Compiler.h: drop gcc_alignas(), use plain C++11 alignas()

This commit is contained in:
Max Kellermann 2016-11-18 08:52:44 +01:00
parent 2f76f9da89
commit 219a756abc
3 changed files with 5 additions and 13 deletions

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@ -160,14 +160,6 @@
#define gcc_restrict
#endif
/* C++11 features */
#if defined(__cplusplus)
#define gcc_alignas(T, fallback) alignas(T)
#endif
#ifndef __has_feature
// define dummy macro for non-clang compilers
#define __has_feature(x) 0

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@ -50,7 +50,7 @@
*/
template<class T>
class Manual {
gcc_alignas(T, 8)
alignas(T)
char data[sizeof(T)];
#ifndef NDEBUG

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@ -49,9 +49,9 @@ CPPUNIT_TEST_SUITE_REGISTRATION(ByteReverseTest);
void
ByteReverseTest::TestByteReverse2()
{
static const char src[] gcc_alignas(uint16_t, 2) = "123456";
static const char src[] alignas(uint16_t) = "123456";
static const char result[] = "214365";
static uint8_t dest[ARRAY_SIZE(src)] gcc_alignas(uint16_t, 2);
static uint8_t dest[ARRAY_SIZE(src)] alignas(uint16_t);
reverse_bytes(dest, (const uint8_t *)src,
(const uint8_t *)(src + ARRAY_SIZE(src) - 1), 2);
@ -73,9 +73,9 @@ ByteReverseTest::TestByteReverse3()
void
ByteReverseTest::TestByteReverse4()
{
static const char src[] gcc_alignas(uint32_t, 4) = "12345678";
static const char src[] alignas(uint32_t) = "12345678";
static const char result[] = "43218765";
static uint8_t dest[ARRAY_SIZE(src)] gcc_alignas(uint32_t, 4);
static uint8_t dest[ARRAY_SIZE(src)] alignas(uint32_t);
reverse_bytes(dest, (const uint8_t *)src,
(const uint8_t *)(src + ARRAY_SIZE(src) - 1), 4);