r285555 - [x86][inline-asm] Introducing (AVX512) k0-k7 registers for inline-asm usage

[Michael Zuckerman via cfe-commits]

Author: mzuckerm
Date: Mon Oct 31 04:37:59 2016
New Revision: 285555

URL: http://llvm.org/viewvc/llvm-project?rev=285555&view=rev
Log:
[x86][inline-asm] Introducing (AVX512) k0-k7 registers for inline-asm usage

Commit on behalf of mharoush 

After LGTM and check all: 
This patch enables usage of k registers in inline assembly syntax.

Reviewer: 1. rnk
          2. delena 

Differential Revision: https://reviews.llvm.org/D25011


Added:
    cfe/trunk/test/CodeGen/avx512-inline-asm-kregisters-basics.c
Modified:
    cfe/trunk/lib/Basic/Targets.cpp

Modified: cfe/trunk/lib/Basic/Targets.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets.cpp?rev=285555&r1=285554&r2=285555&view=diff
==============================================================================
--- cfe/trunk/lib/Basic/Targets.cpp (original)
+++ cfe/trunk/lib/Basic/Targets.cpp Mon Oct 31 04:37:59 2016
@@ -2397,6 +2397,7 @@ static const char* const GCCRegNames[] =
   "zmm8", "zmm9", "zmm10", "zmm11", "zmm12", "zmm13", "zmm14", "zmm15",
   "zmm16", "zmm17", "zmm18", "zmm19", "zmm20", "zmm21", "zmm22", "zmm23",
   "zmm24", "zmm25", "zmm26", "zmm27", "zmm28", "zmm29", "zmm30", "zmm31",
+  "k0", "k1", "k2", "k3", "k4", "k5", "k6", "k7",
 };
 
 const TargetInfo::AddlRegName AddlRegNames[] = {

Added: cfe/trunk/test/CodeGen/avx512-inline-asm-kregisters-basics.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/avx512-inline-asm-kregisters-basics.c?rev=285555&view=auto
==============================================================================
--- cfe/trunk/test/CodeGen/avx512-inline-asm-kregisters-basics.c (added)
+++ cfe/trunk/test/CodeGen/avx512-inline-asm-kregisters-basics.c Mon Oct 31 04:37:59 2016
@@ -0,0 +1,17 @@
+// RUN: %clang_cc1 %s -target-cpu skylake-avx512 -O0  -S -o - -Wall -Werror | FileCheck %s
+// This test checks basic inline assembly recognition of k0-k7 registers for avx512.
+
+void test_basic_inline_asm_with_k_regs() {
+    //CHECK: #APP
+    //CHECK: kandw %k1, %k2, %k3
+    //CHECK: #NO_APP
+    asm("kandw %k1, %k2, %k3\t");
+    //CHECK: #APP
+    //CHECK: kandw %k4, %k5, %k6
+    //CHECK: #NO_APP
+    asm("kandw %k4, %k5, %k6\t");
+    //CHECK: #APP
+    //CHECK: kandw %k7, %k0, %k1
+    //CHECK: #NO_APP
+    asm("kandw %k7, %k0, %k1\t");
+}
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