[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / MultU64x32.S

#------------------------------------------------------------------------------\r
#\r
# Copyright (c) 2006 - 2008, Intel Corporation\r
# All rights reserved. This program and the accompanying materials\r
# are licensed and made available under the terms and conditions of the BSD License\r
# which accompanies this distribution.  The full text of the license may be found at\r
# http://opensource.org/licenses/bsd-license.php\r
#\r
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
#\r
# Module Name:\r
#\r
#   MultU64x32.S\r
#\r
# Abstract:\r
#\r
#   Calculate the product of a 64-bit integer and a 32-bit integer\r
#\r
#------------------------------------------------------------------------------\r
\r
    .386:\r
    .code:\r
\r
ASM_GLOBAL ASM_PFX(InternalMathMultU64x32)\r
\r
#------------------------------------------------------------------------------\r
# UINT64\r
# EFIAPI\r
# InternalMathMultU64x32 (\r
#   IN      UINT64                    Multiplicand,\r
#   IN      UINT32                    Multiplier\r
#   );\r
#------------------------------------------------------------------------------\r
ASM_PFX(InternalMathMultU64x32):\r
    movl    12(%esp), %ecx\r
    movl    %ecx, %eax\r
    imull   8(%esp), %ecx               # overflow not detectable\r
    mull    0x4(%esp)\r
    addl    %ecx, %edx\r
    ret\r
Commit	Line	Data
b1ff428c	1	#------------------------------------------------------------------------------\r
	2	#\r
	3	# Copyright (c) 2006 - 2008, Intel Corporation\r
	4	# All rights reserved. This program and the accompanying materials\r
	5	# are licensed and made available under the terms and conditions of the BSD License\r
	6	# which accompanies this distribution. The full text of the license may be found at\r
	7	# http://opensource.org/licenses/bsd-license.php\r
	8	#\r
	9	# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	10	# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	11	#\r
	12	# Module Name:\r
	13	#\r
	14	# MultU64x32.S\r
	15	#\r
	16	# Abstract:\r
	17	#\r
	18	# Calculate the product of a 64-bit integer and a 32-bit integer\r
	19	#\r
	20	#------------------------------------------------------------------------------\r
	21	\r
	22	.386:\r
	23	.code:\r
	24	\r
132f41f0	25	ASM_GLOBAL ASM_PFX(InternalMathMultU64x32)\r
b1ff428c	26	\r
	27	#------------------------------------------------------------------------------\r
	28	# UINT64\r
	29	# EFIAPI\r
	30	# InternalMathMultU64x32 (\r
	31	# IN UINT64 Multiplicand,\r
	32	# IN UINT32 Multiplier\r
	33	# );\r
	34	#------------------------------------------------------------------------------\r
	35	ASM_PFX(InternalMathMultU64x32):\r
	36	movl 12(%esp), %ecx\r
	37	movl %ecx, %eax\r
	38	imull 8(%esp), %ecx # overflow not detectable\r
	39	mull 0x4(%esp)\r
	40	addl %ecx, %edx\r
	41	ret\r