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re PR rtl-optimization/35281 (multiply with 0 generated for 64*32->64)

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2008-04-03  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/35281
	* gcc.target/i386/pr35281.c: New test.

From-SVN: r133859
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Paolo Bonzini 2008-04-03 05:36:26 +00:00 committed by Paolo Bonzini
parent 9e0aebcaee
commit 0a262d5466
2 changed files with 24 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2008-04-03 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/35281
* gcc.target/i386/pr35281.c: New test.
2008-04-03 Richard Guenther <rguenther@suse.de>
PR middle-end/35800

19
gcc/testsuite/gcc.target/i386/pr35281.c Normal file
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/* { dg-options "-O2" } */
/* { dg-do compile } */
/* { dg-require-effective-target ilp32 } */
unsigned long long a;
unsigned int b;
unsigned short c;
unsigned long long mul32()
{
return a * b;
}
unsigned long long mul16()
{
return a * c;
}
/* { dg-final { scan-assembler-not "xor" } } */