ref: f3ac883d0db6842870cdabd44ed938b92de87d71
dir: /sys/src/libc/power64/getfcr.s/
TEXT getfcr(SB), $8 MOVFL FPSCR, F3 FMOVD F3, f-8(SP) MOVW -4(SP), RARG RETURN TEXT getfsr(SB), $8 MOVFL FPSCR, F3 FMOVD F3, f-8(SP) MOVW -4(SP), RARG RETURN TEXT setfcr(SB), $8 SYNC MOVW RARG, -4(SP) FMOVD -8(SP), F3 MOVFL F3, FPSCR ISYNC RETURN TEXT setfsr(SB), $8 SYNC MOVW RARG, -4(SP) FMOVD -8(SP), F3 MOVFL F3, FPSCR ISYNC RETURN