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/sourcery.S | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/ArmPkg/Library/CompilerIntrinsicsLib/Arm/sourcery.S')
| -rw-r--r-- | roms/edk2/ArmPkg/Library/CompilerIntrinsicsLib/Arm/sourcery.S | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/roms/edk2/ArmPkg/Library/CompilerIntrinsicsLib/Arm/sourcery.S b/roms/edk2/ArmPkg/Library/CompilerIntrinsicsLib/Arm/sourcery.S new file mode 100644 index 000000000..81459fcfc --- /dev/null +++ b/roms/edk2/ArmPkg/Library/CompilerIntrinsicsLib/Arm/sourcery.S @@ -0,0 +1,49 @@ +#------s------------------------------------------------------------------------
+#
+# Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+#------------------------------------------------------------------------------
+
+
+ .text
+ .align 2
+ GCC_ASM_EXPORT(__aeabi_ulcmp)
+
+ASM_PFX(__aeabi_ulcmp):
+ stmfd sp!, {r4, r5, r8}
+ cmp r3, r1
+ mov r8, r0
+ mov r9, r1
+ mov r4, r2
+ mov r5, r3
+ bls L16
+L2:
+ mvn r0, #0
+L1:
+ ldmfd sp!, {r4, r5, r8}
+ bx lr
+L16:
+ beq L17
+L4:
+ cmp r9, r5
+ bhi L7
+ beq L18
+ cmp r8, r4
+L14:
+ cmpeq r9, r5
+ moveq r0, #0
+ beq L1
+ b L1
+L18:
+ cmp r8, r4
+ bls L14
+L7:
+ mov r0, #1
+ b L1
+L17:
+ cmp r2, r0
+ bhi L2
+ b L4
+
|