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authorIan Lance Taylor <ian@gcc.gnu.org>2018-03-07 14:31:03 +0000
committerIan Lance Taylor <ian@gcc.gnu.org>2018-03-07 14:31:03 +0000
commit2dab5d909f20be950c35ab4767ba1e0b64cb6bbc (patch)
treea2f3871cade9720ac021f8cdb38d3be3270e83be /gcc
parent6cde8c545b8a300409863c70526189d3f7f659df (diff)
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runtime: use a fence instruction before rdtsc
This implements the same choices made in the gc runtime, except that for 32-bit x86 we only use the fence instruction if the processor supports SSE2. The code here is hacked up for speed; the gc runtime uses straight assembler. Reviewed-on: https://go-review.googlesource.com/97715 From-SVN: r258336
Diffstat (limited to 'gcc')
-rw-r--r--gcc/go/gofrontend/MERGE2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index 3862939..26293e5 100644
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-3287064c24cbf0c50776cdb87a720d29130b4363
+2a07cd31927ac943104f55d2b696e53e7cd073b3
The first line of this file holds the git revision number of the last
merge done from the gofrontend repository.