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libc/armv8-m: fix build break if MVE is disabled

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machine/arm/armv8-m/gnu/arch_memcpy.S: Assembler messages:
machine/arm/armv8-m/gnu/arch_memcpy.S:105: Error: bad instruction `prologue push_ip=HAVE_PAC_LEAF'
machine/arm/armv8-m/gnu/arch_memcpy.S:121: Error: bad instruction `epilogue push_ip=HAVE_PAC_LEAF'
make[1]: *** [Makefile:143: bin/arch_memcpy.o] Error

Signed-off-by: chao an <anchao@xiaomi.com>
This commit is contained in:
chao an 2023-05-05 11:36:58 +08:00 committed by Alin Jerpelea
parent 91d34ffd09
commit d6747dd6ad
1 changed files with 3 additions and 1 deletions
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4
libs/libc/machine/arm/armv8-m/gnu/arch_memcpy.S
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@ -29,7 +29,6 @@
*
****************************************************************************/
#ifndef __ARM_FEATURE_MVE
/* This memcpy routine is optimised for Cortex-M3/M4 cores with/without
unaligned access.
@ -50,8 +49,11 @@
__OPT_BIG_BLOCK_SIZE: Size of big block in words. Default to 64.
__OPT_MID_BLOCK_SIZE: Size of big block in words. Default to 16.
*/
#include "arm_asm.h"
#ifndef __ARM_FEATURE_MVE
#ifndef __OPT_BIG_BLOCK_SIZE
#define __OPT_BIG_BLOCK_SIZE (4 * 16)
#endif