Module Name: src
Committed By: matt
Date: Thu Feb 2 13:32:18 UTC 2012
Modified Files:
src/gnu/dist/gcc4/gcc/config/vax: vax.c
Log Message:
Fix a bug in movmemsi in which couldn't handle sym(reg) expressions properly.
To generate a diff of this commit:
cvs rdiff -u -r1.15 -r1.16 src/gnu/dist/gcc4/gcc/config/vax/vax.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/gnu/dist/gcc4/gcc/config/vax/vax.c
diff -u src/gnu/dist/gcc4/gcc/config/vax/vax.c:1.15 src/gnu/dist/gcc4/gcc/config/vax/vax.c:1.16
--- src/gnu/dist/gcc4/gcc/config/vax/vax.c:1.15 Fri Apr 20 16:30:32 2007
+++ src/gnu/dist/gcc4/gcc/config/vax/vax.c Thu Feb 2 13:32:17 2012
@@ -1545,8 +1545,29 @@ mkrtx(enum rtx_code code, enum machine_m
if (GET_CODE (base) == PLUS)
{
- off += INTVAL (XEXP (base, 1));
- base = XEXP (base, 0);
+ rtx a = XEXP (base, 0);
+ rtx b = XEXP (base, 1);
+ if (GET_CODE (b) == CONST_INT)
+ {
+ off += INTVAL (b);
+ base = a;
+ }
+ else if (GET_CODE (a) == REG && GET_CODE (b) == SYMBOL_REF)
+ {
+ if (off != 0)
+ {
+ base = gen_rtx_PLUS (Pmode, a, plus_constant(b, off));
+ off = 0;
+ }
+ }
+ else if (GET_CODE (a) == REG && GET_CODE (b) == PLUS)
+ {
+ off += INTVAL (XEXP (b, 1));
+ base = gen_rtx_PLUS (Pmode, a, plus_constant(XEXP (b, 0), off));
+ off = 0;
+ }
+ else
+ gcc_assert(0);
}
if (code == POST_INC)
tmp = gen_rtx_POST_INC (SImode, base);
