| #------------------------------------------------------------------------------ | |
| # | |
| # Copyright (c) 2006, Intel Corporation | |
| # 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. | |
| # | |
| # Module Name: | |
| # | |
| # ARShiftU64.asm | |
| # | |
| # Abstract: | |
| # | |
| # 64-bit arithmetic right shift function for IA-32 | |
| # | |
| #------------------------------------------------------------------------------ | |
| .global _ARShiftU64 | |
| _ARShiftU64: | |
| movb 12(%esp),%cl | |
| movl 8(%esp),%eax | |
| cltd | |
| testb $32,%cl | |
| # MISMATCH: " cmovz edx, eax" | |
| cmovz %eax, %edx | |
| # MISMATCH: " cmovz eax, [esp + 4]" | |
| cmovz 4(%esp), %eax | |
| shrdl %cl,%edx,%eax | |
| sar %cl,%edx | |
| ret | |