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| author | Jeffrey A Law <law@cygnus.com> | 1997-09-22 01:28:22 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1997-09-21 19:28:22 -0600 |
| commit | cb3bb2a765649402a981196026fda605cdd6fc9f (patch) | |
| tree | ca8b1edb1d99a8a28331458f9d95e77b1e08dcad | |
| parent | 2a1777af229bc5e9e738fd5bb8285ac0c1e24a7d (diff) | |
| download | gcc-cb3bb2a765649402a981196026fda605cdd6fc9f.zip gcc-cb3bb2a765649402a981196026fda605cdd6fc9f.tar.gz gcc-cb3bb2a765649402a981196026fda605cdd6fc9f.tar.bz2 | |
cse.c (simplify_relational_operation): Set h0u just like h0s.
* cse.c (simplify_relational_operation): Set h0u just like h0s.
Similarly for h1u and h1s.
From-SVN: r15616
| -rw-r--r-- | gcc/ChangeLog | 3 | ||||
| -rw-r--r-- | gcc/cse.c | 18 |
2 files changed, 5 insertions, 16 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index d081529..5906f14 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,8 @@ Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com) + * cse.c (simplify_relational_operation): Set h0u just like h0s. + Similarly for h1u and h1s. + * jump.c (jmp_uses_reg_or_mem): Deleted unused function. (find_basic_blocks): Use computed_jump_p to determine if a particular JUMP_INSN is a computed jump. @@ -4482,14 +4482,7 @@ simplify_relational_operation (code, mode, op0, op1) else { l0u = l0s = INTVAL (op0); - h0s = l0s < 0 ? -1 : 0; - /* If WIDTH is nonzero and larger than HOST_BITS_PER_WIDE_INT, - then the high word is derived from the sign bit of the low - word, else the high word is zero. */ - if (width != 0 && width > HOST_BITS_PER_WIDE_INT) - h0u = l0s < 0 ? -1 : 0; - else - h0u = 0; + h0u = h0s = l0s < 0 ? -1 : 0; } if (GET_CODE (op1) == CONST_DOUBLE) @@ -4500,14 +4493,7 @@ simplify_relational_operation (code, mode, op0, op1) else { l1u = l1s = INTVAL (op1); - h1s = l1s < 0 ? -1 : 0; - /* If WIDTH is nonzero and larger than HOST_BITS_PER_WIDE_INT, - then the high word is derived from the sign bit of the low - word, else the high word is zero. */ - if (width != 0 && width > HOST_BITS_PER_WIDE_INT) - h1u = l1s < 0 ? -1 : 0; - else - h1u = 0; + h1u = h1s = l1s < 0 ? -1 : 0; } /* If WIDTH is nonzero and smaller than HOST_BITS_PER_WIDE_INT, |