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| author | Bernd Schmidt <bernds@cygnus.co.uk> | 1999-08-07 08:13:28 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1999-08-07 02:13:28 -0600 |
| commit | 05f6f07cc6e8ca6e28a662c592801c59e96e269f (patch) | |
| tree | b905e372cc75727502b2a8417ea4982d7d2917de | |
| parent | 28df416855cad98eb71c2ee4015f78bf7a4d7113 (diff) | |
| download | gcc-05f6f07cc6e8ca6e28a662c592801c59e96e269f.zip gcc-05f6f07cc6e8ca6e28a662c592801c59e96e269f.tar.gz gcc-05f6f07cc6e8ca6e28a662c592801c59e96e269f.tar.bz2 | |
gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
* gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
(cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
From-SVN: r28582
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/gcse.c | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 389be39..a9ef4a6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk> + + * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs. + (cprop_insn): Treat SYMBOL_REFs like CONST_INTs. + 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk> * config/sparc/liteelf.h: New file to support sparclite-elf target @@ -1863,8 +1863,8 @@ hash_scan_set (pat, insn, set_p) && ((GET_CODE (src) == REG && REGNO (src) >= FIRST_PSEUDO_REGISTER && can_copy_p [GET_MODE (dest)]) - /* ??? CONST_INT:wip */ || GET_CODE (src) == CONST_INT + || GET_CODE (src) == SYMBOL_REF || GET_CODE (src) == CONST_DOUBLE) /* A copy is not available if its src or dest is subsequently modified. Here we want to search from INSN+1 on, but @@ -3719,7 +3719,8 @@ cprop_insn (insn, alter_jumps) src = SET_SRC (pat); /* Constant propagation. */ - if (GET_CODE (src) == CONST_INT || GET_CODE (src) == CONST_DOUBLE) + if (GET_CODE (src) == CONST_INT || GET_CODE (src) == CONST_DOUBLE + || GET_CODE (src) == SYMBOL_REF) { /* Handle normal insns first. */ if (GET_CODE (insn) == INSN |