All of these has been tested for at least a few different types of
inputs.
The assembly functions have been tested with NAN and INF.
Signed-off-by: Martin Storsjö <mar...@martin.st>
---
mingw-w64-crt/Makefile.am | 6 +++++-
mingw-w64-crt/math/arm64/_chgsignl.S | 16 ++++++++++++++++
mingw-w64-crt/math/arm64/ceil.S | 16 ++++++++++++++++
mingw-w64-crt/math/arm64/ceilf.S | 16 ++++++++++++++++
mingw-w64-crt/math/arm64/ceill.S | 15 +++++++++++++++
mingw-w64-crt/math/arm64/copysignl.c | 11 +++++++++++
mingw-w64-crt/math/arm64/exp2.c | 26 ++++++++++++++++++++++++++
mingw-w64-crt/math/arm64/floor.S | 15 +++++++++++++++
mingw-w64-crt/math/arm64/floorf.S | 15 +++++++++++++++
mingw-w64-crt/math/arm64/floorl.S | 15 +++++++++++++++
mingw-w64-crt/math/arm64/log2.c | 26 ++++++++++++++++++++++++++
mingw-w64-crt/math/arm64/nearbyint.S | 17 +++++++++++++++++
mingw-w64-crt/math/arm64/nearbyintf.S | 17 +++++++++++++++++
mingw-w64-crt/math/arm64/nearbyintl.S | 17 +++++++++++++++++
mingw-w64-crt/math/arm64/scalbn.c | 26 ++++++++++++++++++++++++++
mingw-w64-crt/math/arm64/sincos.c | 29 +++++++++++++++++++++++++++++
mingw-w64-crt/math/arm64/trunc.S | 16 ++++++++++++++++
mingw-w64-crt/math/arm64/truncf.S | 16 ++++++++++++++++
mingw-w64-crt/math/fma.c | 12 ++++++++++++
mingw-w64-crt/math/fmaf.c | 12 ++++++++++++
mingw-w64-crt/math/lrint.c | 5 +++++
mingw-w64-crt/math/lrintf.c | 5 +++++
mingw-w64-crt/math/rint.c | 2 ++
mingw-w64-crt/math/rintf.c | 2 ++
mingw-w64-crt/math/sqrt.def.h | 6 ++++++
25 files changed, 358 insertions(+), 1 deletion(-)
create mode 100644 mingw-w64-crt/math/arm64/_chgsignl.S
create mode 100644 mingw-w64-crt/math/arm64/ceil.S
create mode 100644 mingw-w64-crt/math/arm64/ceilf.S
create mode 100644 mingw-w64-crt/math/arm64/ceill.S
create mode 100644 mingw-w64-crt/math/arm64/copysignl.c
create mode 100644 mingw-w64-crt/math/arm64/exp2.c
create mode 100644 mingw-w64-crt/math/arm64/floor.S
create mode 100644 mingw-w64-crt/math/arm64/floorf.S
create mode 100644 mingw-w64-crt/math/arm64/floorl.S
create mode 100644 mingw-w64-crt/math/arm64/log2.c
create mode 100644 mingw-w64-crt/math/arm64/nearbyint.S
create mode 100644 mingw-w64-crt/math/arm64/nearbyintf.S
create mode 100644 mingw-w64-crt/math/arm64/nearbyintl.S
create mode 100644 mingw-w64-crt/math/arm64/scalbn.c
create mode 100644 mingw-w64-crt/math/arm64/sincos.c
create mode 100644 mingw-w64-crt/math/arm64/trunc.S
create mode 100644 mingw-w64-crt/math/arm64/truncf.S
diff --git a/mingw-w64-crt/Makefile.am b/mingw-w64-crt/Makefile.am
index 49778b0..4c1cf66 100644
--- a/mingw-w64-crt/Makefile.am
+++ b/mingw-w64-crt/Makefile.am
@@ -353,7 +353,11 @@ src_libmingwexarm32+=\
endif
# these only go into the ARM64 version:
-src_libmingwexarm64=
+src_libmingwexarm64=\
+ math/arm64/_chgsignl.S math/arm64/ceil.S math/arm64/ceilf.S
math/arm64/ceill.S math/arm64/copysignl.c \
+ math/arm64/exp2.c math/arm64/floor.S math/arm64/floorf.S
math/arm64/floorl.S math/arm64/log2.c \
+ math/arm64/nearbyint.S math/arm64/nearbyintf.S math/arm64/nearbyintl.S
