ref: bd9b5f065fdd1d2d11b12799c0c3d3ee77ea2291
dir: /sys/src/libc/power/getfcr.s/
TEXT getfcr(SB), $8 MOVFL FPSCR, F3 FMOVD F3, f-8(SP) MOVW -4(SP), R3 RETURN TEXT getfsr(SB), $8 MOVFL FPSCR, F3 FMOVD F3, f-8(SP) MOVW -4(SP), R3 RETURN TEXT setfcr(SB), $8 SYNC MOVW R3, -4(SP) FMOVD -8(SP), F3 MOVFL F3, FPSCR ISYNC RETURN TEXT setfsr(SB), $8 SYNC MOVW R3, -4(SP) FMOVD -8(SP), F3 MOVFL F3, FPSCR ISYNC RETURN