From f94527d72b2e4e7fe0f0339d0a35aaa91646401b Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date: Wed, 13 Sep 2017 18:14:26 +0100
Subject: [PATCH 6/7] Do not wrap logf, log2f and powf
The new generic logf, log2f and powf code don't need wrappers any more,
they set errno inline so only use the wrappers on targets that need it.
2017-09-19 Szabolcs Nagy <szabolcs.nagy@arm.com>
* sysdeps/ieee754/flt-32/e_log2f.c (__log2f): Define without wrapper.
* sysdeps/ieee754/flt-32/e_logf.c (__logf): Likewise
* sysdeps/ieee754/flt-32/e_powf.c (__powf): Likewise
* sysdeps/ieee754/flt-32/w_log2f.c: New file.
* sysdeps/ieee754/flt-32/w_logf.c: New file.
* sysdeps/ieee754/flt-32/w_powf.c: New file.
* sysdeps/i386/fpu/w_log2f.c: New file.
* sysdeps/i386/fpu/w_logf.c: New file.
* sysdeps/i386/fpu/w_powf.c: New file.
* sysdeps/m68k/m680x0/fpu/w_log2f.c: New file.
* sysdeps/m68k/m680x0/fpu/w_logf.c: New file.
* sysdeps/m68k/m680x0/fpu/w_powf.c: New file.
---
sysdeps/i386/fpu/w_log2f.c | 1 +
sysdeps/i386/fpu/w_logf.c | 1 +
sysdeps/i386/fpu/w_powf.c | 1 +
sysdeps/ieee754/flt-32/e_log2f.c | 7 +++++--
sysdeps/ieee754/flt-32/e_logf.c | 7 +++++--
sysdeps/ieee754/flt-32/e_powf.c | 7 +++++--
sysdeps/ieee754/flt-32/w_log2f.c | 1 +
sysdeps/ieee754/flt-32/w_logf.c | 1 +
sysdeps/ieee754/flt-32/w_powf.c | 1 +
sysdeps/m68k/m680x0/fpu/w_log2f.c | 1 +
sysdeps/m68k/m680x0/fpu/w_logf.c | 1 +
sysdeps/m68k/m680x0/fpu/w_powf.c | 1 +
12 files changed, 24 insertions(+), 6 deletions(-)
create mode 100644 sysdeps/i386/fpu/w_log2f.c
create mode 100644 sysdeps/i386/fpu/w_logf.c
create mode 100644 sysdeps/i386/fpu/w_powf.c
create mode 100644 sysdeps/ieee754/flt-32/w_log2f.c
create mode 100644 sysdeps/ieee754/flt-32/w_logf.c
create mode 100644 sysdeps/ieee754/flt-32/w_powf.c
create mode 100644 sysdeps/m68k/m680x0/fpu/w_log2f.c
create mode 100644 sysdeps/m68k/m680x0/fpu/w_logf.c
create mode 100644 sysdeps/m68k/m680x0/fpu/w_powf.c
new file mode 100644
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_log2f.c>
new file mode 100644
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_logf.c>
new file mode 100644
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_powf.c>
@@ -18,6 +18,7 @@
#include <math.h>
#include <stdint.h>
+#include <shlib-compat.h>
#include "math_config.h"
/*
@@ -34,7 +35,7 @@ Relative error: 1.9 * 2^-26 (before rounding.)
#define OFF 0x3f330000
float
-__ieee754_log2f (float x)
+__log2f (float x)
{
/* double_t for better performance on targets with FLT_EVAL_METHOD==2. */
double_t z, r, r2, p, y, y0, invc, logc;
@@ -85,4 +86,6 @@ __ieee754_log2f (float x)
y = y * r2 + p;
return (float) y;
}
-strong_alias (__ieee754_log2f, __log2f_finite)
+strong_alias (__log2f, __ieee754_log2f)
+strong_alias (__log2f, __log2f_finite)
+versioned_symbol (libm, __log2f, log2f, GLIBC_2_27);
@@ -18,6 +18,7 @@
#include <math.h>
#include <stdint.h>
+#include <shlib-compat.h>
#include "math_config.h"
/*
@@ -35,7 +36,7 @@ Relative error: 1.957 * 2^-26 (before rounding.)
#define OFF 0x3f330000
float
-__ieee754_logf (float x)
+__logf (float x)
{
/* double_t for better performance on targets with FLT_EVAL_METHOD==2. */
double_t z, r, r2, y, y0, invc, logc;
@@ -84,4 +85,6 @@ __ieee754_logf (float x)
y = y * r2 + (y0 + r);
return (float) y;
}
-strong_alias (__ieee754_logf, __logf_finite)
+strong_alias (__logf, __ieee754_logf)
+strong_alias (__logf, __logf_finite)
+versioned_symbol (libm, __logf, logf, GLIBC_2_27);
@@ -18,6 +18,7 @@
#include <math.h>
#include <stdint.h>
+#include <shlib-compat.h>
#include "math_config.h"
/*
@@ -139,7 +140,7 @@ zeroinfnan (uint32_t ix)
}
float
-__ieee754_powf (float x, float y)
+__powf (float x, float y)
{
unsigned long sign_bias = 0;
uint32_t ix, iy;
@@ -214,4 +215,6 @@ __ieee754_powf (float x, float y)
}
return (float) exp2_inline (ylogx, sign_bias);
}
-strong_alias (__ieee754_powf, __powf_finite)
+strong_alias (__powf, __ieee754_powf)
+strong_alias (__powf, __powf_finite)
+versioned_symbol (libm, __powf, powf, GLIBC_2_27);
new file mode 100644
@@ -0,0 +1 @@
+/* Not needed. */
new file mode 100644
@@ -0,0 +1 @@
+/* Not needed. */
new file mode 100644
@@ -0,0 +1 @@
+/* Not needed. */
new file mode 100644
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_log2f.c>
new file mode 100644
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_logf.c>
new file mode 100644
@@ -0,0 +1 @@
+#include <sysdeps/../math/w_powf.c>
--
2.11.0