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From-SVN: r38849
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Alan Lehotsky 2001-01-10 02:34:14 +00:00 committed by Alan Lehotsky
parent fa44a93614
commit 4971426b43
2 changed files with 12 additions and 3 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
* reload.c (find_reloads_address): Check for eliminable registers
when substituting a constant expression for a pseudo.
2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
* c-common.c (enum format_type): Add format_type_error.

10
gcc/reload.c
View File

@ -4487,10 +4487,14 @@ find_reloads_address (mode, memrefloc, ad, loc, opnum, type, ind_levels, insn)
{
regno = REGNO (ad);
if (reg_equiv_constant[regno] != 0
&& strict_memory_address_p (mode, reg_equiv_constant[regno]))
/* If the register is equivalent to an invariant expression, substitute
the invariant, and eliminate any eliminable register references. */
tem = reg_equiv_constant[regno];
if (tem != 0
&& (tem = eliminate_regs (tem, mode, insn))
&& strict_memory_address_p (mode, tem))
{
*loc = ad = reg_equiv_constant[regno];
*loc = ad = tem;
return 0;
}