math/arm64/scalbn.c math/arm64/sincos.c \
+ math/arm64/trunc.S math/arm64/truncf.S
# These intrinsics are target independent:
diff --git a/mingw-w64-crt/math/arm64/_chgsignl.S
b/mingw-w64-crt/math/arm64/_chgsignl.S
new file mode 100644
index 0000000..0472c70
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/_chgsignl.S
@@ -0,0 +1,16 @@
+/**
+ * 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 "_chgignl.S"
+ .text
+ .align 2
+ .globl __MINGW_USYMBOL(_chgsignl)
+ .def __MINGW_USYMBOL(_chgsignl); .scl 2; .type 32;
.endef
+__MINGW_USYMBOL(_chgsignl):
+ fneg d0, d0
+ ret
diff --git a/mingw-w64-crt/math/arm64/ceil.S b/mingw-w64-crt/math/arm64/ceil.S
new file mode 100644
index 0000000..6f46d35
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/ceil.S
@@ -0,0 +1,16 @@
+/**
+ * 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 "ceil.S"
+ .text
+ .align 2
+ .globl __MINGW_USYMBOL(ceil)
+ .def __MINGW_USYMBOL(ceil); .scl 2; .type 32; .endef
+
+__MINGW_USYMBOL(ceil):
+ frintp d0, d0
+ ret
diff --git a/mingw-w64-crt/math/arm64/ceilf.S b/mingw-w64-crt/math/arm64/ceilf.S
new file mode 100644
index 0000000..b67d768
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/ceilf.S
@@ -0,0 +1,16 @@
+/**
+ * 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 "ceilf.S"
+ .text
+ .align 2
+ .globl __MINGW_USYMBOL(ceilf)
+ .def __MINGW_USYMBOL(ceilf); .scl 2; .type 32; .endef
+
+__MINGW_USYMBOL(ceilf):
+ frintp s0, s0
+ ret
diff --git a/mingw-w64-crt/math/arm64/ceill.S b/mingw-w64-crt/math/arm64/ceill.S
new file mode 100644
index 0000000..99385a3
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/ceill.S
@@ -0,0 +1,15 @@
+/**
+ * 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 "ceill.S"
+ .text
+ .align 2
+ .globl __MINGW_USYMBOL(ceill)
+ .def __MINGW_USYMBOL(ceill); .scl 2; .type 32; .endef
+__MINGW_USYMBOL(ceill):
+ frintp d0, d0
+ ret
diff --git a/mingw-w64-crt/math/arm64/copysignl.c
b/mingw-w64-crt/math/arm64/copysignl.c
new file mode 100644
index 0000000..ea66215
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/copysignl.c
@@ -0,0 +1,11 @@
+/**
+ * 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 copysignl(long double x, long double y)
+{
+ return copysign(x, y);
+}
diff --git a/mingw-w64-crt/math/arm64/exp2.c b/mingw-w64-crt/math/arm64/exp2.c
new file mode 100644
index 0000000..eb9ddf5
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/exp2.c
@@ -0,0 +1,26 @@
+/**
+ * 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>
+
+double exp2(double x)
+{
+ return pow(2, x);
+}
+
+float exp2f(float x)
+{
+ return powf(2, x);
+}
+
+long double exp2l(long double x)
+{
+#if defined(__aarch64__) || defined(_ARM64_)
+ return exp2(x);
+#else
+#error Not supported on your platform yet
+#endif
+}
diff --git a/mingw-w64-crt/math/arm64/floor.S b/mingw-w64-crt/math/arm64/floor.S
new file mode 100644
index 0000000..fc3f002
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/floor.S
@@ -0,0 +1,15 @@
+/**
