From 39a7b82283cab9dbfc119d8411d26d55a65f5eb4 Mon Sep 17 00:00:00 2001 From: "Gabriel F. T. Gomes" Date: Thu, 11 Jul 2019 11:48:28 -0300 Subject: RFC: powerpc64le: Enable support for IEEE long double Not for glibc-2.31 - Do not commit! No changes since v3. Changes since v2: - Added definition of LDBL_IBM128_COMPAT_VERSION and LDBL_IBM128_VERSION (moved from a previous commit). Changes since v1: - Use __LONG_DOUBLE_USES_FLOAT128 directly. -- 8< -- On platforms where long double may have two different formats, i.e.: the same format as double (64-bits) or something else (128-bits), building with -mlong-double-128 is the default and function calls in the user program match the name of the function in Glibc. When building with -mlong-double-64, Glibc installed headers redirect such calls to the appropriate function. This patch adds similar redirections to be used by user code builds in IEEE long double mode (-mabi=ieeelongdouble). It also skips some uses of libc_hidden_proto in internal headers, because they also produce redirections, causing a redirection conflict. PS: Missing NEWS entry. --- stdlib/bits/stdlib-ldbl.h | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'stdlib/bits/stdlib-ldbl.h') diff --git a/stdlib/bits/stdlib-ldbl.h b/stdlib/bits/stdlib-ldbl.h index dcbf74a6dd..615ee3131a 100644 --- a/stdlib/bits/stdlib-ldbl.h +++ b/stdlib/bits/stdlib-ldbl.h @@ -21,21 +21,43 @@ #endif #ifdef __USE_ISOC99 +# ifdef __LDBL_COMPAT __LDBL_REDIR1_DECL (strtold, strtod) +# else +__LDBL_REDIR1_DECL (strtold, __strtoieee128) +# endif #endif #ifdef __USE_GNU +# ifdef __LDBL_COMPAT __LDBL_REDIR1_DECL (strtold_l, strtod_l) +# else +__LDBL_REDIR1_DECL (strtold_l, __strtoieee128_l) +# endif #endif #if __GLIBC_USE (IEC_60559_BFP_EXT_C2X) +# ifdef __LDBL_COMPAT __LDBL_REDIR1_DECL (strfroml, strfromd) +# else +__LDBL_REDIR1_DECL (strfroml, __strfromieee128) +# endif #endif #ifdef __USE_MISC +# if defined __LDBL_COMPAT __LDBL_REDIR1_DECL (qecvt, ecvt) __LDBL_REDIR1_DECL (qfcvt, fcvt) __LDBL_REDIR1_DECL (qgcvt, gcvt) __LDBL_REDIR1_DECL (qecvt_r, ecvt_r) __LDBL_REDIR1_DECL (qfcvt_r, fcvt_r) +# elif __LONG_DOUBLE_USES_FLOAT128 == 1 +__LDBL_REDIR1_DECL (qecvt, __qecvtieee128) +__LDBL_REDIR1_DECL (qfcvt, __qfcvtieee128) +__LDBL_REDIR1_DECL (qgcvt, __qgcvtieee128) +__LDBL_REDIR1_DECL (qecvt_r, __qecvtieee128_r) +__LDBL_REDIR1_DECL (qfcvt_r, __qfcvtieee128_r) +# else +# error bits/stdlib-ldbl.h included when no ldbl redirections are required. +# endif #endif -- cgit v1.2.3