mirror of git://gcc.gnu.org/git/gcc.git
99063eeecb
The original patch for this PR made it an error to list the stack pointer in the clobber list of an inline asm. However, the general feeling seemed to be that going straight to a hard error was too harsh, since there's quite a bit of existing code that has the clobber. This patch implements the compromise discussed on IRC of making it a -Wdeprecated warning instead. 2019-01-15 Richard Sandiford <richard.sandiford@arm.com> gcc/ PR inline-asm/52813 * doc/extend.texi: Document that listing the stack pointer in the clobber list of an asm is a deprecated feature. * common.opt (Wdeprecated): Moved from c-family/c.opt. * cfgexpand.c (asm_clobber_reg_is_valid): Issue a -Wdeprecated warning instead of an error for clobbers of the stack pointer. Add a note explaining why. gcc/c-family/ PR inline-asm/52813 * c.opt (Wdeprecated): Move documentation and variable to common.opt. gcc/d/ PR inline-asm/52813 * lang.opt (Wdeprecated): Reference common.opt instead of c.opt. gcc/testsuite/ PR inline-asm/52813 * gcc.target/i386/pr52813.c (test1): Turn the diagnostic into a -Wdeprecated warning and expect a following note:. From-SVN: r267941 |
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README
This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the files whose names start with 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/ for how to report bugs usefully. Copyright years on GCC source files may be listed using range notation, e.g., 1987-2012, indicating that every year in the range, inclusive, is a copyrightable year that could otherwise be listed individually.