X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ArmPkg%2FLibrary%2FCompilerIntrinsicsLib%2FArm%2Fclzsi2.S;h=4cef26575712597af1c7c3b9dced5569352944e4;hb=2281eb6f4885c8d78de69645fdee885c4e629b1b;hp=fedad749580130a5ff71dc303802e05c4a225663;hpb=d6ebcab76903254f4423b7e7d3808fb0abaadb46;p=mirror_edk2.git diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/clzsi2.S b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/clzsi2.S index fedad74958..4cef265757 100644 --- a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/clzsi2.S +++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/clzsi2.S @@ -1,57 +1,57 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.
-# -# This program and the accompanying materials -# are licensed and made available under the terms and conditions of the BSD License -# which accompanies this distribution. The full text of the license may be found at -# http://opensource.org/licenses/bsd-license.php -# -# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, -# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. -# -#------------------------------------------------------------------------------ - - .text - .align 2 - .globl ASM_PFX(__clzsi2) - -ASM_PFX(__clzsi2): - @ frame_needed = 1, uses_anonymous_args = 0 - stmfd sp!, {r7, lr} - add r7, sp, #0 - movs r3, r0, lsr #16 - movne r3, #16 - moveq r3, #0 - movne r9, #0 - moveq r9, #16 - mov r3, r0, lsr r3 - tst r3, #65280 - movne r0, #8 - moveq r0, #0 - movne lr, #0 - moveq lr, #8 - mov r3, r3, lsr r0 - tst r3, #240 - movne r0, #4 - moveq r0, #0 - movne ip, #0 - moveq ip, #4 - mov r3, r3, lsr r0 - tst r3, #12 - movne r0, #2 - moveq r0, #0 - movne r1, #0 - moveq r1, #2 - mov r2, r3, lsr r0 - add r3, lr, r9 - add r0, r3, ip - add r1, r0, r1 - mov r0, r2, lsr #1 - eor r0, r0, #1 - ands r0, r0, #1 - mvnne r0, #0 - rsb r3, r2, #2 - and r0, r0, r3 - add r0, r1, r0 - ldmfd sp!, {r7, pc} +#------------------------------------------------------------------------------ +# +# Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.
+# +# This program and the accompanying materials +# are licensed and made available under the terms and conditions of the BSD License +# which accompanies this distribution. The full text of the license may be found at +# http://opensource.org/licenses/bsd-license.php +# +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. +# +#------------------------------------------------------------------------------ + + .text + .align 2 + GCC_ASM_EXPORT(__clzsi2) + +ASM_PFX(__clzsi2): + @ frame_needed = 1, uses_anonymous_args = 0 + stmfd sp!, {r7, lr} + add r7, sp, #0 + movs r3, r0, lsr #16 + movne r3, #16 + moveq r3, #0 + movne r9, #0 + moveq r9, #16 + mov r3, r0, lsr r3 + tst r3, #65280 + movne r0, #8 + moveq r0, #0 + movne lr, #0 + moveq lr, #8 + mov r3, r3, lsr r0 + tst r3, #240 + movne r0, #4 + moveq r0, #0 + movne ip, #0 + moveq ip, #4 + mov r3, r3, lsr r0 + tst r3, #12 + movne r0, #2 + moveq r0, #0 + movne r1, #0 + moveq r1, #2 + mov r2, r3, lsr r0 + add r3, lr, r9 + add r0, r3, ip + add r1, r0, r1 + mov r0, r2, lsr #1 + eor r0, r0, #1 + ands r0, r0, #1 + mvnne r0, #0 + rsb r3, r2, #2 + and r0, r0, r3 + add r0, r1, r0 + ldmfd sp!, {r7, pc}