tools/testing/selftests/powerpc/math/fpu_asm.S

Source file repositories/reference/linux-study-clean/tools/testing/selftests/powerpc/math/fpu_asm.S

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/powerpc/math/fpu_asm.S
Extension
.S
Size
3238 bytes
Lines
166
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: tools
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#include "basic_asm.h"
#include "fpu_asm.h"

FUNC_START(check_fpu)
	mr r4,r3
	li	r3,1 # assume a bad result
	lfd	f0,0(r4)
	fcmpu	cr1,f0,f14
	bne	cr1,1f
	lfd	f0,8(r4)
	fcmpu	cr1,f0,f15
	bne	cr1,1f
	lfd	f0,16(r4)
	fcmpu	cr1,f0,f16
	bne	cr1,1f
	lfd	f0,24(r4)
	fcmpu	cr1,f0,f17
	bne	cr1,1f
	lfd	f0,32(r4)
	fcmpu	cr1,f0,f18
	bne	cr1,1f
	lfd	f0,40(r4)
	fcmpu	cr1,f0,f19
	bne	cr1,1f
	lfd	f0,48(r4)
	fcmpu	cr1,f0,f20
	bne	cr1,1f
	lfd	f0,56(r4)
	fcmpu	cr1,f0,f21
	bne	cr1,1f
	lfd	f0,64(r4)
	fcmpu	cr1,f0,f22
	bne	cr1,1f
	lfd	f0,72(r4)
	fcmpu	cr1,f0,f23
	bne	cr1,1f
	lfd	f0,80(r4)
	fcmpu	cr1,f0,f24
	bne	cr1,1f
	lfd	f0,88(r4)
	fcmpu	cr1,f0,f25
	bne	cr1,1f
	lfd	f0,96(r4)
	fcmpu	cr1,f0,f26
	bne	cr1,1f
	lfd	f0,104(r4)
	fcmpu	cr1,f0,f27
	bne	cr1,1f
	lfd	f0,112(r4)
	fcmpu	cr1,f0,f28
	bne	cr1,1f
	lfd	f0,120(r4)
	fcmpu	cr1,f0,f29
	bne	cr1,1f
	lfd	f0,128(r4)
	fcmpu	cr1,f0,f30
	bne	cr1,1f
	lfd	f0,136(r4)
	fcmpu	cr1,f0,f31
	bne	cr1,1f
	li	r3,0 # Success!!!
1:	blr


// int check_all_fprs(double darray[32])
FUNC_START(check_all_fprs)
	PUSH_BASIC_STACK(8)
	mr	r4, r3	// r4 = darray
	li	r3, 1	// prepare for failure

Annotation

Implementation Notes