+ * 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 "floor.S"
+ .text
+ .p2align 2
+ .globl __MINGW_USYMBOL(floor)
+ .def __MINGW_USYMBOL(floor); .scl 2; .type 32; .endef
+__MINGW_USYMBOL(floor):
+ frintm d0, d0
+ ret
diff --git a/mingw-w64-crt/math/arm64/floorf.S
b/mingw-w64-crt/math/arm64/floorf.S
new file mode 100644
index 0000000..d24db92
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/floorf.S
@@ -0,0 +1,15 @@
+/**
+ * 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 "floorf.S"
+ .text
+ .p2align 2
+ .globl __MINGW_USYMBOL(floorf)
+ .def __MINGW_USYMBOL(floorf); .scl 2; .type 32;
.endef
+__MINGW_USYMBOL(floorf):
+ frintm s0, s0
+ ret
diff --git a/mingw-w64-crt/math/arm64/floorl.S
b/mingw-w64-crt/math/arm64/floorl.S
new file mode 100644
index 0000000..746738d
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/floorl.S
@@ -0,0 +1,15 @@
+/**
+ * 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 "floorl.S"
+ .text
+ .align 2
+ .globl __MINGW_USYMBOL(floorl)
+ .def __MINGW_USYMBOL(floorl); .scl 2; .type 32;
.endef
+__MINGW_USYMBOL(floorl):
+ frintm d0, d0
+ ret
diff --git a/mingw-w64-crt/math/arm64/log2.c b/mingw-w64-crt/math/arm64/log2.c
new file mode 100644
index 0000000..6196f42
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/log2.c
@@ -0,0 +1,26 @@
+/**
+ * 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>
+
+double log2(double x)
+{
+ return log(x) / 0.69314718246459960938;
+}
+
+float log2f(float x)
+{
+ return logf(x) / 0.69314718246459960938f;
+}
+
+long double log2l(long double x)
+{
+#if defined(__aarch64__) || defined(_ARM64_)
+ return log2(x);
+#else
+#error Not supported on your platform yet
+#endif
+}
diff --git a/mingw-w64-crt/math/arm64/nearbyint.S
b/mingw-w64-crt/math/arm64/nearbyint.S
new file mode 100644
index 0000000..b17ce2b
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/nearbyint.S
@@ -0,0 +1,17 @@
+/**
+ * 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 "nearbyint.S"
+ .text
+ .align 2
+ .globl __MINGW_USYMBOL(nearbyint)
+ .def __MINGW_USYMBOL(nearbyint); .scl 2; .type 32;
.endef
+__MINGW_USYMBOL(nearbyint):
+ mrs x1, fpcr
+ frintx d0, d0
+ msr fpcr, x1
+ ret
diff --git a/mingw-w64-crt/math/arm64/nearbyintf.S
b/mingw-w64-crt/math/arm64/nearbyintf.S
new file mode 100644
index 0000000..49b6aff
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/nearbyintf.S
@@ -0,0 +1,17 @@
+/**
+ * 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 "nearbyintf.S"
+ .text
+ .align 2
+ .globl __MINGW_USYMBOL(nearbyintf)
+ .def __MINGW_USYMBOL(nearbyintf); .scl 2; .type 32;
.endef
+__MINGW_USYMBOL(nearbyintf):
+ mrs x1, fpcr
+ frintx s0, s0
+ msr fpcr, x1
+ ret
diff --git a/mingw-w64-crt/math/arm64/nearbyintl.S
b/mingw-w64-crt/math/arm64/nearbyintl.S
new file mode 100644
index 0000000..cbfebb2
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/nearbyintl.S
@@ -0,0 +1,17 @@
+/**
+ * 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 "nearbyintl.S"
+ .text
+ .align 2
+ .globl __MINGW_USYMBOL(nearbyintl)
