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re PR target/52407 (sse2 simd uint32_t and int64_t and stack variable initialization)

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2012-02-28  Richard Guenther  <rguenther@suse.de>

	PR target/52407
	* config/i386/i386.c (ix86_expand_vector_set): Fix element
	ordering for the VEC_CONCAT for two element vectors for
	V2SFmode, V2SImode and V2DImode.

	* gcc.dg/torture/pr52407.c: New testcase.

From-SVN: r184627
This commit is contained in:
Richard Guenther 2012-02-28 15:28:32 +00:00 • committed by Richard Biener
parent e3ed9d607b
commit 8eef33ca3d
4 changed files with 49 additions and 4 deletions
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7
gcc/ChangeLog
View file

@ -1,3 +1,10 @@
2012-02-28 Richard Guenther <rguenther@suse.de>
PR target/52407
* config/i386/i386.c (ix86_expand_vector_set): Fix element
ordering for the VEC_CONCAT for two element vectors for
V2SFmode, V2SImode and V2DImode.
2012-02-28 Richard Earnshaw <rearnsha@arm.com>
PR target/49448

8
gcc/config/i386/i386.c
View file

@ -33562,9 +33562,9 @@ ix86_expand_vector_set (bool mmx_ok, rtx target, rtx val, int elt)
tmp = gen_reg_rtx (GET_MODE_INNER (mode));
ix86_expand_vector_extract (true, tmp, target, 1 - elt);
if (elt == 0)
tmp = gen_rtx_VEC_CONCAT (mode, tmp, val);
else
tmp = gen_rtx_VEC_CONCAT (mode, val, tmp);
else
tmp = gen_rtx_VEC_CONCAT (mode, tmp, val);
emit_insn (gen_rtx_SET (VOIDmode, target, tmp));
return;
}
@ -33578,9 +33578,9 @@ ix86_expand_vector_set (bool mmx_ok, rtx target, rtx val, int elt)
tmp = gen_reg_rtx (GET_MODE_INNER (mode));
ix86_expand_vector_extract (false, tmp, target, 1 - elt);
if (elt == 0)
tmp = gen_rtx_VEC_CONCAT (mode, tmp, val);
else
tmp = gen_rtx_VEC_CONCAT (mode, val, tmp);
else
tmp = gen_rtx_VEC_CONCAT (mode, tmp, val);
emit_insn (gen_rtx_SET (VOIDmode, target, tmp));
return;

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2012-02-28 Richard Guenther <rguenther@suse.de>
PR target/52407
* gcc.dg/torture/pr52407.c: New testcase.
2012-02-28 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
* gcc.target/arm/vfp1.c (dg_do run): Run on all eabi variants.

33
gcc/testsuite/gcc.dg/torture/pr52407.c Normal file
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@ -0,0 +1,33 @@
/* { dg-do run } */
extern void abort (void);
typedef long long T;
typedef T vl_t __attribute__((vector_size(2 * sizeof (T))));
vl_t ul[4], vl[4] = { { 1, 2 }, { 3, 4 }, { 5, 6 }, { 7, 8 } };
static void
mul_vl_l(vl_t *u, vl_t *v, T x, int m)
{
vl_t w;
T *p = (T *)&w;
p[0] = p[1] = x;
while (m--)
*u++ = *v++ * w;
}
int
main(int argc, char *argv[])
{
int i;
T *pl;
pl = (T *) &ul;
mul_vl_l(ul, vl, 2, 4);
for (i = 0; i < 8; i++)
if (pl[i] != 2 * (i + 1))
abort ();
return 0;
}