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Remove unused symbol __aarch64 

This was added as a possible variant of __aarch64__ back when 64-bit
ARM was vaporware. It hasn't shown up in the wild since then, so remove.

Nathan Bossart

Discussion: https://www.postgresql.org/message-id/CAFBsxsEN5nW3uRh%3Djrs-QexDrC1btu0ZfriD3FFfb%3D3J6tAngg%40mail.gmail.com
This commit is contained in:
John Naylor 2022-08-25 13:37:40 +07:00
parent b4ddf3ee30
commit 4112e39f70
3 changed files with 7 additions and 8 deletions
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3
src/include/port/atomics.h
View File

@ -63,8 +63,7 @@
* compiler barrier.
*
*/
#if defined(__arm__) || defined(__arm) || \
defined(__aarch64__) || defined(__aarch64)
#if defined(__arm__) || defined(__arm) || defined(__aarch64__)
#include "port/atomics/arch-arm.h"
#elif defined(__i386__) || defined(__i386) || defined(__x86_64__)
#include "port/atomics/arch-x86.h"

4
src/include/port/atomics/arch-arm.h
View File

@ -21,7 +21,7 @@
* 64 bit atomics on ARM32 are implemented using kernel fallbacks and thus
* might be slow, so disable entirely. On ARM64 that problem doesn't exist.
*/
#if !defined(__aarch64__) && !defined(__aarch64)
#if !defined(__aarch64__)
#define PG_DISABLE_64_BIT_ATOMICS
#else
/*
@ -29,4 +29,4 @@
* general purpose register is atomic.
*/
#define PG_HAVE_8BYTE_SINGLE_COPY_ATOMICITY
#endif /* __aarch64__ || __aarch64 */
#endif /* __aarch64__ */

8
src/include/storage/s_lock.h
View File

@ -256,7 +256,7 @@ spin_delay(void)
* We use the int-width variant of the builtin because it works on more chips
* than other widths.
*/
#if defined(__arm__) || defined(__arm) || defined(__aarch64__) || defined(__aarch64)
#if defined(__arm__) || defined(__arm) || defined(__aarch64__)
#ifdef HAVE_GCC__SYNC_INT32_TAS
#define HAS_TEST_AND_SET
@ -277,7 +277,7 @@ tas(volatile slock_t *lock)
* high-core-count ARM64 processors. It seems mostly a wash for smaller gear,
* and ISB doesn't exist at all on pre-v7 ARM chips.
*/
#if defined(__aarch64__) || defined(__aarch64)
#if defined(__aarch64__)
#define SPIN_DELAY() spin_delay()
@ -288,9 +288,9 @@ spin_delay(void)
" isb; \n");
}
#endif /* __aarch64__ || __aarch64 */
#endif /* __aarch64__ */
#endif /* HAVE_GCC__SYNC_INT32_TAS */
#endif /* __arm__ || __arm || __aarch64__ || __aarch64 */
#endif /* __arm__ || __arm || __aarch64__ */
/*