summaryrefslogtreecommitdiff
path: root/ArmPkg/Library/CompilerIntrinsicsLib/Arm
diff options
context:
space:
mode:
authorAJFISH <AJFISH@6f19259b-4bc3-4df7-8a09-765794883524>2010-01-12 18:23:25 +0000
committerAJFISH <AJFISH@6f19259b-4bc3-4df7-8a09-765794883524>2010-01-12 18:23:25 +0000
commit06dc4de11b391315b24ac0445991d0b11c861d42 (patch)
tree273626f8bba2a6c3d14d5d41dccd637362290543 /ArmPkg/Library/CompilerIntrinsicsLib/Arm
parent95157291b0d5d1c4438a19a1f6695077ba580334 (diff)
downloadedk2-platforms-06dc4de11b391315b24ac0445991d0b11c861d42.tar.xz
Add some missing 64-bit math functions for gcc
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9715 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPkg/Library/CompilerIntrinsicsLib/Arm')
-rw-r--r--ArmPkg/Library/CompilerIntrinsicsLib/Arm/clzsi2.S57
-rw-r--r--ArmPkg/Library/CompilerIntrinsicsLib/Arm/ctzsi2.S51
-rw-r--r--ArmPkg/Library/CompilerIntrinsicsLib/Arm/ucmpdi2.S39
3 files changed, 147 insertions, 0 deletions
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/clzsi2.S b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/clzsi2.S
new file mode 100644
index 0000000000..9b12731613
--- /dev/null
+++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/clzsi2.S
@@ -0,0 +1,57 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2008-2010 Apple Inc. All rights reserved.
+#
+# 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 ___clzsi2
+___clzsi2:
+ @ args = 0, pretend = 0, frame = 0
+ @ 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}
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ctzsi2.S b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ctzsi2.S
new file mode 100644
index 0000000000..78f29ec607
--- /dev/null
+++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ctzsi2.S
@@ -0,0 +1,51 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2008-2010 Apple Inc. All rights reserved.
+#
+# 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 ___ctzsi2
+___ctzsi2:
+ @ args = 0, pretend = 0, frame = 0
+ @ frame_needed = 0, uses_anonymous_args = 0
+ @ link register save eliminated.
+ uxth r3, r0
+ cmp r3, #0
+ moveq ip, #16
+ movne ip, #0
+ @ lr needed for prologue
+ mov r0, r0, lsr ip
+ tst r0, #255
+ movne r3, #0
+ moveq r3, #8
+ mov r0, r0, lsr r3
+ tst r0, #15
+ movne r1, #0
+ moveq r1, #4
+ add r3, r3, ip
+ mov r0, r0, lsr r1
+ tst r0, #3
+ movne r2, #0
+ moveq r2, #2
+ add r3, r3, r1
+ mov r0, r0, lsr r2
+ and r0, r0, #3
+ add r2, r3, r2
+ eor r3, r0, #1
+ mov r0, r0, lsr #1
+ ands r3, r3, #1
+ mvnne r3, #0
+ rsb r0, r0, #2
+ and r0, r3, r0
+ add r0, r2, r0
+ bx lr
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ucmpdi2.S b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ucmpdi2.S
new file mode 100644
index 0000000000..a6ecc73349
--- /dev/null
+++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/ucmpdi2.S
@@ -0,0 +1,39 @@
+#------------------------------------------------------------------------------
+#
+# Copyright (c) 2008-2010 Apple Inc. All rights reserved.
+#
+# 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 ___ucmpdi2
+___ucmpdi2:
+ @ args = 0, pretend = 0, frame = 0
+ @ frame_needed = 0, uses_anonymous_args = 0
+ stmfd sp!, {r4, r5, r8, lr}
+ cmp r1, r3
+ mov r8, r0
+ mov r4, r2
+ mov r5, r3
+ bcc L2
+ bhi L4
+ cmp r0, r2
+ bcc L2
+ movls r0, #1
+ bls L8
+ b L4
+L2:
+ mov r0, #0
+ b L8
+L4:
+ mov r0, #2
+L8:
+ ldmfd sp!, {r4, r5, r8, pc}