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2011-09-12 Andrew Stubbs <ams@codesourcery.com>
Backport from FSF mainline:
2011-09-08 Andrew Stubbs <ams@codesourcery.com>
PR tree-optimization/50318
gcc/
* tree-ssa-math-opts.c (convert_plusminus_to_widen): Correct
typo in use of mult_rhs1 and mult_rhs2.
gcc/testsuite/
* gcc.target/arm/pr50318-1.c: New file.
=== added file 'gcc/testsuite/gcc.target/arm/pr50318-1.c'
--- old/gcc/testsuite/gcc.target/arm/pr50318-1.c 1970-01-01 00:00:00 +0000
+++ new/gcc/testsuite/gcc.target/arm/pr50318-1.c 2011-09-08 20:11:43 +0000
@@ -0,0 +1,11 @@
+/* { dg-do compile } */
+/* { dg-options "-O2" } */
+/* { dg-require-effective-target arm_dsp } */
+
+long long test (unsigned int sec, unsigned long long nsecs)
+{
+ return (long long)(long)sec * 1000000000L + (long long)(unsigned
+ long)nsecs;
+}
+
+/* { dg-final { scan-assembler "umlal" } } */
=== modified file 'gcc/tree-ssa-math-opts.c'
--- old/gcc/tree-ssa-math-opts.c 2011-08-09 10:26:48 +0000
+++ new/gcc/tree-ssa-math-opts.c 2011-09-08 20:11:43 +0000
@@ -1699,9 +1699,9 @@
/* Handle constants. */
if (TREE_CODE (mult_rhs1) == INTEGER_CST)
- rhs1 = fold_convert (type1, mult_rhs1);
+ mult_rhs1 = fold_convert (type1, mult_rhs1);
if (TREE_CODE (mult_rhs2) == INTEGER_CST)
- rhs2 = fold_convert (type2, mult_rhs2);
+ mult_rhs2 = fold_convert (type2, mult_rhs2);
gimple_assign_set_rhs_with_ops_1 (gsi, wmult_code, mult_rhs1, mult_rhs2,
add_rhs);
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