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crt: Implement exp2/exp2f/exp2l in C on ARM targets.

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Signed-off-by: Jacek Caban <jacek@codeweavers.com>
This commit is contained in:
Jacek Caban 2025-03-31 16:29:22 +02:00
parent 216cc9328b
commit ad6e32374f
6 changed files with 30 additions and 62 deletions
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10
mingw-w64-crt/Makefile.am
View File

@ -620,8 +620,6 @@ src_msvcrtarm32=\
if !ENABLE_SOFTMATH
src_msvcrtarm32+=\
math/arm/exp2.S \
math/arm/exp2f.S \
math/arm/nearbyint.S \
math/arm/nearbyintf.S \
math/arm/nearbyintl.S \
@ -636,6 +634,9 @@ src_msvcrtarm32+=\
math/arm-common/atanh.c \
math/arm-common/atanhf.c \
math/arm-common/atanhl.c \
math/arm-common/exp2.c \
math/arm-common/exp2f.c \
math/arm-common/exp2l.c \
math/arm-common/copysignl.c \
math/arm-common/expm1.c \
math/arm-common/expm1f.c \
@ -675,6 +676,9 @@ src_msvcrtarm64=\
math/arm-common/atanhf.c \
math/arm-common/atanhl.c \
math/arm-common/copysignl.c \
math/arm-common/exp2.c \
math/arm-common/exp2f.c \
math/arm-common/exp2l.c \
math/arm-common/expm1.c \
math/arm-common/expm1f.c \
math/arm-common/expm1l.c \
@ -698,8 +702,6 @@ src_msvcrtarm64=\
math/arm-common/s_remquo.c \
math/arm-common/s_remquof.c \
math/arm-common/scalbn.c \
math/arm64/exp2.S \
math/arm64/exp2f.S \
math/arm64/nearbyint.S \
math/arm64/nearbyintf.S \
math/arm64/nearbyintl.S \

16
mingw-w64-crt/math/arm64/exp2f.S → mingw-w64-crt/math/arm-common/exp2.c
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@ -3,14 +3,10 @@
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#include <_mingw_mac.h>
.file "exp2f.S"
.text
.align 2
.globl __MINGW_USYMBOL(exp2f)
.def __MINGW_USYMBOL(exp2f); .scl 2; .type 32; .endef
__MINGW_USYMBOL(exp2f):
fmov s1, s0
fmov s0, #2.0
b powf
#include <math.h>
double exp2(double x)
{
return pow(2.0, x);
}

16
mingw-w64-crt/math/arm/exp2f.S → mingw-w64-crt/math/arm-common/exp2f.c
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@ -3,14 +3,10 @@
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#include <_mingw_mac.h>
.file "exp2f.S"
.text
.align 2
.globl __MINGW_USYMBOL(exp2f)
.def __MINGW_USYMBOL(exp2f); .scl 2; .type 32; .endef
__MINGW_USYMBOL(exp2f):
vmov s1, s0
vmov.f32 s0, #2.0
b powf
#include <math.h>
float exp2f(float x)
{
return powf(2.0f, x);
}

12
mingw-w64-crt/math/arm-common/exp2l.c Normal file
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@ -0,0 +1,12 @@
/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#include <math.h>
long double exp2l(long double x)
{
return powl(2.0, x);
}

19
mingw-w64-crt/math/arm/exp2.S
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@ -1,19 +0,0 @@
/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#include <_mingw_mac.h>
.file "exp2.S"
.text
.align 2
.globl __MINGW_USYMBOL(exp2)
.globl __MINGW_USYMBOL(exp2l)
.def __MINGW_USYMBOL(exp2); .scl 2; .type 32; .endef
.def __MINGW_USYMBOL(exp2l); .scl 2; .type 32; .endef
__MINGW_USYMBOL(exp2):
__MINGW_USYMBOL(exp2l):
vmov.f64 d1, d0
vmov.f64 d0, #2.0
b pow

19
mingw-w64-crt/math/arm64/exp2.S
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@ -1,19 +0,0 @@
/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#include <_mingw_mac.h>
.file "exp2.S"
.text
.align 2
.globl __MINGW_USYMBOL(exp2)
.globl __MINGW_USYMBOL(exp2l)
.def __MINGW_USYMBOL(exp2); .scl 2; .type 32; .endef
.def __MINGW_USYMBOL(exp2l); .scl 2; .type 32; .endef
__MINGW_USYMBOL(exp2):
__MINGW_USYMBOL(exp2l):
fmov d1, d0
fmov d0, #2.0
b pow