math: Remove the SVID error handling wrapper from y1/j1

Tested on x86_64-linux-gnu and i686-linux-gnu. Reviewed-by: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
2026-10-24 01:33:52 +03:00 · 2025-10-08 10:55:20 -03:00
parent b050cb53b0
commit 8d4815e6d7
29 changed files with 86 additions and 11 deletions
--- a/math/Versions
+++ b/math/Versions
@@ -694,7 +694,9 @@ libm {
    atanhf;
    coshf;
    j0f;
+    j1f;
    log10f;
    y0f;
+    y1f;
  }
 }
--- a/math/w_j1f_compat.c
+++ b/math/w_j1f_compat.c
@@ -22,10 +22,10 @@
 #include <libm-alias-float.h>


-#if LIBM_SVID_COMPAT
+#if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_43)
 /* wrapper j1f */
 float
-__j1f (float x)
+__j1f_svid (float x)
 {
  if (__builtin_expect (isgreater (fabsf (x),
 				   AS_FLOAT_CONSTANT (X_TLOSS)), 0)
@@ -35,12 +35,12 @@ __j1f (float x)

  return __ieee754_j1f (x);
 }
-libm_alias_float (__j1, j1)
+compat_symbol (libm, __j1f_svid, j1f, GLIBC_2_0);


 /* wrapper y1f */
 float
-__y1f (float x)
+__y1f_svid (float x)
 {
  if (__builtin_expect (islessequal (x, 0.0f)
 			|| isgreater (x, AS_FLOAT_CONSTANT (X_TLOSS)), 0)
@@ -65,5 +65,5 @@ __y1f (float x)

  return __ieee754_y1f (x);
 }
-libm_alias_float (__y1, y1)
+compat_symbol (libm, __y1f_svid, y1f, GLIBC_2_0);
 #endif
--- a/sysdeps/ieee754/flt-32/e_j1f.c
+++ b/sysdeps/ieee754/flt-32/e_j1f.c
@@ -20,7 +20,10 @@
 #include <fenv_private.h>
 #include <math-underflow.h>
 #include <libm-alias-finite.h>
+#include <libm-alias-float.h>
+#include <math-svid-compat.h>
 #include <reduce_aux.h>
+#include "math_config.h"

 static float ponef(float), qonef(float);

@@ -260,7 +263,7 @@ j1f_near_root (float x, float z)
 }

 float
-__ieee754_j1f(float x)
+__j1f(float x)
 {
 	float z, s,c,ss,cc,r,u,v,y;
 	int32_t hx,ix;
@@ -317,6 +320,13 @@ __ieee754_j1f(float x)
 	r *= x;
 	return(x*(float)0.5+r/s);
 }
+strong_alias (__j1f, __ieee754_j1f)
+#if LIBM_SVID_COMPAT
+versioned_symbol (libm, __j1f, j1f, GLIBC_2_43);
+libm_alias_float_other (__j1, j1)
+#else
+libm_alias_float (__j1, j1)
+#endif
 libm_alias_finite (__ieee754_j1f, __j1f)

 static const float U0[5] = {
@@ -549,7 +559,7 @@ y1f_near_root (float x, float z)
 }

