From: Ulrich Weigand Date: Tue, 12 Mar 2002 21:02:24 +0000 (+0000) Subject: reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent is not a valid memor... X-Git-Tag: releases/gcc-3.3.0~6493 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=6a45951fb24c1e9196b11f68d7c3ad79a54512cf;p=thirdparty%2Fgcc.git reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent is not a valid memory_operand. * reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent is not a valid memory_operand. From-SVN: r50681 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 87e5ca1afcfe..5f02f1535830 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2002-03-12 Ulrich Weigand + + * reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent + is not a valid memory_operand. + 2002-03-12 Bob Wilson * config/xtensa/xtensa-config.h: Define XCHAL_HAVE_LOOPS. diff --git a/gcc/reload1.c b/gcc/reload1.c index a3519efe3c40..fce489da0d02 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -790,7 +790,12 @@ reload (first, global) i = REGNO (SET_DEST (set)); if (i > LAST_VIRTUAL_REGISTER) { - if (GET_CODE (x) == MEM) + /* It can happen that a REG_EQUIV note contains a MEM + that is not a legitimate memory operand. As later + stages of reload assume that all addresses found + in the reg_equiv_* arrays were originally legitimate, + we ignore such REG_EQUIV notes. */ + if (memory_operand (x, VOIDmode)) { /* Always unshare the equivalence, so we can substitute into this insn without touching the