+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
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 ();
[(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")])
(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")
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;