mirror of
https://github.com/archlinuxarm/PKGBUILDs.git
synced 2024-11-18 22:54:00 +00:00
74 lines
2 KiB
Diff
74 lines
2 KiB
Diff
Index: trunk/Source/WTF/wtf/Atomics.h
|
|
===================================================================
|
|
--- trunk/Source/WTF/wtf/Atomics.h (revision 166233)
|
|
+++ trunk/Source/WTF/wtf/Atomics.h (revision 166234)
|
|
@@ -105,20 +105,34 @@
|
|
"movw %1, #1\n\t"
|
|
"ldrex %2, %0\n\t"
|
|
"cmp %3, %2\n\t"
|
|
"bne.n 0f\n\t"
|
|
"strex %1, %4, %0\n\t"
|
|
"0:"
|
|
: "+Q"(*location), "=&r"(result), "=&r"(tmp)
|
|
: "r"(expected), "r"(newValue)
|
|
: "memory");
|
|
result = !result;
|
|
+#elif CPU(ARM64) && COMPILER(GCC)
|
|
+ unsigned tmp;
|
|
+ unsigned result;
|
|
+ asm volatile(
|
|
+ "mov %w1, #1\n\t"
|
|
+ "ldxr %w2, [%0]\n\t"
|
|
+ "cmp %w3, %w2\n\t"
|
|
+ "b.ne 0f\n\t"
|
|
+ "stxr %w1, %w4, [%0]\n\t"
|
|
+ "0:"
|
|
+ : "+r"(location), "=&r"(result), "=&r"(tmp)
|
|
+ : "r"(expected), "r"(newValue)
|
|
+ : "memory");
|
|
+ result = !result;
|
|
#elif CPU(ARM64)
|
|
unsigned tmp;
|
|
unsigned result;
|
|
asm volatile(
|
|
"mov %w1, #1\n\t"
|
|
"ldxr %w2, %0\n\t"
|
|
"cmp %w3, %w2\n\t"
|
|
"b.ne 0f\n\t"
|
|
"stxr %w1, %w4, %0\n\t"
|
|
"0:"
|
|
@@ -145,20 +159,34 @@
|
|
#if CPU(X86_64)
|
|
bool result;
|
|
asm volatile(
|
|
"lock; cmpxchgq %3, %2\n\t"
|
|
"sete %1"
|
|
: "+a"(expected), "=q"(result), "+m"(*location)
|
|
: "r"(newValue)
|
|
: "memory"
|
|
);
|
|
return result;
|
|
+#elif CPU(ARM64) && COMPILER(GCC)
|
|
+ bool result;
|
|
+ void* tmp;
|
|
+ asm volatile(
|
|
+ "mov %w1, #1\n\t"
|
|
+ "ldxr %x2, [%0]\n\t"
|
|
+ "cmp %x3, %x2\n\t"
|
|
+ "b.ne 0f\n\t"
|
|
+ "stxr %w1, %x4, [%0]\n\t"
|
|
+ "0:"
|
|
+ : "+r"(location), "=&r"(result), "=&r"(tmp)
|
|
+ : "r"(expected), "r"(newValue)
|
|
+ : "memory");
|
|
+ return !result;
|
|
#elif CPU(ARM64)
|
|
bool result;
|
|
void* tmp;
|
|
asm volatile(
|
|
"mov %w1, #1\n\t"
|
|
"ldxr %x2, %0\n\t"
|
|
"cmp %x3, %x2\n\t"
|
|
"b.ne 0f\n\t"
|
|
"stxr %w1, %x4, %0\n\t"
|
|
"0:"
|