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author | raksit <raksit@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-01-11 04:20:32 +0000 |
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committer | raksit <raksit@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-01-11 04:20:32 +0000 |
commit | 5bed1dca2160c7761b2274c33088cece233d5ac8 (patch) | |
tree | c20963f4cf9d25ceb53cacc6ed4dbca6306ab622 /gcc/combine.c | |
parent | 8fbaeb05fd21c2467b03a3c5ea96e8b6678f1f8e (diff) | |
download | gcc-5bed1dca2160c7761b2274c33088cece233d5ac8.tar.gz |
gcc/ChangeLog
PR rtl-optimization/27971
* combine.c (find_split_point): introduced a new split for certain
types of mem rtx.
gcc/testsuite/ChangeLog
PR rtl-optimization/27971
* gcc.target/i386/pr27971.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@131460 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/combine.c')
-rw-r--r-- | gcc/combine.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index b3d064d3f11..43623a4fbc4 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -3967,6 +3967,15 @@ find_split_point (rtx *loc, rtx insn) && OBJECT_P (SUBREG_REG (XEXP (XEXP (x, 0), 0))))) return &XEXP (XEXP (x, 0), 0); } + + /* If we have a PLUS whose first operand is complex, try computing it + separately by making a split there. */ + if (GET_CODE (XEXP (x, 0)) == PLUS + && ! memory_address_p (GET_MODE (x), XEXP (x, 0)) + && ! OBJECT_P (XEXP (XEXP (x, 0), 0)) + && ! (GET_CODE (XEXP (XEXP (x, 0), 0)) == SUBREG + && OBJECT_P (SUBREG_REG (XEXP (XEXP (x, 0), 0))))) + return &XEXP (XEXP (x, 0), 0); break; case SET: |