ref: cde4b93a27af60da423b3ed387de5f7a31ba32b7
dir: /sys/src/ape/lib/9/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