; Depending on the particular hardware configuration, usage of the 'tas.b' ;; instruction might be undesired or even unsafe. Thus, it has to be -;; enabled by the user explicitely. If it is not enabled, the +;; enabled by the user explicitly. If it is not enabled, the ;; 'atomic_test_and_set' builtin is implemented either with hardware or with ;; software atomics, depending on which is enabled. It is also possible to ;; enable the 'tas.b' instruction only, without enabling support for the diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index bf7844d..876beaa 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -891,7 +891,7 @@ See RS/6000 and PowerPC Options. -maccumulate-outgoing-args -minvalid-symbols -msoft-atomic -mhard-atomic @gol -mbranch-cost=@var{num} -mzdcbranch -mno-zdcbranch -mcbranchdi -mcmpeqdi @gol -mfused-madd -mno-fused-madd -mfsca -mno-fsca -mfsrra -mno-fsrra @gol --mpretend-cmove -menable-tas} +-mpretend-cmove -mtas} @emph{Solaris 2 Options} @gccoptlist{-mimpure-text -mno-impure-text @gol @@ -18156,8 +18156,8 @@ interrupt / exception handling systems. In contrast to the @option{-msoft-atomic} option this will only use the instructions @code{movli.l} and @code{movco.l} to create atomic sequences. -@item -menable-tas -@opindex menable-tas +@item -mtas +@opindex mtas Generate the @code{tas.b} opcode for @code{__atomic_test_and_set}. Notice that depending on the particular hardware and software configuration this can degrade overall performance due to the operand cache line flushes |