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local-alloc.c (update_equiv_regs): Check the correct insn for pre-existing REG_EQUIV notes. 

* local-alloc.c (update_equiv_regs): Check the correct insn
        for pre-existing REG_EQUIV notes.

From-SVN: r30111
This commit is contained in:
Jeffrey A Law 1999-10-21 05:01:02 +00:00 committed by Jeff Law
parent 16b702cd43
commit b768aa38c2
2 changed files with 7 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
* local-alloc.c (update_equiv_regs): Check the correct insn
for pre-existing REG_EQUIV notes.
Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
* cse.c (cse_end_of_basic_block): Don't return the end of a basic

3
gcc/local-alloc.c
View File

@ -761,7 +761,8 @@ update_equiv_regs ()
&& REG_N_SETS (regno) == 1
&& reg_equiv_init_insns[regno] != 0
&& reg_equiv_init_insns[regno] != const0_rtx
&& ! find_reg_note (insn, REG_EQUIV, NULL_RTX)
&& ! find_reg_note (XEXP (reg_equiv_init_insns[regno], 0),
REG_EQUIV, NULL_RTX)
&& ! contains_replace_regs (XEXP (dest, 0), reg_equiv_replace))
{
rtx init_insn = XEXP (reg_equiv_init_insns[regno], 0);