From 6a4bdc797621dbf63470b88dcd50095571b0fe1d Mon Sep 17 00:00:00 2001 From: Bernd Schmidt Date: Wed, 6 Jul 2011 23:11:51 +0000 Subject: emit-rtl.c (paradoxical_subreg_p): New function. * emit-rtl.c (paradoxical_subreg_p): New function. * rtl.h (paradoxical_subreg_p): Declare. * combine.c (set_nonzero_bits_and_sign_copies, get_last_value, apply_distributive_law, simplify_comparison, simplify_set): Use it. * cse.c (record_jump_cond, cse_insn): Likewise. * expr.c (force_operand): Likewise. * rtlanal.c (num_sign_bit_copies1): Likewise. * reload1.c (eliminate_regs_1, strip_paradoxical_subreg): Likewise. * reload.c (push_secondary_reload, find_reloads_toplev): Likewise. (push_reload): Use precision to check for paradoxical subregs. * expmed.c (extract_bit_field_1): Likewise. From-SVN: r175944 --- gcc/rtl.h | 1 + 1 file changed, 1 insertion(+) (limited to 'gcc/rtl.h') diff --git a/gcc/rtl.h b/gcc/rtl.h index 2f2aaca..ac3c871 100644 --- a/gcc/rtl.h +++ b/gcc/rtl.h @@ -1633,6 +1633,7 @@ extern rtx operand_subword (rtx, unsigned int, int, enum machine_mode); /* In emit-rtl.c */ extern rtx operand_subword_force (rtx, unsigned int, enum machine_mode); +extern bool paradoxical_subreg_p (const_rtx); extern int subreg_lowpart_p (const_rtx); extern unsigned int subreg_lowpart_offset (enum machine_mode, enum machine_mode); -- cgit v1.1