* bt-load.c (compute_defs_uses_and_gen): Check for the blockage
pattern emitted by expand_nl_goto_receiver.
PR middle-end/20793:
* integrate.c (allocate_initial_values): Update register liveness
information.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@99668
138bc75d-0d04-0410-961f-
82ee72b054a4
+2005-05-13 J"orn Rennecke <joern.rennecke@st.com>
+
+ PR rtl-optimization/20769:
+ * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
+ pattern emitted by expand_nl_goto_receiver.
+
+ PR middle-end/20793:
+ * integrate.c (allocate_initial_values): Update register liveness
+ information.
+
2005-05-13 Josh Conner <jconner@apple.com>
* arm.c (arm_return_in_memory): Add handling for vector return types.
SET_BIT (btr_defset[regno - first_btr], insn_uid);
note_other_use_this_block (regno, info.users_this_bb);
}
+ /* Check for the blockage emitted by expand_nl_goto_receiver. */
+ else if (current_function_has_nonlocal_label
+ && GET_CODE (PATTERN (insn)) == ASM_INPUT)
+ {
+ btr_user user;
+
+ /* Do the equivalent of calling note_other_use_this_block
+ for every target register. */
+ for (user = info.users_this_bb; user != NULL;
+ user = user->next)
+ if (user->use)
+ user->other_use_this_block = 1;
+ IOR_HARD_REG_SET (info.btrs_written_in_block, all_btrs);
+ IOR_HARD_REG_SET (info.btrs_live_in_block, all_btrs);
+ sbitmap_zero (info.bb_gen);
+ }
else
{
if (btr_referenced_p (PATTERN (insn), NULL))
reg_equiv_memory_loc[regno] = x;
else
{
+ basic_block bb;
+ int new_regno;
+
gcc_assert (REG_P (x));
- reg_renumber[regno] = REGNO (x);
+ new_regno = REGNO (x);
+ reg_renumber[regno] = new_regno;
/* Poke the regno right into regno_reg_rtx so that even
fixed regs are accepted. */
- REGNO (ivs->entries[i].pseudo) = REGNO (x);
+ REGNO (ivs->entries[i].pseudo) = new_regno;
+ /* Update global register liveness information. */
+ FOR_EACH_BB (bb)
+ {
+ if (REGNO_REG_SET_P(bb->global_live_at_start, regno))
+ SET_REGNO_REG_SET (bb->global_live_at_start, new_regno);
+ if (REGNO_REG_SET_P(bb->global_live_at_end, regno))
+ SET_REGNO_REG_SET (bb->global_live_at_end, new_regno);
+ }
}
}
}