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[builtins] Use FlushInstructionCache on windows on aarch64 as well 

Generalize this handling to a separate toplevel ifdef (since any
windows case should use the same function), instead of indenting
the aarch64 case one step further.

Differential Revision: https://reviews.llvm.org/D42197

llvm-svn: 322928
This commit is contained in:
Martin Storsjo 2018-01-19 07:34:46 +00:00
parent 4a7c8e7aa2
commit fe011a6ed9
1 changed files with 2 additions and 2 deletions
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4
compiler-rt/lib/builtins/clear_cache.c
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@ -96,6 +96,8 @@ void __clear_cache(void *start, void *end) {
* Intel processors have a unified instruction and data cache
* so there is nothing to do
*/
#elif defined(_WIN32) && (defined(__arm__) || defined(__aarch64__))
FlushInstructionCache(GetCurrentProcess(), start, end - start);
#elif defined(__arm__) && !defined(__APPLE__)
#if defined(__FreeBSD__) || defined(__NetBSD__)
struct arm_sync_icache_args arg;
@ -123,8 +125,6 @@ void __clear_cache(void *start, void *end) {
: "r"(syscall_nr), "r"(start_reg), "r"(end_reg),
"r"(flags));
assert(start_reg == 0 && "Cache flush syscall failed.");
#elif defined(_WIN32)
FlushInstructionCache(GetCurrentProcess(), start, end - start);
#else
compilerrt_abort();
#endif