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| author | Richard Kenner <kenner@vlsi1.ultra.nyu.edu> | 2001-07-10 22:09:10 +0000 |
|---|---|---|
| committer | Richard Kenner <kenner@gcc.gnu.org> | 2001-07-10 18:09:10 -0400 |
| commit | 07217645f7ab36e65d91ff5ab0d8778ba9f924b5 (patch) | |
| tree | 75d83831603917d240d2a453239b4b0485baae9c /gcc/recog.c | |
| parent | 91667711832211a065a5bff2484c26390197986e (diff) | |
| download | gcc-07217645f7ab36e65d91ff5ab0d8778ba9f924b5.tar.gz | |
recog.c (offsettable_address_p): Handle LO_SUM case.
* recog.c (offsettable_address_p): Handle LO_SUM case.
* config/mips/mips.c (double_memory_operand): Use adjust_address_nv
instead of plus_constant.
From-SVN: r43912
Diffstat (limited to 'gcc/recog.c')
| -rw-r--r-- | gcc/recog.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/gcc/recog.c b/gcc/recog.c index 01bc1f3a373..26ff0302189 100644 --- a/gcc/recog.c +++ b/gcc/recog.c @@ -1963,9 +1963,13 @@ offsettable_address_p (strictp, mode, y) /* The offset added here is chosen as the maximum offset that any instruction could need to add when operating on something of the specified mode. We assume that if Y and Y+c are - valid addresses then so is Y+d for all 0<d<c. */ - - z = plus_constant (y, mode_sz - 1); + valid addresses then so is Y+d for all 0<d<c. adjust_address will + go inside a LO_SUM here, so we do so as well. */ + if (GET_CODE (y) == LO_SUM) + z = gen_rtx_LO_SUM (GET_MODE (y), XEXP (y, 0), + plus_constant (XEXP (y, 1), mode_sz - 1)); + else + z = plus_constant (y, mode_sz - 1); /* Use QImode because an odd displacement may be automatically invalid for any wider mode. But it should be valid for a single byte. */ |