[hsa-branch 4/9] Add expansion of reciprocal of square root

[Martin Jambor]

Hi,

this patch is a simple addition of reciprocal of square root gimple
function into its HSAIL equivalent.

Committed to the branch, queued for merge to trunk soon.
Thanks,

Martin

2016-10-03  Martin Jambor  <mjam...@suse.cz>

        * hsa-gen.c (gen_hsa_insn_for_internal_fn_call): Also handle IFN_RSQRT.
---
 gcc/hsa-gen.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gcc/hsa-gen.c b/gcc/hsa-gen.c
index deb2a07..efb87a0 100644
--- a/gcc/hsa-gen.c
+++ b/gcc/hsa-gen.c
@@ -5386,6 +5386,10 @@ gen_hsa_insn_for_internal_fn_call (gcall *stmt, hsa_bb 
*hbb)
       gen_hsa_unaryop_for_builtin (BRIG_OPCODE_SQRT, stmt, hbb);
       break;
 
+    case IFN_RSQRT:
+      gen_hsa_unaryop_for_builtin (BRIG_OPCODE_NRSQRT, stmt, hbb);
+      break;
+
     case IFN_TRUNC:
       gen_hsa_unaryop_for_builtin (BRIG_OPCODE_TRUNC, stmt, hbb);
       break;
-- 
2.10.0