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Merge pull request #11208 from kjbracey-arm/atomic_thumb1 

Atomics: GCC fix for M23 (again)
pull/11188/head
Anna Bridge 2019-08-15 13:01:02 +01:00 committed by GitHub
parent f9eb870a47 d31879a1d4
commit 033fffea84
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platform/internal/mbed_atomic_impl.h
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@ -141,6 +141,7 @@ extern "C" {
#elif defined __clang__ || defined __GNUC__ #elif defined __clang__ || defined __GNUC__
#define DO_MBED_LOCKFREE_NEWVAL_2OP_ASM(OP, Constants, M) \ #define DO_MBED_LOCKFREE_NEWVAL_2OP_ASM(OP, Constants, M) \
__asm volatile ( \ __asm volatile ( \
".syntax unified\n\t" \
"LDREX"#M "\t%[newValue], %[value]\n\t" \ "LDREX"#M "\t%[newValue], %[value]\n\t" \
#OP "\t%[newValue], %[arg]\n\t" \ #OP "\t%[newValue], %[arg]\n\t" \
"STREX"#M "\t%[fail], %[newValue], %[value]\n\t" \ "STREX"#M "\t%[fail], %[newValue], %[value]\n\t" \