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| author | Alasdair Baird <alasdair@wildcat.demon.co.uk> | 1998-07-02 00:55:45 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-07-01 18:55:45 -0600 |
| commit | 729a2bc66a8d75624f96a6e7c50b7cd85d72f68a (patch) | |
| tree | 0a9c3380b88b5e2538a0acfa8ab4d692f104b1ab | |
| parent | e54c48836c89b9eb7a7e7403370b8e4713c4310b (diff) | |
| download | gcc-729a2bc66a8d75624f96a6e7c50b7cd85d72f68a.zip gcc-729a2bc66a8d75624f96a6e7c50b7cd85d72f68a.tar.gz gcc-729a2bc66a8d75624f96a6e7c50b7cd85d72f68a.tar.bz2 | |
* combine.c (simplify_comparison): Apply SUBREG_REG to SUBREGs.
From-SVN: r20887
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/combine.c | 4 |
2 files changed, 6 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index fc7c2d0..3ff93d4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +Thu Jul 2 01:53:32 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk> + + * combine.c (simplify_comparison): Apply SUBREG_REG to SUBREGs. + Wed Jul 1 23:06:03 1998 Richard Henderson <rth@cygnus.com> * i386.h (HARD_REGNO_MODE_OK): Kill spurrious test. diff --git a/gcc/combine.c b/gcc/combine.c index ea6bcb8..a0c7864 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -9471,10 +9471,10 @@ simplify_comparison (code, pop0, pop1) > GET_MODE_SIZE (GET_MODE (SUBREG_REG (inner_op0)))) && (GET_MODE (SUBREG_REG (inner_op0)) == GET_MODE (SUBREG_REG (inner_op1))) - && (GET_MODE_BITSIZE (GET_MODE (SUBREG_REG (op0))) + && (GET_MODE_BITSIZE (GET_MODE (SUBREG_REG (inner_op0))) <= HOST_BITS_PER_WIDE_INT) && (0 == ((~c0) & nonzero_bits (SUBREG_REG (inner_op0), - GET_MODE (SUBREG_REG (op0))))) + GET_MODE (SUBREG_REG (inner_op0))))) && (0 == ((~c1) & nonzero_bits (SUBREG_REG (inner_op1), GET_MODE (SUBREG_REG (inner_op1)))))) { |