[PATCH] D36326: [MIPS] Use ABI to determine stack alignment.

[John Baldwin via Phabricator via llvm-commits]

bsdjhb updated this revision to Diff 110086.
bsdjhb added a comment.

Add tests for older -mcpu arguments with N64 ABI.


https://reviews.llvm.org/D36326

Files:
  lib/Target/Mips/MipsSubtarget.h
  test/CodeGen/Mips/stack-alignment.ll


Index: test/CodeGen/Mips/stack-alignment.ll
===================================================================
--- test/CodeGen/Mips/stack-alignment.ll
+++ test/CodeGen/Mips/stack-alignment.ll
@@ -1,5 +1,7 @@
 ; RUN: llc -march=mipsel < %s | FileCheck %s -check-prefix=32
 ; RUN: llc -march=mipsel -mattr=+fp64 < %s | FileCheck %s -check-prefix=32
+; RUN: llc -march=mips64el -mcpu=mips3 < %s | FileCheck %s -check-prefix=64
+; RUN: llc -march=mips64el -mcpu=mips4 < %s | FileCheck %s -check-prefix=64
 ; RUN: llc -march=mips64el -mcpu=mips64 < %s | FileCheck %s -check-prefix=64
 
 ; 32:      addiu  $sp, $sp, -8
Index: lib/Target/Mips/MipsSubtarget.h
===================================================================
--- lib/Target/Mips/MipsSubtarget.h
+++ lib/Target/Mips/MipsSubtarget.h
@@ -295,7 +295,9 @@
   // really use them if in addition we are in mips16 mode
   static bool useConstantIslands();
 
-  unsigned stackAlignment() const { return hasMips64() ? 16 : 8; }
+  unsigned stackAlignment() const {
+    return isABI_N32() || isABI_N64() ? 16 : 8;
+  }
 
   // Grab relocation model
   Reloc::Model getRelocationModel() const;


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