From: Bill Schmidt Date: Mon, 3 Mar 2014 01:33:24 +0000 (+0000) Subject: constraints.md: Document reserved use of "wc". X-Git-Tag: releases/gcc-4.9.0~608 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=715a5c85f7db0146b2df19452958e26d15d6eab8;p=thirdparty%2Fgcc.git constraints.md: Document reserved use of "wc". 2014-03-02 Bill Schmidt * config/rs6000/constraints.md: Document reserved use of "wc". From-SVN: r208266 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index c05694693b06..9acf6ec66798 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2014-03-02 Bill Schmidt + + * config/rs6000/constraints.md: Document reserved use of "wc". + 2014-03-02 Jan Hubicka PR ipa/60150 diff --git a/gcc/config/rs6000/constraints.md b/gcc/config/rs6000/constraints.md index 50b0e2972146..50fb101e85c3 100644 --- a/gcc/config/rs6000/constraints.md +++ b/gcc/config/rs6000/constraints.md @@ -56,6 +56,9 @@ (define_register_constraint "wa" "rs6000_constraints[RS6000_CONSTRAINT_wa]" "Any VSX register if the -mvsx option was used or NO_REGS.") +;; NOTE: For compatibility, "wc" is reserved to represent individual CR bits. +;; It is currently used for that purpose in LLVM. + (define_register_constraint "wd" "rs6000_constraints[RS6000_CONSTRAINT_wd]" "VSX vector register to hold vector double data or NO_REGS.")