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haifa-sched.c (sched_analyze_1, [...]): Revert 2000-11-22 change.

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* haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
        Revert 2000-11-22 change.

From-SVN: r37741
This commit is contained in:
Richard Henderson 2000-11-25 10:54:33 -08:00 committed by Richard Henderson
parent 59a9e22e8e
commit 3e8aa6e31c
2 changed files with 16 additions and 3 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2000-11-25 Richard Henderson <rth@redhat.com>
* haifa-sched.c (sched_analyze_1, sched_analyze_2, sched_analyze):
Revert 2000-11-22 change.
2000-11-25 Bernd Schmidt <bernds@redhat.co.uk>
* config/i386/i386.h (FIXED_REGS): Make the three flags registers

14
gcc/haifa-sched.c
View File

@ -3405,6 +3405,11 @@ sched_analyze_1 (deps, x, insn)
}
else
SET_REGNO_REG_SET (reg_pending_clobbers, r);
/* Function calls clobber all call_used regs. */
if (global_regs[r] || (code == SET && call_used_regs[r]))
for (u = deps->last_function_call; u; u = XEXP (u, 1))
add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
}
}
else
@ -3556,6 +3561,11 @@ sched_analyze_2 (deps, x, insn)
/* ??? This should never happen. */
for (u = deps->reg_last_clobbers[r]; u; u = XEXP (u, 1))
add_dependence (insn, XEXP (u, 0), 0);
if (call_used_regs[r] || global_regs[r])
/* Function calls clobber all call_used regs. */
for (u = deps->last_function_call; u; u = XEXP (u, 1))
add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
}
}
else
@ -3998,11 +4008,9 @@ sched_analyze (deps, head, tail)
{
for (u = deps->reg_last_uses[i]; u; u = XEXP (u, 1))
add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
free_INSN_LIST_list (&deps->reg_last_uses[i]);
for (u = deps->reg_last_sets[i]; u; u = XEXP (u, 1))
add_dependence (insn, XEXP (u, 0), REG_DEP_OUTPUT);
free_INSN_LIST_list (&deps->reg_last_sets[i]);
add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
SET_REGNO_REG_SET (reg_pending_clobbers, i);
}