From: Elena Demikhovsky <elena.demikhovsky@intel.com>
Date: Tue, 22 Oct 2013 09:19:28 +0000 (+0000)
Subject: AVX-512: aligned / unaligned load and store for 512-bit integer vectors.
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=ea79feb1a87af1e0e9c0fd3bf8831c4593b56d4d

AVX-512: aligned / unaligned load and store for 512-bit integer vectors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@193156 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86InstrAVX512.td b/lib/Target/X86/X86InstrAVX512.td
index 05e346dec5a..8cf5bb43717 100644
--- a/lib/Target/X86/X86InstrAVX512.td
+++ b/lib/Target/X86/X86InstrAVX512.td
@@ -1067,23 +1067,6 @@ def VMOVUPDZmr : AVX512PI<0x11, MRMDestMem, (outs), (ins f512mem:$dst, VR512:$sr
                     SSEPackedDouble>, EVEX, EVEX_V512,
                     OpSize, VEX_W, EVEX_CD8<64, CD8VF>;
 
-// Use vmovaps/vmovups for AVX-512 integer load/store.
-// 512-bit load/store
-def : Pat<(alignedloadv8i64 addr:$src),
-          (VMOVAPSZrm addr:$src)>;
-def : Pat<(loadv8i64 addr:$src),
-          (VMOVUPSZrm addr:$src)>;
-
-def : Pat<(alignedstore512 (v8i64  VR512:$src), addr:$dst), 
-          (VMOVAPSZmr addr:$dst, VR512:$src)>;
-def : Pat<(alignedstore512 (v16i32 VR512:$src), addr:$dst), 
-          (VMOVAPSZmr addr:$dst, VR512:$src)>;
-
-def : Pat<(store (v8i64  VR512:$src), addr:$dst), 
-          (VMOVUPDZmr addr:$dst, VR512:$src)>;
-def : Pat<(store (v16i32 VR512:$src), addr:$dst), 
-          (VMOVUPSZmr addr:$dst, VR512:$src)>;
-
 let neverHasSideEffects = 1 in {
   def VMOVDQA32rr  : AVX512BI<0x6F, MRMSrcReg, (outs VR512:$dst),
                              (ins VR512:$src),
@@ -1115,25 +1098,36 @@ def VMOVDQA64rm  : AVX512BI<0x6F, MRMSrcMem, (outs VR512:$dst),
 }
 }
 
-multiclass avx512_mov_int<bits<8> opc, string asm, RegisterClass RC,
-                          RegisterClass KRC,
+// 512-bit aligned load/store
+def : Pat<(alignedloadv8i64 addr:$src),  (VMOVDQA64rm addr:$src)>;
+def : Pat<(alignedloadv16i32 addr:$src), (VMOVDQA32rm addr:$src)>;
+
+def : Pat<(alignedstore512 (v8i64  VR512:$src), addr:$dst),
+          (VMOVDQA64mr addr:$dst, VR512:$src)>;
+def : Pat<(alignedstore512 (v16i32 VR512:$src), addr:$dst),
+          (VMOVDQA32mr addr:$dst, VR512:$src)>;
+
+multiclass avx512_mov_int<bits<8> load_opc, bits<8> store_opc, string asm,
+                          RegisterClass RC, RegisterClass KRC,
                           PatFrag ld_frag, X86MemOperand x86memop> {
 let neverHasSideEffects = 1 in
-  def rr : AVX512XSI<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src),
-              !strconcat(asm, "\t{$src, $dst|$dst, $src}"), []>,
-              EVEX;
+  def rr : AVX512XSI<load_opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src),
+                     !strconcat(asm, "\t{$src, $dst|$dst, $src}"), []>, EVEX;
 let canFoldAsLoad = 1 in
-  def rm : AVX512XSI<opc, MRMSrcMem, (outs RC:$dst), (ins x86memop:$src),
-              !strconcat(asm, "\t{$src, $dst|$dst, $src}"),
-               [(set RC:$dst, (ld_frag addr:$src))]>,
-               EVEX;
+  def rm : AVX512XSI<load_opc, MRMSrcMem, (outs RC:$dst), (ins x86memop:$src),
+                     !strconcat(asm, "\t{$src, $dst|$dst, $src}"),
+                     [(set RC:$dst, (ld_frag addr:$src))]>, EVEX;
+let mayStore = 1 in
+  def mr : AVX512XSI<store_opc, MRMDestMem, (outs),
+                     (ins x86memop:$dst, VR512:$src),
+                     !strconcat(asm, "\t{$src, $dst|$dst, $src}"), []>, EVEX;
 let Constraints = "$src1 = $dst" in {
-  def rrk : AVX512XSI<opc, MRMSrcReg, (outs RC:$dst),
+  def rrk : AVX512XSI<load_opc, MRMSrcReg, (outs RC:$dst),
                                       (ins RC:$src1, KRC:$mask, RC:$src2),
               !strconcat(asm, 
               "\t{$src2, ${dst} {${mask}}|${dst} {${mask}}, $src2}"), []>,
               EVEX, EVEX_K;
-  def rmk : AVX512XSI<opc, MRMSrcMem, (outs RC:$dst),
+  def rmk : AVX512XSI<load_opc, MRMSrcMem, (outs RC:$dst),
                                   (ins RC:$src1, KRC:$mask, x86memop:$src2),
               !strconcat(asm, 
               "\t{$src2, ${dst} {${mask}}|${dst} {${mask}}, $src2}"),
@@ -1141,11 +1135,22 @@ let Constraints = "$src1 = $dst" in {
 }
 }
 
