mirror of
git://gcc.gnu.org/git/gcc.git
synced 2025-03-18 02:10:28 +08:00
ac2e563fcf
PR target/38900 * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c. (enum reg_class): Add CLOBBERED_REGS. (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise. * config/i386/i386.c (ix86_conditional_register_usage): Moved from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit. (ix86_function_ok_for_sibcall): Tidy. Disallow MS->SYSV sibcalls. (ix86_expand_call): Use sibcall_insn_operand when needed. Don't force 64-bit sibcalls into R11. * config/i386/constraints.md (U): New constraint. * config/i386/i386.md (sibcall_1, sibcall_value_1): Use it. (sibcall_1_rex64, sibcall_value_1_rex64): Likewise. (sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove. From-SVN: r149373
This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the file COPYING for copying permission. The manuals, and some of the runtime libraries, are under different terms; see the individual source files for details. The directory INSTALL contains copies of the installation information as HTML and plain text. The source of this information is gcc/doc/install.texi. The installation information includes details of what is included in the GCC sources and what files GCC installs. See the file gcc/doc/gcc.texi (together with other files that it includes) for usage and porting information. An online readable version of the manual is in the files gcc/doc/gcc.info*. See http://gcc.gnu.org/bugs.html for how to report bugs usefully.