From 4fe34fa2ecbf21468e67c3d643c0d7ab1792f8dc Mon Sep 17 00:00:00 2001 From: Michael Zuckerman Date: Mon, 31 Oct 2016 09:37:59 +0000 Subject: [PATCH] [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 llvm-svn: 285555 --- clang/lib/Basic/Targets.cpp | 1 + .../test/CodeGen/avx512-inline-asm-kregisters-basics.c | 17 +++++++++++++++++ 2 files changed, 18 insertions(+) create mode 100644 clang/test/CodeGen/avx512-inline-asm-kregisters-basics.c diff --git a/clang/lib/Basic/Targets.cpp b/clang/lib/Basic/Targets.cpp index e0c1fe4..9355f3b 100644 --- a/clang/lib/Basic/Targets.cpp +++ b/clang/lib/Basic/Targets.cpp @@ -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[] = { diff --git a/clang/test/CodeGen/avx512-inline-asm-kregisters-basics.c b/clang/test/CodeGen/avx512-inline-asm-kregisters-basics.c new file mode 100644 index 0000000..b199745 --- /dev/null +++ b/clang/test/CodeGen/avx512-inline-asm-kregisters-basics.c @@ -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"); +} \ No newline at end of file -- 2.7.4