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Ensure i686-nacl long long is aligned 8 bytes (like malign-double) 

Set NaCl OSTargetInfo to have LongLongAlign = 64. Otherwise, it will
pick up the setting of 32 from X86_32TargetInfo.

llvm-svn: 199335
This commit is contained in:
Jan Wen Voung 2014-01-15 21:42:41 +00:00
parent eba44ea533
commit 1f9c4ee464
3 changed files with 45 additions and 7 deletions
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2
clang/lib/Basic/Targets.cpp
View File

@ -619,6 +619,8 @@ public:
this->DoubleAlign = 64;
this->LongDoubleWidth = 64;
this->LongDoubleAlign = 64;
this->LongLongWidth = 64;
this->LongLongAlign = 64;
this->SizeType = TargetInfo::UnsignedInt;
this->PtrDiffType = TargetInfo::SignedInt;
this->IntPtrType = TargetInfo::SignedInt;

7
clang/test/CodeGen/long-double-x86-nacl.c
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@ -1,7 +0,0 @@
// RUN: %clang_cc1 %s -emit-llvm -o - -triple=i686-unknown-nacl | FileCheck %s
long double x = 0;
int checksize[sizeof(x) == 8 ? 1 : -1];
// CHECK-LABEL: define void @s1(double %a)
void s1(long double a) {}

43
clang/test/CodeGen/malign-double-x86-nacl.c Normal file
View File

@ -0,0 +1,43 @@
// RUN: %clang_cc1 %s -emit-llvm -o - -triple=i686-unknown-nacl | FileCheck %s
// Check that i686-nacl essentially has -malign-double, which aligns
// double, long double, and long long to 64-bits.
int checksize[sizeof(long double) == 8 ? 1 : -1];
int checkalign[__alignof(long double) == 8 ? 1 : -1];
// CHECK-LABEL: define void @s1(double %a)
void s1(long double a) {}
struct st_ld {
char c;
long double ld;
};
int checksize2[sizeof(struct st_ld) == 16 ? 1 : -1];
int checkalign2[__alignof(struct st_ld) == 8 ? 1 : -1];
int checksize3[sizeof(double) == 8 ? 1 : -1];
int checkalign3[__alignof(double) == 8 ? 1 : -1];
// CHECK-LABEL: define void @s2(double %a)
void s2(double a) {}
struct st_d {
char c;
double d;
};
int checksize4[sizeof(struct st_d) == 16 ? 1 : -1];
int checkalign4[__alignof(struct st_d) == 8 ? 1 : -1];
int checksize5[sizeof(long long) == 8 ? 1 : -1];
int checkalign5[__alignof(long long) == 8 ? 1 : -1];
// CHECK-LABEL: define void @s3(i64 %a)
void s3(long long a) {}
struct st_ll {
char c;
long long ll;
};
int checksize6[sizeof(struct st_ll) == 16 ? 1 : -1];
int checkalign6[__alignof(struct st_ll) == 8 ? 1 : -1];