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| author | Pat Haugen <pthaugen@us.ibm.com> | 2007-09-06 13:51:21 +0000 |
|---|---|---|
| committer | Pat Haugen <pthaugen@gcc.gnu.org> | 2007-09-06 13:51:21 +0000 |
| commit | bd379f7328b2ff3b17f5845dbe49796f97a79c25 (patch) | |
| tree | 620790cc14778ca43ae1261ccbee1a3cae2f9cfd /gcc/regrename.c | |
| parent | 200809cbbf0d8e99ce059e82494b8bd3a5c16ca9 (diff) | |
| download | gcc-bd379f7328b2ff3b17f5845dbe49796f97a79c25.zip gcc-bd379f7328b2ff3b17f5845dbe49796f97a79c25.tar.gz gcc-bd379f7328b2ff3b17f5845dbe49796f97a79c25.tar.bz2 | |
reload.c (find_reloads_address_1): Try to preserve original base/index regclass of operands.
ChangeLog:
2007-09-06 Pat Haugen <pthaugen@us.ibm.com>
* reload.c (find_reloads_address_1): Try to preserve original
base/index regclass of operands.
* regrename.c (scan_rtx_address): Likewise.
(replace_oldest_value_addr): Likewise.
From-SVN: r128183
Diffstat (limited to 'gcc/regrename.c')
| -rw-r--r-- | gcc/regrename.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/gcc/regrename.c b/gcc/regrename.c index a15d675..74112c3 100644 --- a/gcc/regrename.c +++ b/gcc/regrename.c @@ -559,20 +559,19 @@ scan_rtx_address (rtx insn, rtx *loc, enum reg_class cl, int index_op; unsigned regno0 = REGNO (op0), regno1 = REGNO (op1); - if (REGNO_OK_FOR_INDEX_P (regno0) - && regno_ok_for_base_p (regno1, mode, PLUS, REG)) + if (REGNO_OK_FOR_INDEX_P (regno1) + && regno_ok_for_base_p (regno0, mode, PLUS, REG)) + index_op = 1; + else if (REGNO_OK_FOR_INDEX_P (regno0) + && regno_ok_for_base_p (regno1, mode, PLUS, REG)) index_op = 0; - else if (REGNO_OK_FOR_INDEX_P (regno1) - && regno_ok_for_base_p (regno0, mode, PLUS, REG)) + else if (regno_ok_for_base_p (regno0, mode, PLUS, REG) + || REGNO_OK_FOR_INDEX_P (regno1)) index_op = 1; else if (regno_ok_for_base_p (regno1, mode, PLUS, REG)) index_op = 0; - else if (regno_ok_for_base_p (regno0, mode, PLUS, REG)) - index_op = 1; - else if (REGNO_OK_FOR_INDEX_P (regno1)) - index_op = 1; else - index_op = 0; + index_op = 1; locI = &XEXP (x, index_op); locB = &XEXP (x, !index_op); @@ -1476,20 +1475,19 @@ replace_oldest_value_addr (rtx *loc, enum reg_class cl, int index_op; unsigned regno0 = REGNO (op0), regno1 = REGNO (op1); - if (REGNO_OK_FOR_INDEX_P (regno0) - && regno_ok_for_base_p (regno1, mode, PLUS, REG)) + if (REGNO_OK_FOR_INDEX_P (regno1) + && regno_ok_for_base_p (regno0, mode, PLUS, REG)) + index_op = 1; + else if (REGNO_OK_FOR_INDEX_P (regno0) + && regno_ok_for_base_p (regno1, mode, PLUS, REG)) index_op = 0; - else if (REGNO_OK_FOR_INDEX_P (regno1) - && regno_ok_for_base_p (regno0, mode, PLUS, REG)) + else if (regno_ok_for_base_p (regno0, mode, PLUS, REG) + || REGNO_OK_FOR_INDEX_P (regno1)) index_op = 1; else if (regno_ok_for_base_p (regno1, mode, PLUS, REG)) index_op = 0; - else if (regno_ok_for_base_p (regno0, mode, PLUS, REG)) - index_op = 1; - else if (REGNO_OK_FOR_INDEX_P (regno1)) - index_op = 1; else - index_op = 0; + index_op = 1; locI = &XEXP (x, index_op); locB = &XEXP (x, !index_op); |