+ .def __MINGW_USYMBOL(nearbyintl); .scl 2; .type 32;
.endef
+__MINGW_USYMBOL(nearbyintl):
+ mrs x1, fpcr
+ frintx d0, d0
+ msr fpcr, x1
+ ret
diff --git a/mingw-w64-crt/math/arm64/scalbn.c
b/mingw-w64-crt/math/arm64/scalbn.c
new file mode 100644
index 0000000..212752c
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/scalbn.c
@@ -0,0 +1,26 @@
+/**
+ * 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>
+
+double scalbn(double x, int exp)
+{
+ return x * exp2(exp);
+}
+
+float scalbnf(float x, int exp)
+{
+ return x * exp2f(exp);
+}
+
+long double scalbnl(long double x, int exp)
+{
+#if defined(__aarch64__) || defined(_ARM64_)
+ return scalbn(x, exp);
+#else
+#error Not supported on your platform yet
+#endif
+}
diff --git a/mingw-w64-crt/math/arm64/sincos.c
b/mingw-w64-crt/math/arm64/sincos.c
new file mode 100644
index 0000000..94f8244
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/sincos.c
@@ -0,0 +1,29 @@
+/**
+ * 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>
+
+void sincos (double __x, double *p_sin, double *p_cos)
+{
+ *p_sin = sin(__x);
+ *p_cos = cos(__x);
+}
+
+void sincosf (float __x, float *p_sin, float *p_cos)
+{
+ *p_sin = sinf(__x);
+ *p_cos = cosf(__x);
+}
+
+void sincosl (long double __x, long double *p_sin, long double *p_cos)
+{
+#if defined(__aarch64__) || defined(_ARM64_)
+ *p_sin = sin(__x);
+ *p_cos = cos(__x);
+#else
+#error Not supported on your platform yet
+#endif
+}
diff --git a/mingw-w64-crt/math/arm64/trunc.S b/mingw-w64-crt/math/arm64/trunc.S
new file mode 100644
index 0000000..d784bf0
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/trunc.S
@@ -0,0 +1,16 @@
+/**
+ * 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 "trunc.S"
+ .text
+ .p2align 2
+ .globl __MINGW_USYMBOL(trunc)
+ .def __MINGW_USYMBOL(trunc); .scl 2; .type 32; .endef
+
+__MINGW_USYMBOL(trunc):
+ frintz d0, d0
+ ret
diff --git a/mingw-w64-crt/math/arm64/truncf.S
b/mingw-w64-crt/math/arm64/truncf.S
new file mode 100644
index 0000000..22b9ff8
--- /dev/null
+++ b/mingw-w64-crt/math/arm64/truncf.S
@@ -0,0 +1,16 @@
+/**
+ * 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 "truncf.S"
+ .text
+ .p2align 2
+ .globl __MINGW_USYMBOL(truncf)
+ .def __MINGW_USYMBOL(truncf); .scl 2; .type 32;
.endef
+
+__MINGW_USYMBOL(truncf):
+ frintz s0, s0
+ ret
diff --git a/mingw-w64-crt/math/fma.c b/mingw-w64-crt/math/fma.c
index 645a3d1..c4ce738 100644
--- a/mingw-w64-crt/math/fma.c
+++ b/mingw-w64-crt/math/fma.c
@@ -17,6 +17,18 @@ double fma(double x, double y, double z){
return z;
}
+#elif defined(_ARM64_) || defined(__aarch64__)
+
+/* Use hardware FMA on ARM64. */
+double fma(double x, double y, double z){
+ __asm__ (
+ "fmadd %d0, %d1, %d2, %d0 \n"
+ : "+w"(z)
+ : "w"(x), "w"(y)
+ );
+ return z;
+}
+
#else
long double fmal(long double x, long double y, long double z);
diff --git a/mingw-w64-crt/math/fmaf.c b/mingw-w64-crt/math/fmaf.c
index 9a0971d..b3f58a8 100644
--- a/mingw-w64-crt/math/fmaf.c
+++ b/mingw-w64-crt/math/fmaf.c
