Author: asl Date: Fri Jan 25 00:51:53 2019 New Revision: 352177 URL: http://llvm.org/viewvc/llvm-project?rev=352177&view=rev Log: [MSP430] Ajust f32/f64 alignment according to MSP430 EABI
Patch by Kristina Bessonova! Differential Revision: https://reviews.llvm.org/D57015 Added: cfe/trunk/test/CodeGen/msp430-align.c Modified: cfe/trunk/lib/Basic/Targets/MSP430.h cfe/trunk/test/Preprocessor/init.c Modified: cfe/trunk/lib/Basic/Targets/MSP430.h URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Basic/Targets/MSP430.h?rev=352177&r1=352176&r2=352177&view=diff ============================================================================== --- cfe/trunk/lib/Basic/Targets/MSP430.h (original) +++ cfe/trunk/lib/Basic/Targets/MSP430.h Fri Jan 25 00:51:53 2019 @@ -33,6 +33,10 @@ public: LongWidth = 32; LongLongWidth = 64; LongAlign = LongLongAlign = 16; + FloatWidth = 32; + FloatAlign = 16; + DoubleWidth = LongDoubleWidth = 64; + DoubleAlign = LongDoubleAlign = 16; PointerWidth = 16; PointerAlign = 16; SuitableAlign = 16; @@ -51,6 +55,8 @@ public: return None; } + bool allowsLargerPreferedTypeAlignment() const override { return false; } + bool hasFeature(StringRef Feature) const override { return Feature == "msp430"; } Added: cfe/trunk/test/CodeGen/msp430-align.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/msp430-align.c?rev=352177&view=auto ============================================================================== --- cfe/trunk/test/CodeGen/msp430-align.c (added) +++ cfe/trunk/test/CodeGen/msp430-align.c Fri Jan 25 00:51:53 2019 @@ -0,0 +1,23 @@ +// RUN: %clang_cc1 -triple msp430-elf -emit-llvm %s -o - | FileCheck %s + +// MSP430 target prefers chars to be aligned to 8 bit and other types to 16 bit. + +// CHECK: @c ={{.*}}global i8 1, align 1 +// CHECK: @s ={{.*}}global i16 266, align 2 +// CHECK: @i ={{.*}}global i16 266, align 2 +// CHECK: @l ={{.*}}global i32 16909060, align 2 +// CHECK: @ll ={{.*}}global i64 283686952306183, align 2 +// CHECK: @f ={{.*}}global float 1.000000e+00, align 2 +// CHECK: @d ={{.*}}global double 1.000000e+00, align 2 +// CHECK: @ld ={{.*}}global double 1.000000e+00, align 2 +// CHECK: @p ={{.*}}global i8* @c, align 2 + +char c = 1; +short s = 266; +int i = 266; +long l = 16909060; +long long ll = 283686952306183; +float f = 1.0f; +double d = 1.0; +long double ld = 1.0; +char *p = &c; Modified: cfe/trunk/test/Preprocessor/init.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Preprocessor/init.c?rev=352177&r1=352176&r2=352177&view=diff ============================================================================== --- cfe/trunk/test/Preprocessor/init.c (original) +++ cfe/trunk/test/Preprocessor/init.c Fri Jan 25 00:51:53 2019 @@ -5158,7 +5158,7 @@ // MSP430:#define __SIZE_MAX__ 65535U // MSP430:#define __SIZE_TYPE__ unsigned int // MSP430:#define __SIZE_WIDTH__ 16 -// MSP430-CXX:#define __STDCPP_DEFAULT_NEW_ALIGNMENT__ 8U +// MSP430-CXX:#define __STDCPP_DEFAULT_NEW_ALIGNMENT__ 2U // MSP430:#define __UINT16_C_SUFFIX__ U // MSP430:#define __UINT16_MAX__ 65535U // MSP430:#define __UINT16_TYPE__ unsigned short _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits