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| author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2004-11-25 18:49:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-04-07 21:04:54 -0700 |
| commit | 3578ab8fd2d9d4b35806926ac0de01c30deb2fb8 (patch) | |
| tree | 1493c9d82c4b5f874c6c109931f0293ce4047c70 /linearize.h | |
| parent | 46577fc50347e401d8d2e8890a9512b5a5962f7c (diff) | |
| download | sparse-dev-3578ab8fd2d9d4b35806926ac0de01c30deb2fb8.tar.gz | |
Do early CSE before even doing the symbol simplification.
This allows us to notice when a symbol address usage is
trivially dead, and optimize such a symbol better since
we don't have to worry about the address being used to
access it.
Diffstat (limited to 'linearize.h')
| -rw-r--r-- | linearize.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/linearize.h b/linearize.h index 237e8960..adc900ae 100644 --- a/linearize.h +++ b/linearize.h @@ -58,8 +58,8 @@ struct instruction { struct pseudo_list *phi_list; }; struct /* unops */ { - struct symbol *orig_type; /* casts */ pseudo_t src; + struct symbol *orig_type; /* casts */ unsigned int offset; /* memops */ }; struct /* binops */ { @@ -73,8 +73,8 @@ struct instruction { int begin, end; }; struct /* setval */ { + pseudo_t symbol; /* Subtle: same offset as "src" !! */ struct expression *val; - struct symbol *symbol; }; struct /* call */ { pseudo_t func; |