diff options
Diffstat (limited to 'ArmPkg/Library/CompilerIntrinsicsLib/Arm/ldivmod.S')
| -rwxr-xr-x | ArmPkg/Library/CompilerIntrinsicsLib/Arm/ldivmod.S | 118 |
1 files changed, 59 insertions, 59 deletions
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ldivmod.S b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ldivmod.S index 02ecdfe8d7..510778ab07 100755 --- a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ldivmod.S +++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ldivmod.S @@ -1,59 +1,59 @@ -//------------------------------------------------------------------------------ -// -// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR> -// -// 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(__aeabi_ldivmod) - -// -// A pair of (unsigned) long longs is returned in {{r0, r1}, {r2, r3}}, -// the quotient in {r0, r1}, and the remainder in {r2, r3}. -// -//__value_in_regs lldiv_t -//EFIAPI -//__aeabi_ldivmod ( -// IN UINT64 Dividen -// IN UINT64 Divisor -// )// -// - -ASM_PFX(__aeabi_ldivmod): - push {r4,lr} - asrs r4,r1,#1 - eor r4,r4,r3,LSR #1 - bpl L_Test1 - rsbs r0,r0,#0 - rsc r1,r1,#0 -L_Test1: - tst r3,r3 - bpl L_Test2 - rsbs r2,r2,#0 - rsc r3,r3,#0 -L_Test2: - bl ASM_PFX(__aeabi_uldivmod) - tst r4,#0x40000000 - beq L_Test3 - rsbs r0,r0,#0 - rsc r1,r1,#0 -L_Test3: - tst r4,#0x80000000 - beq L_Exit - rsbs r2,r2,#0 - rsc r3,r3,#0 -L_Exit: - pop {r4,pc} - - - +//------------------------------------------------------------------------------
+//
+// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+//
+// 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(__aeabi_ldivmod)
+
+//
+// A pair of (unsigned) long longs is returned in {{r0, r1}, {r2, r3}},
+// the quotient in {r0, r1}, and the remainder in {r2, r3}.
+//
+//__value_in_regs lldiv_t
+//EFIAPI
+//__aeabi_ldivmod (
+// IN UINT64 Dividen
+// IN UINT64 Divisor
+// )//
+//
+
+ASM_PFX(__aeabi_ldivmod):
+ push {r4,lr}
+ asrs r4,r1,#1
+ eor r4,r4,r3,LSR #1
+ bpl L_Test1
+ rsbs r0,r0,#0
+ rsc r1,r1,#0
+L_Test1:
+ tst r3,r3
+ bpl L_Test2
+ rsbs r2,r2,#0
+ rsc r3,r3,#0
+L_Test2:
+ bl ASM_PFX(__aeabi_uldivmod)
+ tst r4,#0x40000000
+ beq L_Test3
+ rsbs r0,r0,#0
+ rsc r1,r1,#0
+L_Test3:
+ tst r4,#0x80000000
+ beq L_Exit
+ rsbs r2,r2,#0
+ rsc r3,r3,#0
+L_Exit:
+ pop {r4,pc}
+
+
+
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