void restore_fpu()

in kernel/cpu/sh4/fpu.c [91:137]

• 46 lines of code
• 1 McCabe index (conditional complexity)

void restore_fpu(struct task_struct *tsk)
{
	unsigned long dummy;

	enable_fpu();
	asm volatile ("lds	%2, fpscr\n\t"
		      "fmov.s	@%0+, fr0\n\t"
		      "fmov.s	@%0+, fr1\n\t"
		      "fmov.s	@%0+, fr2\n\t"
		      "fmov.s	@%0+, fr3\n\t"
		      "fmov.s	@%0+, fr4\n\t"
		      "fmov.s	@%0+, fr5\n\t"
		      "fmov.s	@%0+, fr6\n\t"
		      "fmov.s	@%0+, fr7\n\t"
		      "fmov.s	@%0+, fr8\n\t"
		      "fmov.s	@%0+, fr9\n\t"
		      "fmov.s	@%0+, fr10\n\t"
		      "fmov.s	@%0+, fr11\n\t"
		      "fmov.s	@%0+, fr12\n\t"
		      "fmov.s	@%0+, fr13\n\t"
		      "fmov.s	@%0+, fr14\n\t"
		      "fmov.s	@%0+, fr15\n\t"
		      "frchg\n\t"
		      "fmov.s	@%0+, fr0\n\t"
		      "fmov.s	@%0+, fr1\n\t"
		      "fmov.s	@%0+, fr2\n\t"
		      "fmov.s	@%0+, fr3\n\t"
		      "fmov.s	@%0+, fr4\n\t"
		      "fmov.s	@%0+, fr5\n\t"
		      "fmov.s	@%0+, fr6\n\t"
		      "fmov.s	@%0+, fr7\n\t"
		      "fmov.s	@%0+, fr8\n\t"
		      "fmov.s	@%0+, fr9\n\t"
		      "fmov.s	@%0+, fr10\n\t"
		      "fmov.s	@%0+, fr11\n\t"
		      "fmov.s	@%0+, fr12\n\t"
		      "fmov.s	@%0+, fr13\n\t"
		      "fmov.s	@%0+, fr14\n\t"
		      "fmov.s	@%0+, fr15\n\t"
		      "frchg\n\t"
		      "lds.l	@%0+, fpscr\n\t"
		      "lds.l	@%0+, fpul\n\t"
		      :"=r" (dummy)
		      :"0" (tsk->thread.xstate), "r" (FPSCR_RCHG)
		      :"memory");
	disable_fpu();
}