tanya/arch/x64/linux/math/log.S

49 lines
1.1 KiB
ArmAsm

.text
// logl.
.globl _D5tanya4math8nbtheory2lnFNaNbNiNfeZe
.type _D5tanya4math8nbtheory2lnFNaNbNiNfeZe, @function
_D5tanya4math8nbtheory2lnFNaNbNiNfeZe:
fldln2 // Put lb(e) onto the FPU stack
fldt 8(%rsp) // Put the argument onto the FPU stack
fyl2x // %st1 * lb(%st0)
ret
// log.
.globl _D5tanya4math8nbtheory2lnFNaNbNiNfdZd
.type _D5tanya4math8nbtheory2lnFNaNbNiNfdZd, @function
_D5tanya4math8nbtheory2lnFNaNbNiNfdZd:
movsd %xmm0, -8(%rsp) // Put the argument onto the stack
fldln2 // Put lb(e) onto the FPU stack
fldl -8(%rsp) // Put a double onto the FPU stack
fyl2x // %st1 * lb(%st0)
// The result is on the FPU stack, but returned in %xmm0
fstpl -8(%rsp)
movsd -8(%rsp), %xmm0
ret
// logf.
.globl _D5tanya4math8nbtheory2lnFNaNbNiNffZf
.type _D5tanya4math8nbtheory2lnFNaNbNiNffZf, @function
_D5tanya4math8nbtheory2lnFNaNbNiNffZf:
movss %xmm0, -4(%rsp) // Put the argument onto the stack
fldln2 // Put lb(e) onto the FPU stack
flds -4(%rsp) // Put a float onto the FPU stack
fyl2x // %st1 * lb(%st0)
// The result is on the FPU stack, but returned in %xmm0
fstps -4(%rsp)
movss -4(%rsp), %xmm0
ret