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regmove fixups vs pseudos
- From: DJ Delorie <dj at redhat dot com>
- To: gcc at gcc dot gnu dot org
- Date: Tue, 13 Sep 2005 20:37:11 -0400
- Subject: regmove fixups vs pseudos
Any reason why we blindly assume destination registers will be hard
registers here?
Index: regmove.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/regmove.c,v
retrieving revision 1.173
diff -p -U3 -r1.173 regmove.c
--- regmove.c 25 Aug 2005 06:44:09 -0000 1.173
+++ regmove.c 14 Sep 2005 00:27:34 -0000
@@ -1020,7 +1020,8 @@ fixup_match_2 (rtx insn, rtx dst, rtx sr
if (REG_N_CALLS_CROSSED (REGNO (src)) == 0)
break;
- if (call_used_regs [REGNO (dst)]
+ if ((REGNO(dst) < FIRST_PSEUDO_REGISTER
+ && call_used_regs [REGNO (dst)])
|| find_reg_fusage (p, CLOBBER, dst))
break;
}