-defm VMOVDQU32 : avx512_mov_int<0x6F, "vmovdqu32", VR512, VK16WM, memopv16i32, i512mem>,
+defm VMOVDQU32 : avx512_mov_int<0x6F, 0x7F, "vmovdqu32", VR512, VK16WM,
+                                memopv16i32, i512mem>,
                                 EVEX_V512, EVEX_CD8<32, CD8VF>;
-defm VMOVDQU64 : avx512_mov_int<0x6F, "vmovdqu64", VR512, VK8WM, memopv8i64, i512mem>,
+defm VMOVDQU64 : avx512_mov_int<0x6F, 0x7F, "vmovdqu64", VR512, VK8WM,
+                                memopv8i64, i512mem>,
                                 EVEX_V512, VEX_W, EVEX_CD8<64, CD8VF>;
 
+// 512-bit unaligned load/store
+def : Pat<(loadv8i64 addr:$src),         (VMOVDQU64rm addr:$src)>;
+def : Pat<(loadv16i32 addr:$src),        (VMOVDQU32rm addr:$src)>;
+
+def : Pat<(store (v8i64  VR512:$src), addr:$dst),
+          (VMOVDQU64mr addr:$dst, VR512:$src)>;
+def : Pat<(store (v16i32 VR512:$src), addr:$dst),
+          (VMOVDQU32mr addr:$dst, VR512:$src)>;
+
 let AddedComplexity = 20 in {
 def : Pat<(v16f32 (vselect VK16WM:$mask, (v16f32 VR512:$src1), 
                            (v16f32 VR512:$src2))),
diff --git a/lib/Target/X86/X86InstrFragmentsSIMD.td b/lib/Target/X86/X86InstrFragmentsSIMD.td
index c86b512b795..1fed424fd6e 100644
--- a/lib/Target/X86/X86InstrFragmentsSIMD.td
+++ b/lib/Target/X86/X86InstrFragmentsSIMD.td
@@ -289,6 +289,7 @@ def loadv4i64    : PatFrag<(ops node:$ptr), (v4i64 (load node:$ptr))>;
 // 512-bit load pattern fragments
 def loadv16f32   : PatFrag<(ops node:$ptr), (v16f32 (load node:$ptr))>;
 def loadv8f64    : PatFrag<(ops node:$ptr), (v8f64 (load node:$ptr))>;
+def loadv16i32   : PatFrag<(ops node:$ptr), (v16i32 (load node:$ptr))>;
 def loadv8i64    : PatFrag<(ops node:$ptr), (v8i64 (load node:$ptr))>;
 
 // 128-/256-/512-bit extload pattern fragments
diff --git a/test/CodeGen/X86/avx512-mov.ll b/test/CodeGen/X86/avx512-mov.ll
index 6c5c586afd0..91242b1cc12 100644
--- a/test/CodeGen/X86/avx512-mov.ll
+++ b/test/CodeGen/X86/avx512-mov.ll
@@ -125,3 +125,31 @@ define <4 x i32> @test15(i32* %x) {
    %res = insertelement <4 x i32>zeroinitializer, i32 %y, i32 0
    ret <4 x i32>%res
 }
+
+; CHECK-LABEL: test16
+; CHECK: vmovdqu32
+; CHECK: ret
+define <16 x i32> @test16(i8 * %addr) {
+  %vaddr = bitcast i8* %addr to <16 x i32>*
+  %res = load <16 x i32>* %vaddr, align 1
+  ret <16 x i32>%res
+}
+
+; CHECK-LABEL: test17
+; CHECK: vmovdqa32
+; CHECK: ret
+define <16 x i32> @test17(i8 * %addr) {
+  %vaddr = bitcast i8* %addr to <16 x i32>*
+  %res = load <16 x i32>* %vaddr, align 64
+  ret <16 x i32>%res
+}
+
+; CHECK-LABEL: test18
+; CHECK: vmovdqa64
+; CHECK: ret
+define void @test18(i8 * %addr, <8 x i64> %data) {
+  %vaddr = bitcast i8* %addr to <8 x i64>*
+  store <8 x i64>%data, <8 x i64>* %vaddr, align 64
+  ret void
+}
+