Use libm_alias_float for alpha.

Continuing the preparation for additional _FloatN / _FloatNx function
aliases, this patch makes alpha libm function implementations use
libm_alias_float macros to define function aliases.  In the case of
the ABI compatibility for complex functions, libm_alias_float_other is
used, with the cfloat_versions macro adjusted to take a function name
argument without the trailing 'f' to facilitate this, and
cfloat_versions dealing with calling libm_alias_float_other (except
for clog10f, which doesn't use that macro because of the complexity
associated with __clog10f also being exported).

Tested with build-many-glibcs.py for alpha-linux-gnu that installed
stripped shared libraries are unchanged by the patch.

	* sysdeps/alpha/fpu/cfloat-compat.h: Include <libm-alias-float.h>.
	(cfloat_versions): Take function argument without trailing 'f'.
	Call libm_alias_float_other.
	* sysdeps/alpha/fpu/cabsf.c: Update call to cfloat_versions.
	* sysdeps/alpha/fpu/cargf.c: Likewise.
	* sysdeps/alpha/fpu/cimagf.c: Likewise.
	* sysdeps/alpha/fpu/conjf.c: Likewise.
	* sysdeps/alpha/fpu/crealf.c: Likewise.
	* sysdeps/alpha/fpu/s_cacosf.c: Likewise.
	* sysdeps/alpha/fpu/s_cacoshf.c: Likewise.
	* sysdeps/alpha/fpu/s_casinf.c: Likewise.
	* sysdeps/alpha/fpu/s_casinhf.c: Likewise.
	* sysdeps/alpha/fpu/s_catanf.c: Likewise.
	* sysdeps/alpha/fpu/s_catanhf.c: Likewise.
	* sysdeps/alpha/fpu/s_ccosf.c: Likewise.
	* sysdeps/alpha/fpu/s_ccoshf.c: Likewise.
	* sysdeps/alpha/fpu/s_cexpf.c: Likewise.
	* sysdeps/alpha/fpu/s_clogf.c: Likewise.
	* sysdeps/alpha/fpu/s_cpowf.c: Likewise.
	* sysdeps/alpha/fpu/s_cprojf.c: Likewise.
	* sysdeps/alpha/fpu/s_csinf.c: Likewise.
	* sysdeps/alpha/fpu/s_csinhf.c: Likewise.
	* sysdeps/alpha/fpu/s_csqrtf.c: Likewise.
	* sysdeps/alpha/fpu/s_ctanf.c: Likewise.
	* sysdeps/alpha/fpu/s_ctanhf.c: Likewise.
	* sysdeps/alpha/fpu/s_clog10f.c: Include <libm-alias-float.h>.
	(clog10f): Use libm_alias_float_other.
	* sysdeps/alpha/fpu/s_ceilf.c: Include <libm-alias-float.h>.
	(ceilf): Define using libm_alias_float.
	* sysdeps/alpha/fpu/s_copysignf.c: Include <libm-alias-float.h>.
	(copysignf): Define using libm_alias_float.
	* sysdeps/alpha/fpu/s_fabsf.c: Include <libm-alias-float.h>.
	(fabsf): Define using libm_alias_float.
	* sysdeps/alpha/fpu/s_floorf.c: Include <libm-alias-float.h>.
	(floorf): Define using libm_alias_float.
	* sysdeps/alpha/fpu/s_fmax.S: Include <libm-alias-float.h>.
	(fmaxf): Define using libm_alias_float.
	* sysdeps/alpha/fpu/s_fmin.S: Include <libm-alias-float.h>.
	(fminf): Define using libm_alias_float.
	* sysdeps/alpha/fpu/s_lrintf.c: Include <libm-alias-float.h>.
	(lrintf): Define using libm_alias_float.
	(llrintf): Likewise.
	* sysdeps/alpha/fpu/s_lroundf.c: Include <libm-alias-float.h>.
	(lroundf): Define using libm_alias_float.
	(llroundf): Likewise.
	* sysdeps/alpha/fpu/s_rintf.c: Include <libm-alias-float.h>.
	(rintf): Define using libm_alias_float.
	* sysdeps/alpha/fpu/s_truncf.c: Include <libm-alias-float.h>.
	(truncf): Define using libm_alias_float.

1 files changed, 6 insertions, 4 deletions

diff --git a/sysdeps/alpha/fpu/cfloat-compat.h b/sysdeps/alpha/fpu/cfloat-compat.h
index 484cdd0df2..17b374cf79 100644
--- a/sysdeps/alpha/fpu/cfloat-compat.h
+++ b/sysdeps/alpha/fpu/cfloat-compat.h
@@ -43,6 +43,7 @@ typedef union { double d; _Complex float cf; } c1_compat;
 /* Get the proper symbol versions defined for each function.  */
 
 #include <shlib-compat.h>
+#include <libm-alias-float.h>
 
 #if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_3_4)
 #define cfloat_versions_compat(func) \
@@ -52,7 +53,8 @@ typedef union { double d; _Complex float cf; } c1_compat;
 #endif
 
 #define cfloat_versions(func) \
-  cfloat_versions_compat(func); \
-  versioned_symbol (libm, __c2_##func, func, GLIBC_2_3_4); \
-  extern typeof(__c2_##func) __##func attribute_hidden; \
-  strong_alias (__c2_##func, __##func)
+  cfloat_versions_compat(func##f); \
+  versioned_symbol (libm, __c2_##func##f, func##f, GLIBC_2_3_4); \
+  extern typeof(__c2_##func##f) __##func##f attribute_hidden; \
+  strong_alias (__c2_##func##f, __##func##f); \
+  libm_alias_float_other (__##func, func)