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riscv-gcc-1
Commit 085daa5a by Jim Wilson
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(strength_reduce): Add check for ! bl->reversed to 

auto_inc_opt code.

From-SVN: r12985
parent 04bd0246
Showing with 4 additions and 2 deletions
gcc/loop.c
...@@ -3910,8 +3910,10 @@ strength_reduce (scan_start, end, loop_top, insn_count, ...@@ -3910,8 +3910,10 @@ strength_reduce (scan_start, end, loop_top, insn_count,
immediately after its use, so that flow can create an immediately after its use, so that flow can create an
auto-increment addressing mode. */ auto-increment addressing mode. */
if (v->giv_type == DEST_ADDR && bl->biv_count == 1 if (v->giv_type == DEST_ADDR && bl->biv_count == 1
&& bl->biv->always_executed && bl->biv->always_executed && ! bl->biv->maybe_multiple
&& ! bl->biv->maybe_multiple /* We don't handle reversed biv's because bl->biv->insn
does not have a valid INSN_LUID. */
&& ! bl->reversed
&& v->always_executed && ! v->maybe_multiple) && v->always_executed && ! v->maybe_multiple)
{ {
/* If other giv's have been combined with this one, then /* If other giv's have been combined with this one, then
......
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