Gcc 7 trunk was generating incorrect code for spec2k6 403.gcc due to
this constraint issue. OK for trunk after bootstrap/regtest passes?
2016-10-06 Aaron Sawdey <acsaw...@linux.vnet.ibm.com>
PR target/77934
* config/rs6000/vmx.md (vsx_concat_<mode>): The mtvsrdd instruction
needs a base register for arg 1.
Index: gcc/config/rs6000/vsx.md
===================================================================
--- gcc/config/rs6000/vsx.md (revision 240994)
+++ gcc/config/rs6000/vsx.md (working copy)
@@ -1938,7 +1938,7 @@
(define_insn "vsx_concat_<mode>"
[(set (match_operand:VSX_D 0 "gpc_reg_operand" "=<VSa>,we")
(vec_concat:VSX_D
- (match_operand:<VS_scalar> 1 "gpc_reg_operand" "<VS_64reg>,r")
+ (match_operand:<VS_scalar> 1 "gpc_reg_operand" "<VS_64reg>,b")
(match_operand:<VS_scalar> 2 "gpc_reg_operand" "<VS_64reg>,r")))]
"VECTOR_MEM_VSX_P (<MODE>mode)"
{
--
Aaron Sawdey, Ph.D. acsaw...@linux.vnet.ibm.com
050-2/C113 (507) 253-7520 home: 507/263-0782
IBM Linux Technology Center - PPC Toolchain
