From c52345c0fce6ffdef4f4e96b27f3bff3e365834c Mon Sep 17 00:00:00 2001
From: Cameron McInally <cameron.mcinally@nyu.edu>
Date: Wed, 18 Jun 2014 14:04:37 +0000
Subject: [PATCH] Add pattern for unsigned v4i32->v4f64 convert on AVX512.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211164 91177308-0d34-0410-b5e6-96231b3b80d8
---
lib/Target/X86/X86InstrAVX512.td | 4 ++++
test/CodeGen/X86/avx512-cvt.ll | 8 ++++++++
2 files changed, 12 insertions(+)
diff --git a/lib/Target/X86/X86InstrAVX512.td b/lib/Target/X86/X86InstrAVX512.td
index c132663f473..4b9f560597f 100644
--- a/lib/Target/X86/X86InstrAVX512.td
+++ b/lib/Target/X86/X86InstrAVX512.td
@@ -3174,6 +3174,10 @@ def : Pat<(v4f32 (uint_to_fp (v4i32 VR128X:$src1))),
(EXTRACT_SUBREG (v16f32 (VCVTUDQ2PSZrr
(v16i32 (SUBREG_TO_REG (i32 0), VR128X:$src1, sub_xmm)))), sub_xmm)>;
+def : Pat<(v4f64 (uint_to_fp (v4i32 VR128X:$src1))),
+ (EXTRACT_SUBREG (v8f64 (VCVTUDQ2PDZrr
+ (v8i32 (SUBREG_TO_REG (i32 0), VR128X:$src1, sub_xmm)))), sub_ymm)>;
+
def : Pat<(v16f32 (int_x86_avx512_mask_cvtdq2ps_512 (v16i32 VR512:$src),
(bc_v16f32 (v16i32 immAllZerosV)), (i16 -1), imm:$rc)),
(VCVTDQ2PSZrrb VR512:$src, imm:$rc)>;
diff --git a/test/CodeGen/X86/avx512-cvt.ll b/test/CodeGen/X86/avx512-cvt.ll
index 2476ea1253e..f5cda96b99f 100644
--- a/test/CodeGen/X86/avx512-cvt.ll
+++ b/test/CodeGen/X86/avx512-cvt.ll
@@ -192,6 +192,14 @@ define <16 x double> @uitof64(<16 x i32> %a) nounwind {
ret <16 x double> %b
}
+; CHECK-LABEL: uitof64_256
+; CHECK: vcvtudq2pd
+; CHECK: ret
+define <4 x double> @uitof64_256(<4 x i32> %a) nounwind {
+ %b = uitofp <4 x i32> %a to <4 x double>
+ ret <4 x double> %b
+}
+
; CHECK-LABEL: uitof32
; CHECK: vcvtudq2ps
; CHECK: ret