diff options
Diffstat (limited to 'gcc/explow.c')
| -rw-r--r-- | gcc/explow.c | 33 |
1 files changed, 12 insertions, 21 deletions
diff --git a/gcc/explow.c b/gcc/explow.c index 8f0b52f..13a7b82 100644 --- a/gcc/explow.c +++ b/gcc/explow.c @@ -363,36 +363,28 @@ convert_memory_address (to_mode, x) return x; case SUBREG: - if (POINTERS_EXTEND_UNSIGNED >= 0 - && (SUBREG_PROMOTED_VAR_P (x) || REG_POINTER (SUBREG_REG (x))) + if ((SUBREG_PROMOTED_VAR_P (x) || REG_POINTER (SUBREG_REG (x))) && GET_MODE (SUBREG_REG (x)) == to_mode) return SUBREG_REG (x); break; case LABEL_REF: - if (POINTERS_EXTEND_UNSIGNED >= 0) - { - temp = gen_rtx_LABEL_REF (to_mode, XEXP (x, 0)); - LABEL_REF_NONLOCAL_P (temp) = LABEL_REF_NONLOCAL_P (x); - return temp; - } + temp = gen_rtx_LABEL_REF (to_mode, XEXP (x, 0)); + LABEL_REF_NONLOCAL_P (temp) = LABEL_REF_NONLOCAL_P (x); + return temp; break; case SYMBOL_REF: - if (POINTERS_EXTEND_UNSIGNED >= 0) - { - temp = gen_rtx_SYMBOL_REF (to_mode, XSTR (x, 0)); - SYMBOL_REF_FLAG (temp) = SYMBOL_REF_FLAG (x); - CONSTANT_POOL_ADDRESS_P (temp) = CONSTANT_POOL_ADDRESS_P (x); - STRING_POOL_ADDRESS_P (temp) = STRING_POOL_ADDRESS_P (x); - return temp; - } + temp = gen_rtx_SYMBOL_REF (to_mode, XSTR (x, 0)); + SYMBOL_REF_FLAG (temp) = SYMBOL_REF_FLAG (x); + CONSTANT_POOL_ADDRESS_P (temp) = CONSTANT_POOL_ADDRESS_P (x); + STRING_POOL_ADDRESS_P (temp) = STRING_POOL_ADDRESS_P (x); + return temp; break; case CONST: - if (POINTERS_EXTEND_UNSIGNED >= 0) - return gen_rtx_CONST (to_mode, - convert_memory_address (to_mode, XEXP (x, 0))); + return gen_rtx_CONST (to_mode, + convert_memory_address (to_mode, XEXP (x, 0))); break; case PLUS: @@ -401,8 +393,7 @@ convert_memory_address (to_mode, x) permute the conversion and addition operation. We can always safely permute them if we are making the address narrower. In addition, always permute the operations if this is a constant. */ - if (POINTERS_EXTEND_UNSIGNED >= 0 - && (GET_MODE_SIZE (to_mode) < GET_MODE_SIZE (from_mode) + if ((GET_MODE_SIZE (to_mode) < GET_MODE_SIZE (from_mode) || (GET_CODE (x) == PLUS && GET_CODE (XEXP (x, 1)) == CONST_INT && (INTVAL (XEXP (x, 1)) + 20000 < 40000 || CONSTANT_P (XEXP (x, 0)))))) |