external/boringssl: Sync to ea52ec98a56a40879b37493f3d1da1a1679e1fba.

This includes the following changes:

https://boringssl.googlesource.com/boringssl/+log/21baf6421a7e1e03f85cf2243c3c2404f5765072..ea52ec98a56a40879b37493f3d1da1a1679e1fba

Test: BoringSSL CTS Presubmits.
Change-Id: I6ebeb5f2aa7daa462c9d8933d9d5388011054fac

6 files changed, 27 insertions, 0 deletions

diff --git a/linux-arm/crypto/chacha/chacha-armv4.S b/linux-arm/crypto/chacha/chacha-armv4.S
index 6c947734..bb48d172 100644
--- a/linux-arm/crypto/chacha/chacha-armv4.S
+++ b/linux-arm/crypto/chacha/chacha-armv4.S
@@ -1,6 +1,10 @@
 #if defined(__arm__)
 #include <openssl/arm_arch.h>
 
+@ Silence ARMv8 deprecated IT instruction warnings. This file is used by both
+@ ARMv7 and ARMv8 processors and does not use ARMv8 instructions.
+.arch	armv7-a
+
 .text
 #if defined(__thumb2__) || defined(__clang__)
 .syntax	unified
diff --git a/linux-arm/crypto/fipsmodule/aes-armv4.S b/linux-arm/crypto/fipsmodule/aes-armv4.S
index d401fc78..5e49e087 100644
--- a/linux-arm/crypto/fipsmodule/aes-armv4.S
+++ b/linux-arm/crypto/fipsmodule/aes-armv4.S
@@ -45,6 +45,11 @@
 # define __ARM_ARCH__ __LINUX_ARM_ARCH__
 #endif
 
+@ Silence ARMv8 deprecated IT instruction warnings. This file is used by both
+@ ARMv7 and ARMv8 processors and does not use ARMv8 instructions. (ARMv8 AES
+@ instructions are in aesv8-armx.pl.)
+.arch	armv7-a
+
 .text
 #if defined(__thumb2__) && !defined(__APPLE__)
 .syntax	unified
diff --git a/linux-arm/crypto/fipsmodule/armv4-mont.S b/linux-arm/crypto/fipsmodule/armv4-mont.S
index e77a9ea6..1181a451 100644
--- a/linux-arm/crypto/fipsmodule/armv4-mont.S
+++ b/linux-arm/crypto/fipsmodule/armv4-mont.S
@@ -1,6 +1,10 @@
 #if defined(__arm__)
 #include <openssl/arm_arch.h>
 
+@ Silence ARMv8 deprecated IT instruction warnings. This file is used by both
+@ ARMv7 and ARMv8 processors and does not use ARMv8 instructions.
+.arch	armv7-a
+
 .text
 #if defined(__thumb2__)
 .syntax	unified
diff --git a/linux-arm/crypto/fipsmodule/ghash-armv4.S b/linux-arm/crypto/fipsmodule/ghash-armv4.S
index 5f8b50d5..2ead9797 100644
--- a/linux-arm/crypto/fipsmodule/ghash-armv4.S
+++ b/linux-arm/crypto/fipsmodule/ghash-armv4.S
@@ -1,6 +1,11 @@
 #if defined(__arm__)
 #include <openssl/arm_arch.h>
 
+@ Silence ARMv8 deprecated IT instruction warnings. This file is used by both
+@ ARMv7 and ARMv8 processors and does not use ARMv8 instructions. (ARMv8 PMULL
+@ instructions are in aesv8-armx.pl.)
+.arch	armv7-a
+
 .text
 #if defined(__thumb2__) || defined(__clang__)
 .syntax	unified
diff --git a/linux-arm/crypto/fipsmodule/sha256-armv4.S b/linux-arm/crypto/fipsmodule/sha256-armv4.S
index f37fd7c7..3479a756 100644
--- a/linux-arm/crypto/fipsmodule/sha256-armv4.S
+++ b/linux-arm/crypto/fipsmodule/sha256-armv4.S
@@ -51,6 +51,11 @@
 # define __ARM_MAX_ARCH__ 7
 #endif
 
+@ Silence ARMv8 deprecated IT instruction warnings. This file is used by both
+@ ARMv7 and ARMv8 processors. It does have ARMv8-only code, but those
+@ instructions are manually-encoded. (See unsha256.)
+.arch	armv7-a
+
 .text
 #if defined(__thumb2__)
 .syntax	unified
diff --git a/linux-arm/crypto/fipsmodule/sha512-armv4.S b/linux-arm/crypto/fipsmodule/sha512-armv4.S
index bbeddf92..f02c0ff3 100644
--- a/linux-arm/crypto/fipsmodule/sha512-armv4.S
+++ b/linux-arm/crypto/fipsmodule/sha512-armv4.S
@@ -64,6 +64,10 @@
 # define VFP_ABI_POP
 #endif
 
+@ Silence ARMv8 deprecated IT instruction warnings. This file is used by both
+@ ARMv7 and ARMv8 processors and does not use ARMv8 instructions.
+.arch	armv7-a
+
 #ifdef __ARMEL__
 # define LO 0
 # define HI 4