2013-11-05 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+ * config/rs6000/altivec.md (mulv4si3): Ensure we generate vmulouh
+ for both big and little endian.
+ (mulv8hi3): Swap input operands for merge high and merge low
+ instructions for little endian.
+
+2013-11-05 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
* config/rs6000/altivec.md (vec_widen_umult_even_v16qi): Change
define_insn to define_expand that uses even patterns for big
endian and odd patterns for little endian.
convert_move (small_swap, swap, 0);
low_product = gen_reg_rtx (V4SImode);
- emit_insn (gen_vec_widen_umult_odd_v8hi (low_product, one, two));
+ emit_insn (gen_altivec_vmulouh (low_product, one, two));
high_product = gen_reg_rtx (V4SImode);
emit_insn (gen_altivec_vmsumuhm (high_product, one, small_swap, zero));
emit_insn (gen_vec_widen_smult_even_v8hi (even, operands[1], operands[2]));
emit_insn (gen_vec_widen_smult_odd_v8hi (odd, operands[1], operands[2]));
- emit_insn (gen_altivec_vmrghw (high, even, odd));
- emit_insn (gen_altivec_vmrglw (low, even, odd));
-
if (BYTES_BIG_ENDIAN)
- emit_insn (gen_altivec_vpkuwum (operands[0], high, low));
+ {
+ emit_insn (gen_altivec_vmrghw (high, even, odd));
+ emit_insn (gen_altivec_vmrglw (low, even, odd));
+ emit_insn (gen_altivec_vpkuwum (operands[0], high, low));
+ }
else
- emit_insn (gen_altivec_vpkuwum (operands[0], low, high));
+ {
+ emit_insn (gen_altivec_vmrghw (high, odd, even));
+ emit_insn (gen_altivec_vmrglw (low, odd, even));
+ emit_insn (gen_altivec_vpkuwum (operands[0], low, high));
+ }
DONE;
}")