diff options
| author | Andrew Hsieh <andrewhsieh@google.com> | 2014-06-18 13:00:04 -0700 |
|---|---|---|
| committer | Pavel Chupin <pavel.v.chupin@intel.com> | 2014-06-19 22:38:42 +0400 |
| commit | f190d6284359da8ae8694b2d2e14b01602a959ed (patch) | |
| tree | d4e0548e7cec02d60b1082368032e66a1c509a02 /gcc-4.8/gcc/ira.c | |
| parent | 4ff2f42147bc128ce38789071d98e55844cd3a5e (diff) | |
| download | toolchain_gcc-f190d6284359da8ae8694b2d2e14b01602a959ed.tar.gz toolchain_gcc-f190d6284359da8ae8694b2d2e14b01602a959ed.tar.bz2 toolchain_gcc-f190d6284359da8ae8694b2d2e14b01602a959ed.zip | |
Merge GCC 4.8.3
Change-Id: I0abe59f7705b3eccc6b2f123af75b2e30917696a
Diffstat (limited to 'gcc-4.8/gcc/ira.c')
| -rw-r--r-- | gcc-4.8/gcc/ira.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc-4.8/gcc/ira.c b/gcc-4.8/gcc/ira.c index 9e16465e4..87e72f067 100644 --- a/gcc-4.8/gcc/ira.c +++ b/gcc-4.8/gcc/ira.c @@ -4742,6 +4742,18 @@ do_reload (void) if (need_dce && optimize) run_fast_dce (); + /* Diagnose uses of the hard frame pointer when it is used as a global + register. Often we can get away with letting the user appropriate + the frame pointer, but we should let them know when code generation + makes that impossible. */ + if (global_regs[HARD_FRAME_POINTER_REGNUM] && frame_pointer_needed) + { + tree decl = global_regs_decl[HARD_FRAME_POINTER_REGNUM]; + error_at (DECL_SOURCE_LOCATION (current_function_decl), + "frame pointer required, but reserved"); + inform (DECL_SOURCE_LOCATION (decl), "for %qD", decl); + } + timevar_pop (TV_IRA); } |