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vsx.md (vsx_set_<mode>): Adjust for little endian. 

gcc:

2013-11-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* config/rs6000/vsx.md (vsx_set_<mode>): Adjust for little endian.
	(vsx_extract_<mode>): Likewise.
	(*vsx_extract_<mode>_one_le): New LE variant on
	*vsx_extract_<mode>_zero.
	(vsx_extract_v4sf): Adjust for little endian.


gcc/testsuite:

2013-11-20  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* gcc.target/powerpc/pr48258-1.c: Skip for little endian.

From-SVN: r205146
This commit is contained in:
Bill Schmidt 2013-11-20 21:46:18 +00:00 committed by William Schmidt
parent f2f08be7ea
commit 27b097f8d7
4 changed files with 37 additions and 4 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2013-11-20 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/vsx.md (vsx_set_<mode>): Adjust for little endian.
(vsx_extract_<mode>): Likewise.
(*vsx_extract_<mode>_one_le): New LE variant on
*vsx_extract_<mode>_zero.
(vsx_extract_v4sf): Adjust for little endian.
2013-11-20 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/59133

28
gcc/config/rs6000/vsx.md
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@ -1497,9 +1497,10 @@
UNSPEC_VSX_SET))]
"VECTOR_MEM_VSX_P (<MODE>mode)"
{
if (INTVAL (operands[3]) == 0)
int idx_first = BYTES_BIG_ENDIAN ? 0 : 1;
if (INTVAL (operands[3]) == idx_first)
return \"xxpermdi %x0,%x2,%x1,1\";
else if (INTVAL (operands[3]) == 1)
else if (INTVAL (operands[3]) == 1 - idx_first)
return \"xxpermdi %x0,%x1,%x2,0\";
else
gcc_unreachable ();
@ -1514,8 +1515,12 @@
[(match_operand:QI 2 "u5bit_cint_operand" "i,i,i")])))]
"VECTOR_MEM_VSX_P (<MODE>mode)"
{
int fldDM;
gcc_assert (UINTVAL (operands[2]) <= 1);
operands[3] = GEN_INT (INTVAL (operands[2]) << 1);
fldDM = INTVAL (operands[2]) << 1;
if (!BYTES_BIG_ENDIAN)
fldDM = 3 - fldDM;
operands[3] = GEN_INT (fldDM);
return \"xxpermdi %x0,%x1,%x1,%3\";
}
[(set_attr "type" "vecperm")])
@ -1535,6 +1540,21 @@
(const_string "fpload")))
(set_attr "length" "4")])
;; Optimize extracting element 1 from memory for little endian
(define_insn "*vsx_extract_<mode>_one_le"
[(set (match_operand:<VS_scalar> 0 "vsx_register_operand" "=ws,d,?wa")
(vec_select:<VS_scalar>
(match_operand:VSX_D 1 "indexed_or_indirect_operand" "Z,Z,Z")
(parallel [(const_int 1)])))]
"VECTOR_MEM_VSX_P (<MODE>mode) && !WORDS_BIG_ENDIAN"
"lxsd%U1x %x0,%y1"
[(set (attr "type")
(if_then_else
(match_test "update_indexed_address_mem (operands[1], VOIDmode)")
(const_string "fpload_ux")
(const_string "fpload")))
(set_attr "length" "4")])
;; Extract a SF element from V4SF
(define_insn_and_split "vsx_extract_v4sf"
[(set (match_operand:SF 0 "vsx_register_operand" "=f,f")
@ -1555,7 +1575,7 @@
rtx op2 = operands[2];
rtx op3 = operands[3];
rtx tmp;
HOST_WIDE_INT ele = INTVAL (op2);
HOST_WIDE_INT ele = BYTES_BIG_ENDIAN ? INTVAL (op2) : 3 - INTVAL (op2);
if (ele == 0)
tmp = op1;

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2013-11-20 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* gcc.target/powerpc/pr48258-1.c: Skip for little endian.
2013-11-20 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/59133

1
gcc/testsuite/gcc.target/powerpc/pr48258-1.c
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@ -1,5 +1,6 @@
/* { dg-do compile } */
/* { dg-skip-if "" { powerpc*-*-darwin* } { "*" } { "" } } */
/* { dg-skip-if "" { powerpc*le-*-* } { "*" } { "" } } */
/* { dg-require-effective-target powerpc_vsx_ok } */
/* { dg-options "-O3 -mcpu=power7 -mabi=altivec -ffast-math -fno-unroll-loops" } */
/* { dg-final { scan-assembler-times "xvaddsp" 3 } } */