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* haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET. 

From-SVN: r25752
This commit is contained in:
Richard Henderson 1999-03-13 09:38:17 -08:00 committed by Richard Henderson
parent 98941e0190
commit b452ec852d
2 changed files with 6 additions and 2 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
Sat Mar 13 17:37:18 1999 Richard Henderson <rth@cygnus.com>
* haifa-sched.c (sched_analyze_1): Only clear reg_last_uses on a SET.
Sat Mar 13 11:36:16 1999 Richard Earnshaw (rearnsha@arm.com)
* arm.c (arm_split_constant): Don't try to force a constant to

4
gcc/haifa-sched.c
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@ -3357,7 +3357,6 @@ sched_analyze_1 (x, insn)
for (u = reg_last_uses[regno + i]; u; u = XEXP (u, 1))
add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
reg_last_uses[regno + i] = 0;
for (u = reg_last_sets[regno + i]; u; u = XEXP (u, 1))
add_dependence (insn, XEXP (u, 0), REG_DEP_OUTPUT);
@ -3366,6 +3365,7 @@ sched_analyze_1 (x, insn)
but sets must be ordered with respect to a pending clobber. */
if (code == SET)
{
reg_last_uses[regno + i] = 0;
for (u = reg_last_clobbers[regno + i]; u; u = XEXP (u, 1))
add_dependence (insn, XEXP (u, 0), REG_DEP_OUTPUT);
SET_REGNO_REG_SET (reg_pending_sets, regno + i);
@ -3386,13 +3386,13 @@ sched_analyze_1 (x, insn)
for (u = reg_last_uses[regno]; u; u = XEXP (u, 1))
add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
reg_last_uses[regno] = 0;
for (u = reg_last_sets[regno]; u; u = XEXP (u, 1))
add_dependence (insn, XEXP (u, 0), REG_DEP_OUTPUT);
if (code == SET)
{
reg_last_uses[regno] = 0;
for (u = reg_last_clobbers[regno]; u; u = XEXP (u, 1))
add_dependence (insn, XEXP (u, 0), REG_DEP_OUTPUT);
SET_REGNO_REG_SET (reg_pending_sets, regno);