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

4 files changed, 151 insertions, 1 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}
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf b/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf
index b1429737c7..b9c5130d50 100644
--- a/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf
+++ b/ArmPkg/Library/CompilerIntrinsicsLib/CompilerIntrinsicsLib.inf
@@ -1,4 +1,4 @@
-#%HEADER%
+
 #/** @file
 #  Base Library implementation.
 #
@@ -79,6 +79,9 @@
 #  Arm/clzsi2.c     | GCC
 #  Arm/ctzsi2.c     | GCC
 #  Arm/ucmpdi2.c    | GCC
+  Arm/clzsi2.S     | GCC
+  Arm/ctzsi2.S     | GCC
+  Arm/ucmpdi2.S    | GCC
   Arm/switch8.S    | GCC
   Arm/switchu8.S   | GCC
   Arm/switch16.S   | GCC