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| author | Marek Michalkiewicz <marekm@linux.org.pl> | 2001-03-31 18:24:16 +0200 |
|---|---|---|
| committer | Marek Michalkiewicz <marekm@gcc.gnu.org> | 2001-03-31 16:24:16 +0000 |
| commit | 7656d28aed3bb0d61a9eff78a43475f47e53376f (patch) | |
| tree | 4cc7cefb110ee9892ceaede1e2c1b590e1003ac6 | |
| parent | 59350e50596f802bc7e62c8479668b0d3252e145 (diff) | |
| download | gcc-7656d28aed3bb0d61a9eff78a43475f47e53376f.zip gcc-7656d28aed3bb0d61a9eff78a43475f47e53376f.tar.gz gcc-7656d28aed3bb0d61a9eff78a43475f47e53376f.tar.bz2 | |
* config/avr/libgcc.S (__mulhi3): Optimize previous change.
From-SVN: r40976
| -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 7f0266b..875ed0a 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 b438954..d324a21 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 |