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riscv-gcc-1
Commit 51a785a0 by Ulrich Weigand Committed by Ulrich Weigand
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* ifcvt.c (noce_try_addcc): Handle ifs with 'else' case. 

From-SVN: r72603
parent 2051c897
Showing with 6 additions and 4 deletions
gcc/ChangeLog
2003-10-17 Ulrich Weigand <uweigand@de.ibm.com>
* ifcvt.c (noce_try_addcc): Handle ifs with 'else' case.
2003-10-17 Ulrich Weigand <uweigand@de.ibm.com>
* combine.c (simplify_set): Do not clear out undobuf.other_insn
already set elsewhere.
......
gcc/ifcvt.c
......@@ -884,10 +884,8 @@ noce_try_addcc (struct noce_if_info *if_info)
int subtract, normalize;
if (! no_new_pseudos
/* Should be no `else' case to worry about. */
&& if_info->b == if_info->x
&& GET_CODE (if_info->a) == PLUS
&& rtx_equal_p (XEXP (if_info->a, 0), if_info->x)
&& rtx_equal_p (XEXP (if_info->a, 0), if_info->b)
&& (reversed_comparison_code (if_info->cond, if_info->jump)
!= UNKNOWN))
{
......@@ -942,7 +940,7 @@ noce_try_addcc (struct noce_if_info *if_info)
if (target)
target = expand_simple_binop (GET_MODE (if_info->x),
subtract ? MINUS : PLUS,
if_info->x, target, if_info->x,
if_info->b, target, if_info->x,
0, OPTAB_WIDEN);
if (target)
{
......
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