[HSA] Fix emission of internal functions

["Martin Liška" <mliska@suse.cz>]

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Hello.

Following patch handles just floating pointer internal functions and
for the rest if displays warning message.

Patch has been installed to the HSA branch.

Thanks,
Martin

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From 5c6581d913c754e4e0a197e073bfa3c17c20b31f Mon Sep 17 00:00:00 2001
From: marxin <mliska@suse.cz>
Date: Fri, 4 Dec 2015 09:56:11 +0100
Subject: [PATCH 1/3] HSA: fix emission of non-math internal functions

gcc/ChangeLog:

2015-12-04  Martin Liska  <mliska@suse.cz>

	* hsa-gen.c (gen_hsa_insn_for_internal_fn_call): Explicitly
	enumerate all internal functions that can be emitted as function
	call instruction.
---
 gcc/hsa-gen.c | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/gcc/hsa-gen.c b/gcc/hsa-gen.c
index 3fbafb5..85ba148 100644
--- a/gcc/hsa-gen.c
+++ b/gcc/hsa-gen.c
@@ -4974,8 +4974,34 @@ gen_hsa_insn_for_internal_fn_call (gcall *stmt, hsa_bb *hbb)
       gen_hsa_popcount (stmt, hbb);
       break;
 
-    default:
+    case IFN_ACOS:
+    case IFN_ASIN:
+    case IFN_ATAN:
+    case IFN_EXP:
+    case IFN_EXP10:
+    case IFN_EXPM1:
+    case IFN_LOG:
+    case IFN_LOG10:
+    case IFN_LOG1P:
+    case IFN_LOGB:
+    case IFN_SIGNIFICAND:
+    case IFN_TAN:
+    case IFN_NEARBYINT:
+    case IFN_ROUND:
+    case IFN_ATAN2:
+    case IFN_COPYSIGN:
+    case IFN_FMOD:
+    case IFN_POW:
+    case IFN_REMAINDER:
+    case IFN_SCALB:
+    case IFN_FMIN:
+    case IFN_FMAX:
       gen_hsa_insns_for_call_of_internal_fn (stmt, hbb);
+
+    default:
+      HSA_SORRY_ATV (gimple_location (stmt),
+		     "support for HSA does not implement internal function: %s",
+		     internal_fn_name (fn));
       break;
     }
 }
-- 
2.6.3