diff options
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -3112,6 +3112,7 @@ fold_rtx (rtx x, rtx_insn *insn) int i; rtx new_rtx = 0; int changed = 0; + poly_int64 xval; /* Operands of X. */ /* Workaround -Wmaybe-uninitialized false positive during @@ -3592,12 +3593,11 @@ fold_rtx (rtx x, rtx_insn *insn) case MINUS: /* If we have (MINUS Y C), see if Y is known to be (PLUS Z C2). If so, produce (PLUS Z C2-C). */ - if (const_arg1 != 0 && CONST_INT_P (const_arg1)) + if (const_arg1 != 0 && poly_int_rtx_p (const_arg1, &xval)) { rtx y = lookup_as_function (XEXP (x, 0), PLUS); - if (y && CONST_INT_P (XEXP (y, 1))) - return fold_rtx (plus_constant (mode, copy_rtx (y), - -INTVAL (const_arg1)), + if (y && poly_int_rtx_p (XEXP (y, 1))) + return fold_rtx (plus_constant (mode, copy_rtx (y), -xval), NULL); } |