MdePkg: Replace Opcode with the corresponding instructions.

[mirror_edk2.git] / MdePkg / Library / BaseLib / X64 / RdRand.nasm

diff --git a/MdePkg/Library/BaseLib/X64/RdRand.nasm b/MdePkg/Library/BaseLib/X64/RdRand.nasm
index 7e7fe99670fa3eb81006c7d6903a0c14bdf53d03..73479be8d31fb758851aa3276d5f7460b2a92ecc 100644 (file)
--- a/MdePkg/Library/BaseLib/X64/RdRand.nasm
+++ b/MdePkg/Library/BaseLib/X64/RdRand.nasm
@@ -1,6 +1,6 @@
 ;------------------------------------------------------------------------------\r
 ;\r
-; Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r
+; Copyright (c) 2015 - 2022, Intel Corporation. All rights reserved.<BR>\r
 ; SPDX-License-Identifier: BSD-2-Clause-Patent\r
 ;\r
 ; Module Name:\r
@@ -26,9 +26,8 @@
 ;------------------------------------------------------------------------------\r
 global ASM_PFX(InternalX86RdRand16)\r
 ASM_PFX(InternalX86RdRand16):\r
-    ; rdrand   ax                  ; generate a 16 bit RN into eax,\r
+    rdrand eax                     ; generate a 16 bit RN into eax,\r
                                    ; CF=1 if RN generated ok, otherwise CF=0\r
-    db     0xf, 0xc7, 0xf0         ; rdrand r16: "0f c7 /6  ModRM:r/m(w)"\r
     jc     rn16_ok                 ; jmp if CF=1\r
     xor    rax, rax                ; reg=0 if CF=0\r
     ret                            ; return with failure status\r
@@ -45,9 +44,8 @@ rn16_ok:
 ;------------------------------------------------------------------------------\r
 global ASM_PFX(InternalX86RdRand32)\r
 ASM_PFX(InternalX86RdRand32):\r
-    ; rdrand   eax                 ; generate a 32 bit RN into eax,\r
+    rdrand eax                     ; generate a 32 bit RN into eax,\r
                                    ; CF=1 if RN generated ok, otherwise CF=0\r
-    db     0xf, 0xc7, 0xf0         ; rdrand r32: "0f c7 /6  ModRM:r/m(w)"\r
     jc     rn32_ok                 ; jmp if CF=1\r
     xor    rax, rax                ; reg=0 if CF=0\r
     ret                            ; return with failure status\r
@@ -64,9 +62,8 @@ rn32_ok:
 ;------------------------------------------------------------------------------\r
 global ASM_PFX(InternalX86RdRand64)\r
 ASM_PFX(InternalX86RdRand64):\r
-    ; rdrand   rax                 ; generate a 64 bit RN into rax,\r
+    rdrand rax                     ; generate a 64 bit RN into rax,\r
                                    ; CF=1 if RN generated ok, otherwise CF=0\r
-    db     0x48, 0xf, 0xc7, 0xf0   ; rdrand r64: "REX.W + 0f c7 /6 ModRM:r/m(w)"\r
     jc     rn64_ok                 ; jmp if CF=1\r
     xor    rax, rax                ; reg=0 if CF=0\r
     ret                            ; return with failure status\r