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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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18
arch/x64/linux/math/abs.S
View File

@ -2,10 +2,10 @@
// fabsf.
.globl _D5tanya4math8nbtheory10__T3absTfZ3absFNaNbNiNffZf
.type _D5tanya4math8nbtheory10__T3absTfZ3absFNaNbNiNffZf, @function
.globl _D5tanya4math8nbtheory4fabsFNaNbNiNffZf
.type _D5tanya4math8nbtheory4fabsFNaNbNiNffZf, @function
_D5tanya4math8nbtheory10__T3absTfZ3absFNaNbNiNffZf:
_D5tanya4math8nbtheory4fabsFNaNbNiNffZf:
mov $0x7fffffff, %eax
movq %rax, %xmm1
andpd %xmm1, %xmm0
@ -13,10 +13,10 @@ _D5tanya4math8nbtheory10__T3absTfZ3absFNaNbNiNffZf:
// fabs.
.globl _D5tanya4math8nbtheory10__T3absTdZ3absFNaNbNiNfdZd
.type _D5tanya4math8nbtheory10__T3absTdZ3absFNaNbNiNfdZd, @function
.globl _D5tanya4math8nbtheory4fabsFNaNbNiNfdZd
.type _D5tanya4math8nbtheory4fabsFNaNbNiNfdZd, @function
_D5tanya4math8nbtheory10__T3absTdZ3absFNaNbNiNfdZd:
_D5tanya4math8nbtheory4fabsFNaNbNiNfdZd:
mov $0x7fffffffffffffff, %rax
movq %rax, %xmm1
andpd %xmm1, %xmm0
@ -24,12 +24,12 @@ _D5tanya4math8nbtheory10__T3absTdZ3absFNaNbNiNfdZd:
// fabsl.
.globl _D5tanya4math8nbtheory10__T3absTeZ3absFNaNbNiNfeZe
.type _D5tanya4math8nbtheory10__T3absTeZ3absFNaNbNiNfeZe, @function
.globl _D5tanya4math8nbtheory4fabsFNaNbNiNfeZe
.type _D5tanya4math8nbtheory4fabsFNaNbNiNfeZe, @function
// Load the parameter from the stack onto FP stack, execute 'fabs' instruction
// The result is returned in ST0.
_D5tanya4math8nbtheory10__T3absTeZ3absFNaNbNiNfeZe:
_D5tanya4math8nbtheory4fabsFNaNbNiNfeZe:
fldt 0x8(%rsp)
fabs
ret

40
arch/x64/linux/math/log.S
View File

@ -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