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Add allocation sinking and store sinking optimization.

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This commit is contained in:
Mike Pall
2012-07-02 23:47:12 +02:00
parent 79e1eaa73b
commit 0af3f47ba0
15 changed files with 749 additions and 88 deletions
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9
src/lj_jit.h
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@@ -63,19 +63,20 @@
#define JIT_F_OPT_NARROW 0x00200000
#define JIT_F_OPT_LOOP 0x00400000
#define JIT_F_OPT_ABC 0x00800000
#define JIT_F_OPT_FUSE 0x01000000
#define JIT_F_OPT_SINK 0x01000000
#define JIT_F_OPT_FUSE 0x02000000
/* Optimizations names for -O. Must match the order above. */
#define JIT_F_OPT_FIRST JIT_F_OPT_FOLD
#define JIT_F_OPTSTRING \
"\4fold\3cse\3dce\3fwd\3dse\6narrow\4loop\3abc\4fuse"
"\4fold\3cse\3dce\3fwd\3dse\6narrow\4loop\3abc\4sink\4fuse"
/* Optimization levels set a fixed combination of flags. */
#define JIT_F_OPT_0 0
#define JIT_F_OPT_1 (JIT_F_OPT_FOLD|JIT_F_OPT_CSE|JIT_F_OPT_DCE)
#define JIT_F_OPT_2 (JIT_F_OPT_1|JIT_F_OPT_NARROW|JIT_F_OPT_LOOP)
#define JIT_F_OPT_3 \
(JIT_F_OPT_2|JIT_F_OPT_FWD|JIT_F_OPT_DSE|JIT_F_OPT_ABC|JIT_F_OPT_FUSE)
#define JIT_F_OPT_3 (JIT_F_OPT_2|\
JIT_F_OPT_FWD|JIT_F_OPT_DSE|JIT_F_OPT_ABC|JIT_F_OPT_SINK|JIT_F_OPT_FUSE)
#define JIT_F_OPT_DEFAULT JIT_F_OPT_3
#if LJ_TARGET_WINDOWS || LJ_64