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| author | Richard Stallman <rms@gnu.org> | 1992-10-23 06:02:13 +0000 |
|---|---|---|
| committer | Richard Stallman <rms@gnu.org> | 1992-10-23 06:02:13 +0000 |
| commit | b5d27be7d7803e6537c3f0dce4abfe62a8b60643 (patch) | |
| tree | 3345ca79970e4a6d8796f5d20c7755d078e4b4f2 | |
| parent | b76771897a5cf5ad5301e5cca890683983dddc42 (diff) | |
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(record_biv): Clear total_benefit field of new iv_class.
(get_condition): Verify op 2 of source is label_ref before looking within.
From-SVN: r2566
| -rw-r--r-- | gcc/loop.c | 4 |
1 files changed, 3 insertions, 1 deletions
@@ -4122,6 +4122,7 @@ record_biv (v, insn, dest_reg, inc_val, mult_val, bl->eliminable = 0; bl->nonneg = 0; bl->reversed = 0; + bl->total_benefit = 0; /* Add this class to loop_iv_list. */ bl->next = loop_iv_list; @@ -6255,7 +6256,8 @@ get_condition (jump, earliest) /* If this branches to JUMP_LABEL when the condition is false, reverse the condition. */ - if (XEXP (XEXP (SET_SRC (PATTERN (jump)), 2), 0) == JUMP_LABEL (jump)) + if (GET_CODE (XEXP (SET_SRC (PATTERN (jump)), 2)) == LABEL_REF + && XEXP (XEXP (SET_SRC (PATTERN (jump)), 2), 0) == JUMP_LABEL (jump)) code = reverse_condition (code), did_reverse_condition ^= 1; /* If we are comparing a register with zero, see if the register is set |