diff options
Diffstat (limited to 'absl/base/internal/unscaledcycleclock.cc')
| -rw-r--r-- | absl/base/internal/unscaledcycleclock.cc | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/absl/base/internal/unscaledcycleclock.cc b/absl/base/internal/unscaledcycleclock.cc index b1c396c6..05e0e7ba 100644 --- a/absl/base/internal/unscaledcycleclock.cc +++ b/absl/base/internal/unscaledcycleclock.cc @@ -71,13 +71,12 @@ int64_t UnscaledCycleClock::Now() { #else int32_t tbu, tbl, tmp; asm volatile( - "0:\n" "mftbu %[hi32]\n" "mftb %[lo32]\n" "mftbu %[tmp]\n" "cmpw %[tmp],%[hi32]\n" - "bne 0b\n" - : [ hi32 ] "=r"(tbu), [ lo32 ] "=r"(tbl), [ tmp ] "=r"(tmp)); + "bne $-16\n" // Retry on failure. + : [hi32] "=r"(tbu), [lo32] "=r"(tbl), [tmp] "=r"(tmp)); return (static_cast<int64_t>(tbu) << 32) | tbl; #endif #endif |