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Fix math.nbtheory linkage to asm

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Don't use extern for templated functions. If the function argument is
const, it gets a different mangling. So define a private function for
each floatint point length and call it from template.
This commit is contained in:
Eugen Wissner
2018-05-08 17:45:51 +02:00
parent 6ed2992862
commit 2ec750ca05
3 changed files with 60 additions and 51 deletions
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40
arch/x64/linux/math/log.S
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@ -1,22 +1,29 @@
.text
// logl.
.globl _D5tanya4math8nbtheory9__T2lnTeZ2lnFNaNbNiNfeZe
.type _D5tanya4math8nbtheory9__T2lnTeZ2lnFNaNbNiNfeZe, @function
// logf.
.globl _D5tanya4math8nbtheory4logfFNaNbNiNffZf
.type _D5tanya4math8nbtheory4logfFNaNbNiNffZf, @function
_D5tanya4math8nbtheory4logfFNaNbNiNffZf:
movss %xmm0, -4(%rsp) // Put the argument onto the stack
_D5tanya4math8nbtheory9__T2lnTeZ2lnFNaNbNiNfeZe:
fldln2 // Put lb(e) onto the FPU stack
fldt 8(%rsp) // Put the argument 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
// log.
.globl _D5tanya4math8nbtheory9__T2lnTdZ2lnFNaNbNiNfdZd
.type _D5tanya4math8nbtheory9__T2lnTdZ2lnFNaNbNiNfdZd, @function
.globl _D5tanya4math8nbtheory3logFNaNbNiNfdZd
.type _D5tanya4math8nbtheory3logFNaNbNiNfdZd, @function
_D5tanya4math8nbtheory9__T2lnTdZ2lnFNaNbNiNfdZd:
_D5tanya4math8nbtheory3logFNaNbNiNfdZd:
movsd %xmm0, -8(%rsp) // Put the argument onto the stack
fldln2 // Put lb(e) onto the FPU stack
@ -30,19 +37,12 @@ _D5tanya4math8nbtheory9__T2lnTdZ2lnFNaNbNiNfdZd:
ret
// logf.
.globl _D5tanya4math8nbtheory9__T2lnTfZ2lnFNaNbNiNffZf
.type _D5tanya4math8nbtheory9__T2lnTfZ2lnFNaNbNiNffZf, @function
_D5tanya4math8nbtheory9__T2lnTfZ2lnFNaNbNiNffZf:
movss %xmm0, -4(%rsp) // Put the argument onto the stack
// logl.
.globl _D5tanya4math8nbtheory4loglFNaNbNiNfeZe
.type _D5tanya4math8nbtheory4loglFNaNbNiNfeZe, @function
_D5tanya4math8nbtheory4loglFNaNbNiNfeZe:
fldln2 // Put lb(e) onto the FPU stack
flds -4(%rsp) // Put a float onto the FPU stack
fldt 8(%rsp) // Put the argument 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