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gcc/gcc ChangeLog Makefile.in c-common.c c-com ...
- From: jakub at gcc dot gnu dot org
- To: gcc-cvs at gcc dot gnu dot org
- Date: 16 Sep 2003 14:59:39 -0000
- Subject: gcc/gcc ChangeLog Makefile.in c-common.c c-com ...
CVSROOT: /cvs/gcc
Module name: gcc
Branch: gcc-3_2-rhl8-branch
Changes by: jakub@gcc.gnu.org 2003-09-16 14:59:39
Modified files:
gcc : ChangeLog Makefile.in c-common.c c-common.h
calls.c expr.c input.h tree-inline.c
gcc/doc : extend.texi
gcc/testsuite : ChangeLog
Added files:
gcc/testsuite/gcc.dg: attr-warn-unused-result.c
Log message:
* c-common.c: Include input.h.
(handle_warn_unused_result_attribute): New function.
(c_format_attribute_table): Add warn_unused_result.
(c_expand_expr): Issue warning when result of inlined function
with warn_unused_result attribute is ignored.
* calls.c (expand_call): Issue warning when result of function
with warn_unused_result attribute is ignored.
* c-common.h (STMT_EXPR_WARN_UNUSED_RESULT): Define.
* expr.c: Include input.h.
(expr_wfl_stack): Define.
(expand_expr) <case EXPR_WITH_FILE_LOCATION>: If ignore,
pass const0_rtx as target. Chain locations into expr_wfl_stack.
* tree-inline.c (expand_call_inline): Set STMT_EXPR_WARN_UNUSED_RESULT
bit if inlined function has warn_unused_result attribute.
* input.h (expr_wfl_stack): Declare.
* doc/extend.texi: Document warn_unused_result attribute.
* Makefile.in (expr.o, c-common.o): Depend on input.h.
* gcc.dg/attr-warn-unused-result.c: New test.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_2-rhl8-branch&r1=1.13152.2.657.2.27.2.167&r2=1.13152.2.657.2.27.2.168
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/Makefile.in.diff?cvsroot=gcc&only_with_tag=gcc-3_2-rhl8-branch&r1=1.830.2.15.4.12&r2=1.830.2.15.4.13
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-common.c.diff?cvsroot=gcc&only_with_tag=gcc-3_2-rhl8-branch&r1=1.294.2.9.2.1.2.5&r2=1.294.2.9.2.1.2.6
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/c-common.h.diff?cvsroot=gcc&only_with_tag=gcc-3_2-rhl8-branch&r1=1.115.2.3.4.1.2.2&r2=1.115.2.3.4.1.2.3
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/calls.c.diff?cvsroot=gcc&only_with_tag=gcc-3_2-rhl8-branch&r1=1.221.2.2.8.7&r2=1.221.2.2.8.8
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/expr.c.diff?cvsroot=gcc&only_with_tag=gcc-3_2-rhl8-branch&r1=1.423.2.19.4.1.2.18&r2=1.423.2.19.4.1.2.19
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/input.h.diff?cvsroot=gcc&only_with_tag=gcc-3_2-rhl8-branch&r1=1.7&r2=1.7.20.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-inline.c.diff?cvsroot=gcc&only_with_tag=gcc-3_2-rhl8-branch&r1=1.15.2.3.4.1.2.4&r2=1.15.2.3.4.1.2.5
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/extend.texi.diff?cvsroot=gcc&only_with_tag=gcc-3_2-rhl8-branch&r1=1.64.2.2.6.7&r2=1.64.2.2.6.8
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_2-rhl8-branch&r1=1.1672.2.166.2.8.2.68&r2=1.1672.2.166.2.8.2.69
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/attr-warn-unused-result.c.diff?cvsroot=gcc&only_with_tag=gcc-3_2-rhl8-branch&r1=NONE&r2=1.1.2.1