Release 4.7 arch/s390/include/asm/fpu/api.h

/*
 * In-kernel FPU support functions
 *
 * Copyright IBM Corp. 2015
 * Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
 */

#ifndef _ASM_S390_FPU_API_H

#define _ASM_S390_FPU_API_H

void save_fpu_regs(void);



static inline int test_fp_ctl(u32 fpc)
{
	u32 orig_fpc;
	int rc;

	asm volatile(
                "       efpc    %1\n"
                "       sfpc    %2\n"
                "0:     sfpc    %1\n"
                "       la      %0,0\n"
                "1:\n"
                EX_TABLE(0b,1b)
                : "=d" (rc), "=&d" (orig_fpc)
                : "d" (fpc), "0" (-EINVAL));
	return rc;
}

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#endif /* _ASM_S390_FPU_API_H */
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Directory: arch/s390/include/asm/fpu

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