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| author | uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-11-26 16:49:20 +0000 |
|---|---|---|
| committer | uros <uros@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-11-26 16:49:20 +0000 |
| commit | 7c1a3226fb6830fb586f626481c57d4cf9e60deb (patch) | |
| tree | 6f7ebfee7031b23d16d855839c19d331e91eb768 | |
| parent | 2a6a269962210c5ebe0c194e448bb06d7e3ac218 (diff) | |
| download | gcc-7c1a3226fb6830fb586f626481c57d4cf9e60deb.tar.gz | |
* config/i386/sync.md (memory_barrier_nosse): Disable also for
TARGET_64BIT. Remove special asm template for TARGET_64BIT case.
(memory_barrier): Do not generate memory_barrier_nosse instruction
for TARGET_64BIT.
* config/i386/sse.md (*sse2_mfence): Also enable for TARGET_64BIT.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@142224 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 10 | ||||
| -rw-r--r-- | gcc/config/i386/sse.md | 2 | ||||
| -rw-r--r-- | gcc/config/i386/sync.md | 12 |
3 files changed, 13 insertions, 11 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 9238560a6d7..8efb64aa46d 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +2008-11-26 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/sync.md (memory_barrier_nosse): Disable also for + TARGET_64BIT. Remove special asm template for TARGET_64BIT case. + (memory_barrier): Do not generate memory_barrier_nosse instruction + for TARGET_64BIT. + * config/i386/sse.md (*sse2_mfence): Also enable for TARGET_64BIT. + 2008-11-26 Fredrik Unger <fred@tree.se> * config/soft-fp/floatuntisf.c (__floatuntisf): Correct @@ -78,7 +86,7 @@ 2008-11-25 Uros Bizjak <ubizjak@gmail.com> PR target/38254 - * config/i386/sync.md (memory_barrier_nosse): New insn + * config/i386/sync.md (memory_barrier_nosse): New insn pattern. (memory_barrier): Generate memory_barrier_nosse insn for !TARGET_SSE2. 2008-11-24 Maxim Kuvyrkov <maxim@codesourcery.com> diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md index 48c9f6d0c1d..997edc598ae 100644 --- a/gcc/config/i386/sse.md +++ b/gcc/config/i386/sse.md @@ -7719,7 +7719,7 @@ (define_insn "*sse2_mfence" [(set (match_operand:BLK 0 "" "") (unspec:BLK [(match_dup 0)] UNSPEC_MFENCE))] - "TARGET_SSE2" + "TARGET_64BIT || TARGET_SSE2" "mfence" [(set_attr "type" "sse") (set_attr "memory" "unknown")]) diff --git a/gcc/config/i386/sync.md b/gcc/config/i386/sync.md index 8aad0c47217..4b36d452c4a 100644 --- a/gcc/config/i386/sync.md +++ b/gcc/config/i386/sync.md @@ -39,7 +39,7 @@ operands[0] = gen_rtx_MEM (BLKmode, gen_rtx_SCRATCH (Pmode)); MEM_VOLATILE_P (operands[0]) = 1; - if (!TARGET_SSE2) + if (!(TARGET_64BIT || TARGET_SSE2)) { emit_insn (gen_memory_barrier_nosse (operands[0])); DONE; @@ -50,14 +50,8 @@ [(set (match_operand:BLK 0 "" "") (unspec:BLK [(match_dup 0)] UNSPEC_MFENCE)) (clobber (reg:CC FLAGS_REG))] - - "!TARGET_SSE2" -{ - if (TARGET_64BIT) - return "lock{%;| }or{q}\t{$0, (%%rsp)|QWORD PTR [rsp], 0}"; - else - return "lock{%;| }or{l}\t{$0, (%%esp)|DWORD PTR [esp], 0}"; -} + "!(TARGET_64BIT || TARGET_SSE2)" + "lock{%;| }or{l}\t{$0, (%%esp)|DWORD PTR [esp], 0}" [(set_attr "memory" "unknown")]) ;; ??? It would be possible to use cmpxchg8b on pentium for DImode |