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| author | marekm <marekm@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-03-31 16:24:16 +0000 |
|---|---|---|
| committer | marekm <marekm@138bc75d-0d04-0410-961f-82ee72b054a4> | 2001-03-31 16:24:16 +0000 |
| commit | fdda3fb9a0d8a3ea3dc15f7fc1decf0b8fc7756b (patch) | |
| tree | 4cc7cefb110ee9892ceaede1e2c1b590e1003ac6 | |
| parent | ad0dddf2877ada04d037c5c48c7d66b3b30c18dd (diff) | |
| download | ppe42-gcc-fdda3fb9a0d8a3ea3dc15f7fc1decf0b8fc7756b.tar.gz ppe42-gcc-fdda3fb9a0d8a3ea3dc15f7fc1decf0b8fc7756b.zip | |
* config/avr/libgcc.S (__mulhi3): Optimize previous change.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@40976 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/avr/libgcc.S | 3 |
2 files changed, 5 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7f0266b425f..875ed0a3e65 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/libgcc.S (__mulhi3): Optimize previous change. + 2001-03-30 Bernd Schmidt <bernds@redhat.com> * loop.c (load_mems): When generating a load from a pseudo, update diff --git a/gcc/config/avr/libgcc.S b/gcc/config/avr/libgcc.S index b438954b757..d324a2166a6 100644 --- a/gcc/config/avr/libgcc.S +++ b/gcc/config/avr/libgcc.S @@ -143,8 +143,7 @@ __mulhi3_skip1: lsr r_arg1H ; gets LSB of multiplier ror r_arg1L - cp r_arg1L,__zero_reg__ - cpc r_arg1H,__zero_reg__ + sbiw r_arg1L,0 brne __mulhi3_loop ; exit if multiplier = 0 __mulhi3_exit: mov r_arg1H,r_resH ; result to return register |
