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builtins: repair the Darwin build for ARM64 #9310

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Merged
merged 1 commit into from
Sep 20, 2024
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builtins: repair the Darwin build for ARM64 #9310

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5 changes: 5 additions & 0 deletions compiler-rt/lib/builtins/aarch64/lse.S
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Original file line number Diff line number Diff line change
Expand Up @@ -127,8 +127,13 @@ HIDDEN(SYMBOL_NAME(__aarch64_have_lse_atomics))

// Macro for branch to label if no LSE available
.macro JUMP_IF_NOT_LSE label
#if defined(__APPLE__)
adrp x(tmp0), SYMBOL_NAME(__aarch64_have_lse_atomics)@page
ldrb w(tmp0), [x(tmp0), SYMBOL_NAME(__aarch64_have_lse_atomics)@pageoff]
#else
adrp x(tmp0), SYMBOL_NAME(__aarch64_have_lse_atomics)
ldrb w(tmp0), [x(tmp0), :lo12:SYMBOL_NAME(__aarch64_have_lse_atomics)]
#endif
cbz w(tmp0), \label
.endm

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