tree 708d29356d438d6f13b7d3d7ff59b2f84c95266f
parent 80880ee9985484d39355d2827ce5cb9343a07e91
author Corentin Wallez <cwallez@chromium.org> 1579698316 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1579698316 +0000

Fix compilation of Log2(uint64_t) on MSVC

The _BitScanReverse64 intrinsic only exists when compiling for 64bit.
Replace it by two calls to _BitScanReverse (the 32bit one) when on
32bit.

Bug:
Change-Id: Ie294327ec914b0ca4a73732e4b78c1f2a08f100f
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/15321
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>