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| author | Kazu Hirata <kazu@hxi.com> | 2002-02-09 21:49:23 +0000 |
|---|---|---|
| committer | Kazu Hirata <kazu@gcc.gnu.org> | 2002-02-09 21:49:23 +0000 |
| commit | 6dfa4005a20fa09d0934dcb807ef2e24792468d2 (patch) | |
| tree | b7065979d79fe72e7026a1f3762cdcf6e2bb1fad | |
| parent | 3611ccb484812b9fbe009d5127b055b10f139caf (diff) | |
| download | gcc-6dfa4005a20fa09d0934dcb807ef2e24792468d2.zip gcc-6dfa4005a20fa09d0934dcb807ef2e24792468d2.tar.gz gcc-6dfa4005a20fa09d0934dcb807ef2e24792468d2.tar.bz2 | |
h8300.c (output_logical_op): Use sub.w to clear a half of an SImode register on H8/300.
* config/h8300/h8300.c (output_logical_op): Use sub.w to clear
a half of an SImode register on H8/300.
From-SVN: r49648
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/h8300/h8300.c | 10 |
2 files changed, 9 insertions, 6 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index eddba93..2a6fbe9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2002-02-09 Kazu Hirata <kazu@hxi.com> + + * config/h8300/h8300.c (output_logical_op): Use sub.w to clear + a half of an SImode register on H8/300. + Sat Feb 9 18:28:02 CET 2002 Jan Hubicka <jh@suse.cz> * i386.md (movdi_2): Add missing '!'. diff --git a/gcc/config/h8300/h8300.c b/gcc/config/h8300/h8300.c index f861290..517176d 100644 --- a/gcc/config/h8300/h8300.c +++ b/gcc/config/h8300/h8300.c @@ -1567,9 +1567,8 @@ output_logical_op (mode, code, operands) 1) the special insn (in case of AND or XOR), 2) the word-wise insn, and 3) The byte-wise insn. */ - if ((TARGET_H8300H || TARGET_H8300S) - && ((det & 0x0000ffff) == 0x0000ffff) - && code != IOR) + if ((det & 0x0000ffff) == 0x0000ffff + && (TARGET_H8300 ? (code == AND) : (code != IOR))) output_asm_insn ((code == AND) ? "sub.w\t%f0,%f0" : "not.w\t%f0", operands); @@ -1594,9 +1593,8 @@ output_logical_op (mode, code, operands) } } - if ((TARGET_H8300H || TARGET_H8300S) - && ((det & 0xffff0000) == 0xffff0000) - && code != IOR) + if ((det & 0xffff0000) == 0xffff0000 + && (TARGET_H8300 ? (code == AND) : (code != IOR))) output_asm_insn ((code == AND) ? "sub.w\t%e0,%e0" : "not.w\t%e0", operands); |