diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/config/avr/libgcc.S | 4 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8c76b2e..2b2ae64 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl> + + * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop + when multiplier or multiplicand is zero. + 2001-03-28 Bernd Schmidt <bernds@redhat.com> * cselib.c (hash_rtx): Don't do tail recursion elimination by hand. diff --git a/gcc/config/avr/libgcc.S b/gcc/config/avr/libgcc.S index cdf2c3f..b438954 100644 --- a/gcc/config/avr/libgcc.S +++ b/gcc/config/avr/libgcc.S @@ -137,11 +137,13 @@ __mulhi3_skip1: add r_arg2L,r_arg2L ; shift multiplicand adc r_arg2H,r_arg2H - cpc r_arg2L,__zero_reg__ + cp r_arg2L,__zero_reg__ + cpc r_arg2H,__zero_reg__ breq __mulhi3_exit ; while multiplicand != 0 lsr r_arg1H ; gets LSB of multiplier ror r_arg1L + cp r_arg1L,__zero_reg__ cpc r_arg1H,__zero_reg__ brne __mulhi3_loop ; exit if multiplier = 0 __mulhi3_exit: |