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Diffstat (limited to 'gcc/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index cc867ffccf5..9866d8e8e74 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,16 @@ 2010-08-04 Richard Henderson <rth@redhat.com> + * reg-notes.def (CFA_EXPRESSION): New. + * dwarf2out.c (dwarf2out_frame_debug): Handle it. + (dwarf2out_frame_debug_cfa_expression): New. + (dwarf2out_frame_debug_def_cfa): Handle simple MEMs. + + * config/i386/i386.h (struct machine_frame_state): Add realigned flag. + * config/i386/i386.c (ix86_expand_prologue): Set it. + (ix86_expand_epilogue): Clear it. + (ix86_emit_save_reg_using_mov): For registers saved in a realigned + context, add REG_CFA_EXPRESSION notes. + * config/i386/i386.h (struct machine_frame_state): Rename from machine_cfa_state. Add members tracking SP and FP regardless of the current CFA register. |