r249448 - in /trunk/gcc: ChangeLog config/i386/...

[glisse@gcc.gnu.org]

Author: glisse
Date: Wed Jun 21 11:20:41 2017
New Revision: 249448

URL: https://gcc.gnu.org/viewcvs?rev=249448&root=gcc&view=rev
Log:
[i386] __builtin_ia32_stmxcsr could be pure

2017-06-21  Marc Glisse  <marc.glisse@inria.fr>

gcc/
	* config/i386/i386.c (struct builtin_isa): New field pure_p.
	Reorder for compactness.
	(def_builtin, def_builtin2, ix86_add_new_builtins): Handle pure_p.
	(def_builtin_pure, def_builtin_pure2): New functions.
	(ix86_init_mmx_sse_builtins) [__builtin_ia32_stmxcsr]: Mark as pure.

gcc/testsuite/
	* gcc.target/i386/getround.c: New file.


Added:
    trunk/gcc/testsuite/gcc.target/i386/getround.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog