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/linux-5.19.10/arch/powerpc/math-emu/
Dmath_efp.c724 union dw_union fgpr; in speround_handler() local
753 fgpr.wp[0] = current->thread.evr[fc]; in speround_handler()
754 fgpr.wp[1] = regs->gpr[fc]; in speround_handler()
787 if (fgpr.wp[1] == 0) in speround_handler()
795 if (fgpr.wp[1] == 0) in speround_handler()
797 if (fgpr.wp[0] == 0) in speround_handler()
806 if (fgpr.wp[1] == 0) in speround_handler()
815 pr_debug("round fgpr: %08x %08x\n", fgpr.wp[0], fgpr.wp[1]); in speround_handler()
824 if (!s_lo) fgpr.wp[1]++; /* Z > 0, choose Z1 */ in speround_handler()
828 fgpr.wp[1]++; /* Z < 0, choose Z2 */ in speround_handler()
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