| // | |
| // Copyright (c) 2016, Linaro Limited | |
| // All rights reserved. | |
| // | |
| // Redistribution and use in source and binary forms, with or without | |
| // modification, are permitted provided that the following conditions are met: | |
| // * Redistributions of source code must retain the above copyright | |
| // notice, this list of conditions and the following disclaimer. | |
| // * Redistributions in binary form must reproduce the above copyright | |
| // notice, this list of conditions and the following disclaimer in the | |
| // documentation and/or other materials provided with the distribution. | |
| // * Neither the name of the Linaro nor the | |
| // names of its contributors may be used to endorse or promote products | |
| // derived from this software without specific prior written permission. | |
| // | |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
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| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
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| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| // | |
| .text | |
| .align 5 | |
| ASM_GLOBAL ASM_PFX(InternalMemCompareGuid) | |
| ASM_PFX(InternalMemCompareGuid): | |
| mov x2, xzr | |
| ldp x3, x4, [x0] | |
| cbz x1, 0f | |
| ldp x1, x2, [x1] | |
| 0: cmp x1, x3 | |
| ccmp x2, x4, #0, eq | |
| cset w0, eq | |
| ret |