diff options
Diffstat (limited to 'gcc/config/alpha/alpha.c')
| -rw-r--r-- | gcc/config/alpha/alpha.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/config/alpha/alpha.c b/gcc/config/alpha/alpha.c index d8820fa39ff..bf7c13b3138 100644 --- a/gcc/config/alpha/alpha.c +++ b/gcc/config/alpha/alpha.c @@ -3197,7 +3197,13 @@ alpha_emit_conditional_branch (enum rtx_code code) /* If the constants doesn't fit into an immediate, but can be generated by lda/ldah, we adjust the argument and compare against zero, so we can use beq/bne directly. */ - else if (GET_CODE (op1) == CONST_INT && (code == EQ || code == NE)) + /* ??? Don't do this when comparing against symbols, otherwise + we'll reduce (&x == 0x1234) to (&x-0x1234 == 0), which will + be declared false out of hand (at least for non-weak). */ + else if (GET_CODE (op1) == CONST_INT + && (code == EQ || code == NE) + && !(symbolic_operand (op0, VOIDmode) + || (GET_CODE (op0) == REG && REG_POINTER (op0)))) { HOST_WIDE_INT v = INTVAL (op1), n = -v; |