threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
37 lines
717 B
ArmAsm
37 lines
717 B
ArmAsm
/* SPDX-License-Identifier: GPL-2.0 */
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#include <linux/linkage.h>
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#include <asm/export.h>
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.text
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.align 4
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ENTRY(__multi3) /* %o0 = u, %o1 = v */
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mov %o1, %g1
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srl %o3, 0, %o4
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mulx %o4, %g1, %o1
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srlx %g1, 0x20, %g3
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mulx %g3, %o4, %g7
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sllx %g7, 0x20, %o5
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srl %g1, 0, %o4
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sub %o1, %o5, %o5
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srlx %o5, 0x20, %o5
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addcc %g7, %o5, %g7
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srlx %o3, 0x20, %o5
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mulx %o4, %o5, %o4
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mulx %g3, %o5, %o5
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sethi %hi(0x80000000), %g3
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addcc %g7, %o4, %g7
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srlx %g7, 0x20, %g7
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add %g3, %g3, %g3
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movcc %xcc, %g0, %g3
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addcc %o5, %g7, %o5
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sllx %o4, 0x20, %o4
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add %o1, %o4, %o1
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add %o5, %g3, %g2
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mulx %g1, %o2, %g1
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add %g1, %g2, %g1
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mulx %o0, %o3, %o0
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retl
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add %g1, %o0, %o0
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ENDPROC(__multi3)
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EXPORT_SYMBOL(__multi3)
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