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re PR c/39903 (ICE on flexible member)

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gcc/

2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39903
	* config/i386/i386.c (construct_container): Don't call
	gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
	X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.

gcc/testsuite/

2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39903
	* gcc.dg/torture/pr39903-1.c: New.
	* gcc.dg/torture/pr39903-2.c: Likewise.

From-SVN: r146842
This commit is contained in:
H.J. Lu 2009-04-27 14:02:09 +00:00 committed by H.J. Lu
parent bd63907522
commit 72d41f296e
5 changed files with 65 additions and 1 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2009-04-27 H.J. Lu <hongjiu.lu@intel.com>
PR target/39903
* config/i386/i386.c (construct_container): Don't call
gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.
2009-04-27 Michael Matz <matz@suse.de>
* ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.

5
gcc/config/i386/i386.c
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@ -5466,7 +5466,10 @@ construct_container (enum machine_mode mode, enum machine_mode orig_mode,
case X86_64_SSE_CLASS:
case X86_64_SSESF_CLASS:
case X86_64_SSEDF_CLASS:
return gen_reg_or_parallel (mode, orig_mode, SSE_REGNO (sse_regno));
if (mode != BLKmode)
return gen_reg_or_parallel (mode, orig_mode,
SSE_REGNO (sse_regno));
break;
case X86_64_X87_CLASS:
case X86_64_COMPLEX_X87_CLASS:
return gen_rtx_REG (mode, FIRST_STACK_REG);

6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2009-04-27 H.J. Lu <hongjiu.lu@intel.com>
PR target/39903
* gcc.dg/torture/pr39903-1.c: New.
* gcc.dg/torture/pr39903-2.c: Likewise.
2009-04-27 Revital Eres <eres@il.ibm.com>
* gcc.dg/sms-1.c: Add noinline attribute, create sms dump file

24
gcc/testsuite/gcc.dg/torture/pr39903-1.c Normal file
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@ -0,0 +1,24 @@
/* PR target/39903 */
/* { dg-do run } */
/* { dg-options "-Wno-psabi" } */
struct X {
double d;
double b[];
};
struct X __attribute__((noinline))
foo (double d)
{
struct X x;
x.d = d;
return x;
}
extern void abort (void);
int main()
{
struct X x = foo(3.0);
if (x.d != 3.0)
abort ();
return 0;
}

24
gcc/testsuite/gcc.dg/torture/pr39903-2.c Normal file
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@ -0,0 +1,24 @@
/* PR target/39903 */
/* { dg-do run } */
/* { dg-options "-Wno-psabi" } */
struct X {
float d;
float b[];
};
struct X __attribute__((noinline))
foo (float d)
{
struct X x;
x.d = d;
return x;
}
extern void abort (void);
int main()
{
struct X x = foo(3.0);
if (x.d != 3.0)
abort ();
return 0;
}