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author | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-11-28 21:45:03 +0000 |
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committer | rsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-11-28 21:45:03 +0000 |
commit | 69bdc9bfb10a970b8a18c8293913a06a58085482 (patch) | |
tree | 5a0889a54ea81d229c3829d0a07454d20ff7e0e5 | |
parent | 062c246b824a38f92cfd287b22e8a5a9744421f1 (diff) | |
download | gcc-69bdc9bfb10a970b8a18c8293913a06a58085482.tar.gz |
gcc/
PR rtl-optimization/55052
* simplify-rtx.c (simplify_subreg): Restore SCALAR_INT_MODE_P check.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@193909 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r-- | gcc/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/simplify-rtx.c | 2 |
2 files changed, 6 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 83edb9b1965..b4febea6753 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-11-28 Richard Sandiford <rdsandiford@googlemail.com> + + PR rtl-optimization/55052 + * simplify-rtx.c (simplify_subreg): Restore SCALAR_INT_MODE_P check. + 2012-11-28 David Edelsohn <dje.gcc@gmail.com> * target.def (use_blocks_for_decl_p): New hook. diff --git a/gcc/simplify-rtx.c b/gcc/simplify-rtx.c index 46d9e8a1ede..f26f0083cf6 100644 --- a/gcc/simplify-rtx.c +++ b/gcc/simplify-rtx.c @@ -5875,7 +5875,7 @@ simplify_subreg (enum machine_mode outermode, rtx op, /* A SUBREG resulting from a zero extension may fold to zero if it extracts higher bits that the ZERO_EXTEND's source bits. */ - if (GET_CODE (op) == ZERO_EXTEND) + if (GET_CODE (op) == ZERO_EXTEND && SCALAR_INT_MODE_P (innermode)) { unsigned int bitpos = subreg_lsb_1 (outermode, innermode, byte); if (bitpos >= GET_MODE_PRECISION (GET_MODE (XEXP (op, 0)))) |