Commit a5040d5e authored by Kai Nacke's avatar Kai Nacke
Browse files

[SytemZ] Disable vector ABI when using option -march=arch[8|9|10] 

When specifying -march=arch[8|9|10], those CPU types do NOT support
the vector extension. In this case the vector ABI must be disabled.
The generated data layout should NOT contain 64-v128.

Reviewers: uweigand

Differential Revision: https://reviews.llvm.org/D74146
parent 68908993

clang/test/CodeGen/target-data.c

+12 −0
Original line number Diff line number Diff line
@@ -193,6 +193,18 @@ 


// RUN: %clang_cc1 -triple s390x-unknown -o - -emit-llvm %s | \

// RUN: FileCheck %s -check-prefix=SYSTEMZ

// RUN: %clang_cc1 -triple s390x-unknown -target-cpu z10 -o - -emit-llvm %s | \

// RUN: FileCheck %s -check-prefix=SYSTEMZ

// RUN: %clang_cc1 -triple s390x-unknown -target-cpu arch8 -o - -emit-llvm %s | \

// RUN: FileCheck %s -check-prefix=SYSTEMZ

// RUN: %clang_cc1 -triple s390x-unknown -target-cpu z196 -o - -emit-llvm %s | \

// RUN: FileCheck %s -check-prefix=SYSTEMZ

// RUN: %clang_cc1 -triple s390x-unknown -target-cpu arch9 -o - -emit-llvm %s | \

// RUN: FileCheck %s -check-prefix=SYSTEMZ

// RUN: %clang_cc1 -triple s390x-unknown -target-cpu zEC12 -o - -emit-llvm %s | \

// RUN: FileCheck %s -check-prefix=SYSTEMZ

// RUN: %clang_cc1 -triple s390x-unknown -target-cpu arch10 -o - -emit-llvm %s | \

// RUN: FileCheck %s -check-prefix=SYSTEMZ

// RUN: %clang_cc1 -triple s390x-unknown -target-cpu z13 -target-feature +soft-float -o - -emit-llvm %s | \

// RUN: FileCheck %s -check-prefix=SYSTEMZ

// SYSTEMZ: target datalayout = "E-m:e-i1:8:16-i8:8:16-i64:64-f128:64-a:8:16-n32:64"

llvm/lib/Target/SystemZ/SystemZTargetMachine.cpp

+2 −1
Original line number Diff line number Diff line
@@ -42,7 +42,8 @@ static bool UsesVectorABI(StringRef CPU, StringRef FS) { 
  bool VectorABI = true;

  bool SoftFloat = false;

  if (CPU.empty() || CPU == "generic" ||

      CPU == "z10" || CPU == "z196" || CPU == "zEC12")

      CPU == "z10" || CPU == "z196" || CPU == "zEC12" ||

      CPU == "arch8" || CPU == "arch9" || CPU == "arch10")

    VectorABI = false;



  SmallVector<StringRef, 3> Features;