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arm.c (coproc_secondary_reload_class): Return NO_REGS for constant vectors.

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2011-06-07  Sergey Grechanik  <mouseentity@ispras.ru>

	* config/arm/arm.c (coproc_secondary_reload_class): Return NO_REGS for
	constant vectors.

testsuite:
	* gcc.target/arm/neon-reload-class.c: New test.

From-SVN: r174749
This commit is contained in:
Sergey Grechanik 2011-06-07 14:46:42 +00:00 committed by Alexander Monakov
parent 67b884536d
commit 8973b11245
4 changed files with 28 additions and 1 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2011-06-07 Sergey Grechanik <mouseentity@ispras.ru>
* config/arm/arm.c (coproc_secondary_reload_class): Return NO_REGS for
constant vectors.
2011-06-07 Richard Guenther <rguenther@suse.de>
* stor-layout.c (initialize_sizetypes): Initialize all

2
gcc/config/arm/arm.c
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@ -9079,7 +9079,7 @@ coproc_secondary_reload_class (enum machine_mode mode, rtx x, bool wb)
/* The neon move patterns handle all legitimate vector and struct
addresses. */
if (TARGET_NEON
&& MEM_P (x)
&& (MEM_P (x) || GET_CODE (x) == CONST_VECTOR)
&& (GET_MODE_CLASS (mode) == MODE_VECTOR_INT
|| GET_MODE_CLASS (mode) == MODE_VECTOR_FLOAT
|| VALID_NEON_STRUCT_MODE (mode)))

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2011-06-07 Sergey Grechanik <mouseentity@ispras.ru>
* gcc.target/arm/neon-reload-class.c: New test.
2011-06-07 Dodji Seketeli <dodji@redhat.com>
PR debug/49130

18
gcc/testsuite/gcc.target/arm/neon-reload-class.c Normal file
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@ -0,0 +1,18 @@
/* { dg-do compile } */
/* { dg-require-effective-target arm_neon_ok } */
/* { dg-options "-O2 -ftree-vectorize" } */
/* { dg-add-options arm_neon } */
void
_op_blend_p_caa_dp(unsigned *s, unsigned* e, unsigned *d, unsigned c) {
while (d < e) {
*d = ( (((((*s) >> 8) & 0x00ff00ff) * (c)) & 0xff00ff00) + (((((*s) & 0x00ff00ff) * (c)) >> 8) & 0x00ff00ff) );
d++;
s++;
}
}
/* These constants should be emitted as immediates rather than loaded from memory. */
/* { dg-final { scan-assembler-not "(\\.d?word|mov(w|t))" } } */