diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashldi3.S | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashldi3.S')
| -rw-r--r-- | roms/edk2/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashldi3.S | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/roms/edk2/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashldi3.S b/roms/edk2/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashldi3.S new file mode 100644 index 000000000..dee659b66 --- /dev/null +++ b/roms/edk2/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ashldi3.S @@ -0,0 +1,27 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#------------------------------------------------------------------------------
+
+#include <AsmMacroIoLib.h>
+
+ASM_FUNC(__ashldi3)
+ cmp r2, #31
+ bls L2
+ cmp r2, #63
+ subls r2, r2, #32
+ movls r2, r0, asl r2
+ movhi r2, #0
+ mov r1, r2
+ mov r0, #0
+ bx lr
+L2:
+ cmp r2, #0
+ rsbne r3, r2, #32
+ movne r3, r0, lsr r3
+ movne r0, r0, asl r2
+ orrne r1, r3, r1, asl r2
+ bx lr
|