[zlib] Expose Intel SSE2 via CPU features
Add x86_cpu_enable_sse2 in cpu_features.c. Update external symbols for
the new name exposed x86_cpu_enable_sse2.
Also, add cpu_check_features to the symbols list (was missing and it's
defined as a ZLIB_INTERNAL symbol).
Bug: 1072308
Change-Id: Ibedfdb0c2e17a20b6f09f49b43ef383b0aa3029b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2156328
Commit-Queue: Noel Gordon <noel@chromium.org>
Reviewed-by: Chris Blume <cblume@chromium.org>
Reviewed-by: Adenilson Cavalcanti <cavalcantii@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#760858}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: aba86d62e3b8524f2520ad8797900fbe2f7a55ba
diff --git a/cpu_features.h b/cpu_features.h
index 2a4a797..c7b15c5 100644
--- a/cpu_features.h
+++ b/cpu_features.h
@@ -11,6 +11,7 @@
*/
extern int arm_cpu_enable_crc32;
extern int arm_cpu_enable_pmull;
+extern int x86_cpu_enable_sse2;
extern int x86_cpu_enable_ssse3;
extern int x86_cpu_enable_simd;