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| author | Bernd Schmidt <bernds@redhat.co.uk> | 2000-11-27 11:43:32 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2000-11-27 11:43:32 +0000 |
| commit | 70bbeb8b66198585061972bd24aca9218d0f1d87 (patch) | |
| tree | 996050d394a3a35c912470ab430f5912aada4aa4 /gcc/reload1.c | |
| parent | f98251686f1e33a6698e9d118d7f1c6a600c0c23 (diff) | |
| download | gcc-70bbeb8b66198585061972bd24aca9218d0f1d87.tar.gz | |
In cselib, do not consider constants with different modes equivalent.
From-SVN: r37792
Diffstat (limited to 'gcc/reload1.c')
| -rw-r--r-- | gcc/reload1.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index 60eac681ddf..44ff84ecaa5 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -8093,7 +8093,7 @@ reload_cse_simplify_set (set, insn) /* ??? */ old_cost = rtx_cost (src, SET); - val = cselib_lookup (src, VOIDmode, 0); + val = cselib_lookup (src, GET_MODE (SET_DEST (set)), 0); if (! val) return 0; for (l = val->locs; l; l = l->next) @@ -8178,8 +8178,11 @@ reload_cse_simplify_operands (insn) CLEAR_HARD_REG_SET (equiv_regs[i]); /* cselib blows up on CODE_LABELs. Trying to fix that doesn't seem - right, so avoid the problem here. */ - if (GET_CODE (recog_data.operand[i]) == CODE_LABEL) + right, so avoid the problem here. Likewise if we have a constant + and the insn pattern doesn't tell us the mode we need. */ + if (GET_CODE (recog_data.operand[i]) == CODE_LABEL + || (CONSTANT_P (recog_data.operand[i]) + && recog_data.operand_mode[i] == VOIDmode)) continue; v = cselib_lookup (recog_data.operand[i], recog_data.operand_mode[i], 0); |