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| author | Uros Bizjak <ubizjak@gmail.com> | 2012-10-29 17:41:41 +0100 |
|---|---|---|
| committer | Uros Bizjak <uros@gcc.gnu.org> | 2012-10-29 17:41:41 +0100 |
| commit | e34e52073e7bd69a060412afa6d9b2e5a894b976 (patch) | |
| tree | f9c9487ea965de0f15ffd5c06edd826ac2aea1b0 /gcc | |
| parent | 163497f1a3f8225a05f9f3d6c7922e1e23c95fdf (diff) | |
| download | gcc-e34e52073e7bd69a060412afa6d9b2e5a894b976.zip gcc-e34e52073e7bd69a060412afa6d9b2e5a894b976.tar.gz gcc-e34e52073e7bd69a060412afa6d9b2e5a894b976.tar.bz2 | |
i386.c (ix86_decompose_address): Use simplify_gen_subreg for all addresses, zero-extended with AND.
* config/i386/i386.c (ix86_decompose_address): Use simplify_gen_subreg
for all addresses, zero-extended with AND.
From-SVN: r192950
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/i386/i386.c | 20 |
2 files changed, 9 insertions, 16 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cf534c6..b0a8354 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-10-29 Uros Bizjak <ubizjak@gmail.com> + + * config/i386/i386.c (ix86_decompose_address): Use simplify_gen_subreg + for all addresses, zero-extended with AND. + 2012-10-29 Vladimir Makarov <vmakarov@redhat.com> PR middle-end/55116 diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 2931e62..e0994e7 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -11810,23 +11810,11 @@ ix86_decompose_address (rtx addr, struct ix86_address *out) else if (GET_CODE (addr) == AND && const_32bit_mask (XEXP (addr, 1), DImode)) { - addr = XEXP (addr, 0); + addr = simplify_gen_subreg (SImode, XEXP (addr, 0), DImode, 0); + if (addr == NULL_RTX) + return 0; - /* Adjust SUBREGs. */ - if (GET_CODE (addr) == SUBREG - && GET_MODE (SUBREG_REG (addr)) == SImode) - { - addr = SUBREG_REG (addr); - if (CONST_INT_P (addr)) - return 0; - } - else if (GET_MODE (addr) == DImode) - { - addr = simplify_gen_subreg (SImode, addr, DImode, 0); - if (addr == NULL_RTX) - return 0; - } - else if (GET_MODE (addr) != VOIDmode) + if (CONST_INT_P (addr)) return 0; } } |