xref: /aosp_15_r20/external/compiler-rt/lib/builtins/x86_64/floatundisf.S (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6)
1*7c3d14c8STreehugger Robot// This file is dual licensed under the MIT and the University of Illinois Open
2*7c3d14c8STreehugger Robot// Source Licenses. See LICENSE.TXT for details.
3*7c3d14c8STreehugger Robot
4*7c3d14c8STreehugger Robot#include "../assembly.h"
5*7c3d14c8STreehugger Robot
6*7c3d14c8STreehugger Robot// float __floatundisf(du_int a);
7*7c3d14c8STreehugger Robot
8*7c3d14c8STreehugger Robot#ifdef __x86_64__
9*7c3d14c8STreehugger Robot
10*7c3d14c8STreehugger RobotCONST_SECTION
11*7c3d14c8STreehugger Robot
12*7c3d14c8STreehugger Robot	.balign 16
13*7c3d14c8STreehugger Robottwo:
14*7c3d14c8STreehugger Robot	.single 2.0
15*7c3d14c8STreehugger Robot
16*7c3d14c8STreehugger Robot#define REL_ADDR(_a)	(_a)(%rip)
17*7c3d14c8STreehugger Robot
18*7c3d14c8STreehugger Robot.text
19*7c3d14c8STreehugger Robot.balign 4
20*7c3d14c8STreehugger RobotDEFINE_COMPILERRT_FUNCTION(__floatundisf)
21*7c3d14c8STreehugger Robot	movq		$1,			%rsi
22*7c3d14c8STreehugger Robot	testq		%rdi,		%rdi
23*7c3d14c8STreehugger Robot	js			1f
24*7c3d14c8STreehugger Robot	cvtsi2ssq	%rdi,		%xmm0
25*7c3d14c8STreehugger Robot	ret
26*7c3d14c8STreehugger Robot
27*7c3d14c8STreehugger Robot1:	andq		%rdi,		%rsi
28*7c3d14c8STreehugger Robot	shrq		%rdi
29*7c3d14c8STreehugger Robot	orq			%rsi,		%rdi
30*7c3d14c8STreehugger Robot	cvtsi2ssq	%rdi,		%xmm0
31*7c3d14c8STreehugger Robot	mulss	REL_ADDR(two),	%xmm0
32*7c3d14c8STreehugger Robot	ret
33*7c3d14c8STreehugger RobotEND_COMPILERRT_FUNCTION(__floatundisf)
34*7c3d14c8STreehugger Robot
35*7c3d14c8STreehugger Robot#endif // __x86_64__
36*7c3d14c8STreehugger Robot
37*7c3d14c8STreehugger RobotNO_EXEC_STACK_DIRECTIVE
38*7c3d14c8STreehugger Robot
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