gcc/testsuite/gcc.target/aarch64/pragma_cpp_predefs_1.c

/* { dg-do compile } */
/* { dg-options "-O2 -march=armv8-a+crypto" } */

/* Test that pragma option pushing and popping works.
   Also that CPP predefines redefinitions on #pragma works.  */

#pragma GCC push_options
#pragma GCC target ("arch=armv8-a+nofp+nosimd")
#ifdef __ARM_FEATURE_FMA
#error "__ARM_FEATURE_FMA is defined but should not be!"
#endif

#ifdef __ARM_FP
#error "__ARM_FP is defined but should not be!"
#endif

#pragma GCC push_options
#pragma GCC target ("arch=armv8-a+fp+nosimd")
#ifndef __ARM_FP
#error "__ARM_FP is not defined but should be!"
#endif

#ifdef __ARM_NEON
#error "__ARM_NEON is defined but should not be!"
#endif

#pragma GCC push_options
#pragma GCC target ("arch=armv8-a+fp+simd")

#ifndef __ARM_NEON
#error "__ARM_NEON is not defined but should be!"
#endif

#ifdef __ARM_FEATURE_CRYPTO
#error "__ARM_FEATURE_CRYPTO is defined but should not be!"
#endif

#pragma GCC push_options
#pragma GCC target ("arch=armv8-a+fp+simd+crypto")

#ifndef __ARM_FEATURE_CRYPTO
#error "__ARM_FEATURE_CRYPTO is not defined but should be!"
#endif

#pragma GCC pop_options

#ifndef __ARM_NEON
#error "__ARM_NEON is not defined but should be!"
#endif

#ifdef __ARM_FEATURE_CRYPTO
#error "__ARM_FEATURE_CRYPTO is defined but should not be!"
#endif


#pragma GCC pop_options

#ifndef __ARM_FP
#error "__ARM_FP is not defined but should be!"
#endif

#ifdef __ARM_NEON
#error "__ARM_NEON is defined but should not be!"
#endif

#pragma GCC pop_options

#ifdef __ARM_FP
#error "__ARM_FP is defined but should not be!"
#endif

#ifdef __ARM_NEON
#error "__ARM_NEON is defined but should not be!"
#endif

/* And again, but using cpu=.  */

#pragma GCC push_options
#pragma GCC target ("cpu=cortex-a53+nofp+nosimd")
#ifdef __ARM_FEATURE_FMA
#error "__ARM_FEATURE_FMA is defined but should not be!"
#endif

#ifdef __ARM_FP
#error "__ARM_FP is defined but should not be!"
#endif

#pragma GCC push_options
#pragma GCC target ("cpu=cortex-a53+fp+nosimd")
#ifndef __ARM_FP
#error "__ARM_FP is not defined but should be!"
#endif

#ifdef __ARM_NEON
#error "__ARM_NEON is defined but should not be!"
#endif

#pragma GCC push_options
#pragma GCC target ("cpu=cortex-a53+fp+simd+nocrypto")

#ifndef __ARM_NEON
#error "__ARM_NEON is not defined but should be!"
#endif

#ifdef __ARM_FEATURE_CRYPTO
#error "__ARM_FEATURE_CRYPTO is defined but should not be!"
#endif

#pragma GCC push_options
#pragma GCC target ("cpu=cortex-a53+fp+simd+crypto")

#ifndef __ARM_FEATURE_CRYPTO
#error "__ARM_FEATURE_CRYPTO is not defined but should be!"
#endif


#pragma GCC pop_options

#ifndef __ARM_NEON
#error "__ARM_NEON is not defined but should be!"
#endif

#ifdef __ARM_FEATURE_CRYPTO
#error "__ARM_FEATURE_CRYPTO is defined but should not be!"
#endif


#pragma GCC pop_options

#ifndef __ARM_FP
#error "__ARM_FP is not defined but should be!"
#endif

#ifdef __ARM_NEON
#error "__ARM_NEON is defined but should not be!"
#endif

#pragma GCC pop_options

#ifdef __ARM_FP
#error "__ARM_FP is defined but should not be!"
#endif

#ifdef __ARM_NEON
#error "__ARM_NEON is defined but should not be!"
#endif

/* And again, but using just the ISA extensions.  */

#pragma GCC push_options
#pragma GCC target ("+nofp")
#ifdef __ARM_FEATURE_FMA
#error "__ARM_FEATURE_FMA is defined but should not be!"
#endif

#ifdef __ARM_FP
#error "__ARM_FP is defined but should not be!"
#endif

#pragma GCC push_options
#pragma GCC target ("+fp+nosimd")
#ifndef __ARM_FP
#error "__ARM_FP is not defined but should be!"
#endif

#ifdef __ARM_NEON
#error "__ARM_NEON is defined but should not be!"
#endif

#pragma GCC push_options
#pragma GCC target ("+fp+simd+nocrypto")

#ifndef __ARM_NEON
#error "__ARM_NEON is not defined but should be!"
#endif

#ifdef __ARM_FEATURE_CRYPTO
#error "__ARM_FEATURE_CRYPTO is defined but should not be!"
#endif

#pragma GCC push_options
#pragma GCC target ("+fp+simd+crypto")

#ifndef __ARM_FEATURE_CRYPTO
#error "__ARM_FEATURE_CRYPTO is not defined but should be!"
#endif

#pragma GCC pop_options

#ifndef __ARM_NEON
#error "__ARM_NEON is not defined but should be!"
#endif

#ifdef __ARM_FEATURE_CRYPTO
#error "__ARM_FEATURE_CRYPTO is defined but should not be!"
#endif


#pragma GCC pop_options

#ifndef __ARM_FP
#error "__ARM_FP is not defined but should be!"
#endif

#ifdef __ARM_NEON
#error "__ARM_NEON is defined but should not be!"
#endif

#pragma GCC pop_options

#ifdef __ARM_FP
#error "__ARM_FP is defined but should not be!"
#endif

#ifdef __ARM_NEON
#error "__ARM_NEON is defined but should not be!"
#endif

/* Make sure that general-regs-only works too.  */
#pragma GCC push_options
#pragma GCC target ("general-regs-only")
#ifdef __ARM_FEATURE_FMA
#error "__ARM_FEATURE_FMA is defined but should not be!"
#endif

#ifdef __ARM_FP
#error "__ARM_FP is defined but should not be!"
#endif

#ifdef __ARM_NEON
#error "__ARM_NEON is defined but should not be!"
#endif

#ifdef __ARM_FEATURE_CRYPTO
#error "__ARM_FEATURE_CRYPTO is defined but should not be!"
#endif

#pragma GCC pop_options

/* Also check that crc re-defines work.  */
#pragma GCC target ("+nocrc")
#ifdef __ARM_FEATURE_CRC32
#error "__ARM_FEATURE_CRC32 is defined but should not be!"
#endif

#pragma GCC target ("+crc")
#ifndef __ARM_FEATURE_CRC32
#error "__ARM_FEATURE_CRC32 is not defined but should be!"
#endif

int
foo (int a)
{
  return a;
}