[PATCH] D92256: [VE] Specify vector alignments

[Kazushi Marukawa via Phabricator via cfe-commits]

kaz7 created this revision.
kaz7 added reviewers: simoll, k-ishizaka.
kaz7 added projects: LLVM, VE.
Herald added subscribers: llvm-commits, cfe-commits, hiraditya.
Herald added a project: clang.
kaz7 requested review of this revision.

Specify alignments for all vector types.  Update a regression test also.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D92256

Files:
  clang/lib/Basic/Targets/VE.h
  clang/test/CodeGen/target-data.c
  llvm/lib/Target/VE/VETargetMachine.cpp


Index: llvm/lib/Target/VE/VETargetMachine.cpp
===================================================================
--- llvm/lib/Target/VE/VETargetMachine.cpp
+++ llvm/lib/Target/VE/VETargetMachine.cpp
@@ -44,6 +44,19 @@
   // Stack alignment is 128 bits
   Ret += "-S128";
 
+  // Vector alignments are 64 bits
+  // Need to define all of them.  Otherwise, each alignment becomes
+  // the size of each data by default.
+  Ret += "-v64:64:64"; // for v2f32
+  Ret += "-v128:64:64";
+  Ret += "-v256:64:64";
+  Ret += "-v512:64:64";
+  Ret += "-v1024:64:64";
+  Ret += "-v2048:64:64";
+  Ret += "-v4096:64:64";
+  Ret += "-v8192:64:64";
+  Ret += "-v16384:64:64"; // for v256f64
+
   return Ret;
 }
 
Index: clang/test/CodeGen/target-data.c
===================================================================
--- clang/test/CodeGen/target-data.c
+++ clang/test/CodeGen/target-data.c
@@ -281,4 +281,4 @@
 
 // RUN: %clang_cc1 -triple ve -o - -emit-llvm %s | \
 // RUN: FileCheck %s -check-prefix=VE
-// VE: target datalayout = "e-m:e-i64:64-n32:64-S128"
+// VE: target datalayout = "e-m:e-i64:64-n32:64-S128-v64:64:64-v128:64:64-v256:64:64-v512:64:64-v1024:64:64-v2048:64:64-v4096:64:64-v8192:64:64-v16384:64:64"
Index: clang/lib/Basic/Targets/VE.h
===================================================================
--- clang/lib/Basic/Targets/VE.h
+++ clang/lib/Basic/Targets/VE.h
@@ -45,7 +45,9 @@
     WCharType = UnsignedInt;
     WIntType = UnsignedInt;
     UseZeroLengthBitfieldAlignment = true;
-    resetDataLayout("e-m:e-i64:64-n32:64-S128");
+    resetDataLayout(
+        "e-m:e-i64:64-n32:64-S128-v64:64:64-v128:64:64-v256:64:64-v512:64:64-"
+        "v1024:64:64-v2048:64:64-v4096:64:64-v8192:64:64-v16384:64:64");
   }
 
   void getTargetDefines(const LangOptions &Opts,


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