ref: 7a447151ae273bf08e596f57b7b9aaa1de11da33
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