+2000-11-22 Richard Henderson <rth@redhat.com>
+
+ * haifa-sched.c (sched_analyze_1): Don't special-case calls
+ for clobbering registers.
+ (sched_analyze_2): Likewise.
+ (sched_analyze): Zap reg_last_uses and reg_last_sets after calls.
+
2000-11-22 Chris Demetriou <cgd@sibyte.com>
-2000-11-22 Neil Booth <neilb@earthling.net>
+ Neil Booth <neilb@earthling.net>
- * gcc.c (validate_switches): Validate multiple switches named
- in '|' (or) expressions in specs.
- (handle_braces): If more than 1 alternative in a '|' spec
- matches, call do_spec1 just once.
+ * gcc.c (validate_switches): Validate multiple switches named
+ in '|' (or) expressions in specs.
+ (handle_braces): If more than 1 alternative in a '|' spec
+ matches, call do_spec1 just once.
2000-11-22 Michael Meissner <meissner@redhat.com>
2000-11-21 Neil Booth <neilb@earthling.net>
- * do_includes: Revert to using cpp_read_file.
+ * do_includes: Revert to using cpp_read_file.
2000-11-21 Bernd Schmidt <bernds@redhat.co.uk>
}
else
SET_REGNO_REG_SET (reg_pending_clobbers, r);
-
- /* Function calls clobber all call_used regs. */
- if (global_regs[r] || (code == SET && call_used_regs[r]))
- for (u = deps->last_function_call; u; u = XEXP (u, 1))
- add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
}
}
else
/* ??? This should never happen. */
for (u = deps->reg_last_clobbers[r]; u; u = XEXP (u, 1))
add_dependence (insn, XEXP (u, 0), 0);
-
- if (call_used_regs[r] || global_regs[r])
- /* Function calls clobber all call_used regs. */
- for (u = deps->last_function_call; u; u = XEXP (u, 1))
- add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
}
}
else
{
for (u = deps->reg_last_uses[i]; u; u = XEXP (u, 1))
add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
+ free_INSN_LIST_list (&deps->reg_last_uses[i]);
for (u = deps->reg_last_sets[i]; u; u = XEXP (u, 1))
- add_dependence (insn, XEXP (u, 0), REG_DEP_ANTI);
+ add_dependence (insn, XEXP (u, 0), REG_DEP_OUTPUT);
+ free_INSN_LIST_list (&deps->reg_last_sets[i]);
SET_REGNO_REG_SET (reg_pending_clobbers, i);
}