diff options
Diffstat (limited to 'sysdeps/alpha/div_libc.h')
| -rw-r--r-- | sysdeps/alpha/div_libc.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/sysdeps/alpha/div_libc.h b/sysdeps/alpha/div_libc.h index 9856643..27209bd 100644 --- a/sysdeps/alpha/div_libc.h +++ b/sysdeps/alpha/div_libc.h @@ -111,3 +111,48 @@ DIVBYZERO: cfi_endproc .size DIVBYZERO, .-DIVBYZERO .endm + +/* Like the ev6 instructions, but fall back to stack use on prior machines. */ + + .arch ev6 + +.macro _ITOFS gr, fr, slot +#ifdef __alpha_fix__ + itofs \gr, \fr +#else + stl \gr, \slot($sp) + lds \fr, \slot($sp) +#endif +.endm + +.macro _ITOFT gr, fr, slot +#ifdef __alpha_fix__ + itoft \gr, \fr +#else + stq \gr, \slot($sp) + ldt \fr, \slot($sp) +#endif +.endm + +.macro _FTOIT fr, gr, slot +#ifdef __alpha_fix__ + ftoit \fr, \gr +#else + stt \fr, \slot($sp) + ldq \gr, \slot($sp) +#endif +.endm + +/* Similarly, but move two registers. Schedules better for pre-ev6. */ + +.macro _ITOFT2 gr1, fr1, slot1, gr2, fr2, slot2 +#ifdef __alpha_fix__ + itoft \gr1, \fr1 + itoft \gr2, \fr2 +#else + stq \gr1, \slot1($sp) + stq \gr2, \slot2($sp) + ldt \fr1, \slot1($sp) + ldt \fr2, \slot2($sp) +#endif +.endm |