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re PR target/68400 (ICE in change_address_1, at emit-rtl.c:2125)

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PR target/68400
	* gcc.target/mips/mips.exp (mips_option_groups): Add stack-protector.
	* gcc.target/mips/pr68400.c: New test.

From-SVN: r232954
This commit is contained in:
Steve Ellcey 2016-01-28 22:28:04 +00:00 committed by Steve Ellcey
parent 0b16c7b99c
commit df113ce7de
3 changed files with 35 additions and 0 deletions
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6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2016-01-28 Steve Ellcey <sellcey@imgtec.com>
PR target/68400
* gcc.target/mips/mips.exp (mips_option_groups): Add stack-protector.
* gcc.target/mips/pr68400.c: New test.
2016-01-28 Martin Sebor <msebor@redhat.com>
PR target/17381

1
gcc/testsuite/gcc.target/mips/mips.exp
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@ -257,6 +257,7 @@ set mips_option_groups {
lsa "(|!)HAS_LSA"
section_start "-Wl,--section-start=.*"
frame-header "-mframe-header-opt|-mno-frame-header-opt"
stack-protector "-fstack-protector"
}
for { set option 0 } { $option < 32 } { incr option } {

28
gcc/testsuite/gcc.target/mips/pr68400.c Normal file
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@ -0,0 +1,28 @@
/* PR target/pr68400
This was triggering an ICE in change_address_1 when compiled with -Os. */
/* { dg-do compile } */
/* { dg-options "-fstack-protector -mips16" } */
typedef struct s {
unsigned long long d;
long long t;
} p;
int sh(int x, unsigned char *buf)
{
p *uhdr = (p *)buf;
unsigned int i = 0;
uhdr->d = ((uhdr->d & 0xff00000000000000LL) >> 56)
| ((uhdr->d & 0x0000ff0000000000LL) >> 24)
| ((uhdr->d & 0x00000000ff000000LL) << 8)
| ((uhdr->d & 0x00000000000000ffLL) << 56);
uhdr->t = ((uhdr->t & 0xff00000000000000LL) >> 56)
| ((uhdr->t & 0x0000ff0000000000LL) >> 24)
| ((uhdr->t & 0x000000ff00000000LL) >> 8)
| ((uhdr->t & 0x00000000ff000000LL) << 8)
| ((uhdr->t & 0x000000000000ff00LL) << 40)
| ((uhdr->t & 0x00000000000000ffLL) << 56);
i += 4;
if (x < i) return 0; else return 1;
}