@@ -17,6 +17,18 @@ float fmaf(float x, float y, float z){
return z;
}
+#elif defined(_ARM64_) || defined(__aarch64__)
+
+/* Use hardware FMA on ARM64. */
+float fmaf(float x, float y, float z){
+ __asm__ (
+ "fmadd %s0, %s1, %s2, %s0 \n"
+ : "+w"(z)
+ : "w"(x), "w"(y)
+ );
+ return z;
+}
+
#else
long double fmal(long double x, long double y, long double z);
diff --git a/mingw-w64-crt/math/lrint.c b/mingw-w64-crt/math/lrint.c
index c97e036..ec80e4e 100644
--- a/mingw-w64-crt/math/lrint.c
+++ b/mingw-w64-crt/math/lrint.c
@@ -16,6 +16,11 @@ long lrint (double x)
"vcvtr.s32.f64 %[tmp], %[src]\n\t"
"fmrs %[dst], %[tmp]\n\t"
: [dst] "=r" (retval), [tmp] "=t" (temp) : [src] "w" (x));
+#elif defined(__aarch64__) || defined(_ARM64_)
+ __asm__ __volatile__ (
+ "frintx %d1, %d1\n\t"
+ "fcvtzs %w0, %d1\n\t"
+ : "=r" (retval), "+w" (x));
#endif
return retval;
}
diff --git a/mingw-w64-crt/math/lrintf.c b/mingw-w64-crt/math/lrintf.c
index fadc29d..91fc5e1 100644
--- a/mingw-w64-crt/math/lrintf.c
+++ b/mingw-w64-crt/math/lrintf.c
@@ -15,6 +15,11 @@ long lrintf (float x)
"vcvtr.s32.f32 %[src], %[src]\n\t"
"fmrs %[dst], %[src]\n\t"
: [dst] "=r" (retval), [src] "+w" (x));
+#elif defined(__aarch64__) || defined(_ARM64_)
+ __asm__ __volatile__ (
+ "frintx %s1, %s1\n\t"
+ "fcvtzs %w0, %s1\n\t"
+ : "=r" (retval), "+w" (x));
#endif
return retval;
}
diff --git a/mingw-w64-crt/math/rint.c b/mingw-w64-crt/math/rint.c
index 8d69075..d883314 100644
--- a/mingw-w64-crt/math/rint.c
+++ b/mingw-w64-crt/math/rint.c
@@ -17,6 +17,8 @@ double rint (double x) {
"vcvtr.s32.f64 %[tmp], %[src]\n\t"
"vcvt.f64.s32 %[dst], %[tmp]\n\t"
: [dst] "=w" (retval), [tmp] "=t" (temp) : [src] "w" (x));
+#elif defined(__aarch64__) || defined(_ARM64_)
+ __asm__ __volatile__ ("frintx %d0, %d1\n\t" : "=w" (retval) : "w" (x));
#endif
return retval;
}
diff --git a/mingw-w64-crt/math/rintf.c b/mingw-w64-crt/math/rintf.c
index 46b3a47..bfae515 100644
--- a/mingw-w64-crt/math/rintf.c
+++ b/mingw-w64-crt/math/rintf.c
@@ -16,6 +16,8 @@ float rintf (float x) {
"vcvtr.s32.f32 %[dst], %[src]\n\t"
"vcvt.f32.s32 %[dst], %[dst]\n\t"
: [dst] "=t" (retval) : [src] "w" (x));
+#elif defined(__aarch64__) || defined(_ARM64_)
+ __asm__ __volatile__ ("frintx %s0, %s1\n\t" : "=w" (retval) : "w" (x));
#endif
return retval;
}
diff --git a/mingw-w64-crt/math/sqrt.def.h b/mingw-w64-crt/math/sqrt.def.h
index eaba8e0..041bc82 100644
--- a/mingw-w64-crt/math/sqrt.def.h
+++ b/mingw-w64-crt/math/sqrt.def.h
@@ -77,6 +77,12 @@ __FLT_ABI (sqrt) (__FLT_TYPE x)
#else
asm ("fsqrtd %[dst], %[src];\n" : [dst] "=w" (res) : [src] "w" (x));
#endif
+#elif defined(__aarch64__) || defined(_ARM64_)
+#if _NEW_COMPLEX_FLOAT
+ asm ("fsqrt %s[dst], %s[src]\n" : [dst] "=w" (res) : [src] "w" (x));
+#else
+ asm ("fsqrt %d[dst], %d[src]\n" : [dst] "=w" (res) : [src] "w" (x));
+#endif
#elif defined(_X86_) || defined(__i386__) || defined(_AMD64_) ||
defined(__x86_64__)
asm ("fsqrt" : "=t" (res) : "0" (x));
#else
--
2.7.4
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