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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/s390/lib/tishift.S
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/* SPDX-License-Identifier: GPL-2.0 */

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#include <linux/export.h>

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#include <linux/linkage.h>

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#include <asm/nospec-insn.h>

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	.section .noinstr.text, "ax"

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	GEN_BR_THUNK %r14

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SYM_FUNC_START(__ashlti3)

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	lmg	%r0,%r1,0(%r3)

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	cije	%r4,0,1f

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	lhi	%r3,64

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	sr	%r3,%r4

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	jnh	0f

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	srlg	%r3,%r1,0(%r3)

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	sllg	%r0,%r0,0(%r4)

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	sllg	%r1,%r1,0(%r4)

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	ogr	%r0,%r3

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	j	1f

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0:	sllg	%r0,%r1,-64(%r4)

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	lghi	%r1,0

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1:	stmg	%r0,%r1,0(%r2)

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	BR_EX	%r14

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SYM_FUNC_END(__ashlti3)

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EXPORT_SYMBOL(__ashlti3)

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SYM_FUNC_START(__ashrti3)

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	lmg	%r0,%r1,0(%r3)

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	cije	%r4,0,1f

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	lhi	%r3,64

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	sr	%r3,%r4

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	jnh	0f

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	sllg	%r3,%r0,0(%r3)

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	srlg	%r1,%r1,0(%r4)

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	srag	%r0,%r0,0(%r4)

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	ogr	%r1,%r3

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	j	1f

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0:	srag	%r1,%r0,-64(%r4)

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	srag	%r0,%r0,63

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1:	stmg	%r0,%r1,0(%r2)

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	BR_EX	%r14

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SYM_FUNC_END(__ashrti3)

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EXPORT_SYMBOL(__ashrti3)

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SYM_FUNC_START(__lshrti3)

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	lmg	%r0,%r1,0(%r3)

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	cije	%r4,0,1f

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	lhi	%r3,64

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	sr	%r3,%r4

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	jnh	0f

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	sllg	%r3,%r0,0(%r3)

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	srlg	%r1,%r1,0(%r4)

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	srlg	%r0,%r0,0(%r4)

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	ogr	%r1,%r3

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	j	1f

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0:	srlg	%r1,%r0,-64(%r4)

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	lghi	%r0,0

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1:	stmg	%r0,%r1,0(%r2)

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	BR_EX	%r14

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SYM_FUNC_END(__lshrti3)

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EXPORT_SYMBOL(__lshrti3)

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