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| author | aoliva <aoliva@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-06-25 21:11:32 +0000 |
|---|---|---|
| committer | aoliva <aoliva@138bc75d-0d04-0410-961f-82ee72b054a4> | 2010-06-25 21:11:32 +0000 |
| commit | 8e63f6ce43800a0aca2958f08bb7afb630ecaa75 (patch) | |
| tree | f23474a4079ad669c404a6250463d5ebed00ad76 /gcc/simplify-rtx.c | |
| parent | 1011a9ca98952b1fff364a3350b9372a7ef340b0 (diff) | |
| download | gcc-8e63f6ce43800a0aca2958f08bb7afb630ecaa75.tar.gz | |
PR debug/44610
* simplify-rtx.c (delegitimize_mem_from_attrs): Don't use a base
address if the offset is unknown.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@161413 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/simplify-rtx.c')
| -rw-r--r-- | gcc/simplify-rtx.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index be63198e442..3a30e882907 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -208,10 +208,11 @@ avoid_constant_pool_reference (rtx x) rtx delegitimize_mem_from_attrs (rtx x) { + /* MEMs without MEM_OFFSETs may have been offset, so we can't just + use their base addresses as equivalent. */ if (MEM_P (x) && MEM_EXPR (x) - && (!MEM_OFFSET (x) - || GET_CODE (MEM_OFFSET (x)) == CONST_INT)) + && MEM_OFFSET (x)) { tree decl = MEM_EXPR (x); enum machine_mode mode = GET_MODE (x); @@ -264,8 +265,7 @@ delegitimize_mem_from_attrs (rtx x) { rtx newx; - if (MEM_OFFSET (x)) - offset += INTVAL (MEM_OFFSET (x)); + offset += INTVAL (MEM_OFFSET (x)); newx = DECL_RTL (decl); |