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| author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-02-22 13:40:57 +0000 |
|---|---|---|
| committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2004-02-22 13:40:57 +0000 |
| commit | 537730b956572a9e32adfa2e18164e8234594c08 (patch) | |
| tree | 8ef1237f22efc3c69be70e8e9f3cc0b917704344 | |
| parent | edf779ffccc836661a7b654d320571a6c220caea (diff) | |
| download | qemu-537730b956572a9e32adfa2e18164e8234594c08.zip qemu-537730b956572a9e32adfa2e18164e8234594c08.tar.gz qemu-537730b956572a9e32adfa2e18164e8234594c08.tar.bz2 | |
zero offset optimisation
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@635 c046a42c-6fe2-441c-8c8c-71466251a162
| -rw-r--r-- | target-arm/translate.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/target-arm/translate.c b/target-arm/translate.c index 50fe8aa..3efd55e 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -279,7 +279,8 @@ static inline void gen_add_data_offset(DisasContext *s, unsigned int insn) val = insn & 0xfff; if (!(insn & (1 << 23))) val = -val; - gen_op_addl_T1_im(val); + if (val != 0) + gen_op_addl_T1_im(val); } else { /* shift/register */ rm = (insn) & 0xf; @@ -304,7 +305,8 @@ static inline void gen_add_datah_offset(DisasContext *s, unsigned int insn) val = (insn & 0xf) | ((insn >> 4) & 0xf0); if (!(insn & (1 << 23))) val = -val; - gen_op_addl_T1_im(val); + if (val != 0) + gen_op_addl_T1_im(val); } else { /* register */ rm = (insn) & 0xf; |