MatCat.OpenSource/8sa1-gcc
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(stupid_mark_refs): If setting reg_where_dead, set regs_live so we

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don't later clobber it.

From-SVN: r6705
This commit is contained in:
Richard Kenner 1994-03-06 16:16:08 -05:00
parent 4d3067db2c
commit 63cc239cc6
1 changed files with 5 additions and 2 deletions
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7
gcc/stupid.c
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@ -1,5 +1,5 @@
/* Dummy data flow analysis for GNU compiler in nonoptimizing mode. /* Dummy data flow analysis for GNU compiler in nonoptimizing mode.
Copyright (C) 1987, 1991 Free Software Foundation, Inc. Copyright (C) 1987, 1991, 1994 Free Software Foundation, Inc.
This file is part of GNU CC. This file is part of GNU CC.
@ -476,7 +476,10 @@ stupid_mark_refs (x, insn)
insn so that it will conflict with any other outputs of insn so that it will conflict with any other outputs of
this insn. */ this insn. */
if (reg_where_dead[regno] < where_born + 2) if (reg_where_dead[regno] < where_born + 2)
reg_where_dead[regno] = where_born + 2; {
reg_where_dead[regno] = where_born + 2;
regs_live[regno] = 1;
}
/* Count the refs of this reg. */ /* Count the refs of this reg. */
reg_n_refs[regno]++; reg_n_refs[regno]++;