diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/config/arc/arc.c | 8 |
2 files changed, 13 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c0eb165..96d6d60 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2005-09-06 Saurabh Verma <saurabh.verma@codito.com> + + PR target/8972 + * config/arc/arc.c (output_shift): Add check for loop count when + optimizing. + 2005-09-06 Steven Bosscher <stevenb@suse.de> * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA diff --git a/gcc/config/arc/arc.c b/gcc/config/arc/arc.c index 2adf01d..6d8666e 100644 --- a/gcc/config/arc/arc.c +++ b/gcc/config/arc/arc.c @@ -1494,7 +1494,11 @@ output_shift (rtx *operands) if (GET_CODE (operands[2]) != CONST_INT) { if (optimize) - output_asm_insn ("mov lp_count,%2", operands); + { + output_asm_insn ("sub.f 0,%2,0", operands); + output_asm_insn ("mov lp_count,%2", operands); + output_asm_insn ("bz 2f", operands); + } else output_asm_insn ("mov %4,%2", operands); goto shiftloop; @@ -1568,6 +1572,8 @@ output_shift (rtx *operands) fprintf (asm_out_file, "1:\t%s single insn loop\n", ASM_COMMENT_START); output_asm_insn (shift_one, operands); + fprintf (asm_out_file, "2:\t%s end single insn loop\n", + ASM_COMMENT_START); } else { |