 float
-__ieee754_y1f(float x)
+__y1f(float x)
 {
 	float z, s,c,ss,cc,u,v;
 	int32_t hx,ix;
@@ -557,10 +567,15 @@ __ieee754_y1f(float x)
 	GET_FLOAT_WORD(hx,x);
 	ix = 0x7fffffff&hx;
    /* if Y1(NaN) is NaN, Y1(-inf) is NaN, Y1(inf) is 0 */
-	if(__builtin_expect(ix>=0x7f800000, 0)) return  one/(x+x*x);
-	if(__builtin_expect(ix==0, 0))
-		return -1/zero; /* -inf and divide by zero exception.  */
-	if(__builtin_expect(hx<0, 0)) return zero/(zero*x);
+	if(ix>=0x7f800000)
+	  {
+	    if (hx==0xFF800000)
+	      return __math_invalidf (1);
+	    else
+	      return one/(x+x*x);
+	  }
+	if(ix==0) return __math_divzerof (1); /* -inf and divide by zero exception.  */
+	if(hx<0) return __math_invalidf (x);
        if (ix >= 0x3fe0dfbc) { /* |x| >= 0x1.c1bf78p+0 */
 		SET_RESTORE_ROUNDF (FE_TONEAREST);
 		__sincosf (x, &s, &c);
@@ -611,6 +626,13 @@ __ieee754_y1f(float x)
 	v = one+z*(V0[0]+z*(V0[1]+z*(V0[2]+z*(V0[3]+z*V0[4]))));
 	return(x*(u/v) + tpi*(__ieee754_j1f(x)*__ieee754_logf(x)-one/x));
 }
+strong_alias (__y1f, __ieee754_y1f)
+#if LIBM_SVID_COMPAT
+versioned_symbol (libm, __y1f, y1f, GLIBC_2_43);
+libm_alias_float_other (__y1, y1)
+#else
+libm_alias_float (__y1, y1)
+#endif
 libm_alias_finite (__ieee754_y1f, __y1f)

 /* For x >= 8, the asymptotic expansion of pone is
--- a/sysdeps/ieee754/flt-32/w_j1f.c
+++ b/sysdeps/ieee754/flt-32/w_j1f.c
@@ -0,0 +1 @@
+/* Not needed */
--- a/sysdeps/mach/hurd/i386/libm.abilist
+++ b/sysdeps/mach/hurd/i386/libm.abilist
@@ -1325,5 +1325,7 @@ GLIBC_2.43 coshf F
 GLIBC_2.43 fmod F
 GLIBC_2.43 fmodf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/aarch64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/aarch64/libm.abilist
@@ -1291,5 +1291,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/alpha/libm.abilist
+++ b/sysdeps/unix/sysv/linux/alpha/libm.abilist
@@ -1450,5 +1450,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/arm/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/arm/be/libm.abilist
@@ -956,5 +956,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/arm/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/arm/le/libm.abilist
@@ -956,5 +956,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/hppa/libm.abilist
+++ b/sysdeps/unix/sysv/linux/hppa/libm.abilist
@@ -956,5 +956,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/i386/libm.abilist
+++ b/sysdeps/unix/sysv/linux/i386/libm.abilist
@@ -1332,5 +1332,7 @@ GLIBC_2.43 coshf F
 GLIBC_2.43 fmod F
 GLIBC_2.43 fmodf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist
@@ -956,5 +956,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist
+++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist
@@ -990,4 +990,6 @@ GLIBC_2.43 acoshf F
 GLIBC_2.43 fmod F
 GLIBC_2.43 fmodf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/microblaze/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/be/libm.abilist
@@ -956,5 +956,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/microblaze/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/microblaze/le/libm.abilist
@@ -956,5 +956,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist
@@ -956,5 +956,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist
@@ -1291,5 +1291,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist
@@ -1103,5 +1103,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist
@@ -1102,5 +1102,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/be/libm.abilist
@@ -1096,5 +1096,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/le/libm.abilist
@@ -1480,5 +1480,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist
@@ -1394,5 +1394,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist
@@ -1394,5 +1394,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/sh/be/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sh/be/libm.abilist
@@ -956,5 +956,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/sh/le/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sh/le/libm.abilist
@@ -956,5 +956,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist
@@ -1401,5 +1401,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist
@@ -1291,5 +1291,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist
@@ -1324,5 +1324,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F
--- a/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist
@@ -1324,5 +1324,7 @@ GLIBC_2.43 asinf F
 GLIBC_2.43 atanhf F
 GLIBC_2.43 coshf F
 GLIBC_2.43 j0f F
+GLIBC_2.43 j1f F
 GLIBC_2.43 log10f F
 GLIBC_2.43 y0f F
+GLIBC_2.43 y1f F