Breaking Change: merge BoringSSL branch into master

third_party/boringssl/mac-x86_64/crypto/rand/rdrand-x86_64.S

Index: third_party/boringssl/mac-x86_64/crypto/rand/rdrand-x86_64.S
diff --git a/third_party/boringssl/mac-x86_64/crypto/rand/rdrand-x86_64.S b/third_party/boringssl/mac-x86_64/crypto/rand/rdrand-x86_64.S
new file mode 100644
index 0000000000000000000000000000000000000000..f0df296e1a3c8bb13de7dd57e51bd55f998f0261
--- /dev/null
+++ b/third_party/boringssl/mac-x86_64/crypto/rand/rdrand-x86_64.S
@@ -0,0 +1,48 @@
+#if defined(__x86_64__)
+.text	
+
+
+
+
+.globl	_CRYPTO_rdrand
+.private_extern _CRYPTO_rdrand
+
+.p2align	4
+_CRYPTO_rdrand:
+	xorq	%rax,%rax
+
+
+.byte	0x48, 0x0f, 0xc7, 0xf1
+
+	adcq	%rax,%rax
+	movq	%rcx,0(%rdi)
+	.byte	0xf3,0xc3
+
+
+
+
+
+.globl	_CRYPTO_rdrand_multiple8_buf
+.private_extern _CRYPTO_rdrand_multiple8_buf
+
+.p2align	4
+_CRYPTO_rdrand_multiple8_buf:
+	testq	%rsi,%rsi
+	jz	L$out
+	movq	$8,%rdx
+L$loop:
+
+
+.byte	0x48, 0x0f, 0xc7, 0xf1
+	jnc	L$err
+	movq	%rcx,0(%rdi)
+	addq	%rdx,%rdi
+	subq	%rdx,%rsi
+	jnz	L$loop
+L$out:
+	movq	$1,%rax
+	.byte	0xf3,0xc3
+L$err:
+	xorq	%rax,%rax
+	.byte	0xf3,0xc3
+#endif