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author | Bernd Schmidt <bernds@codesourcery.com> | 2011-07-06 23:11:51 +0000 |
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committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2011-07-06 23:11:51 +0000 |
commit | 6a4bdc797621dbf63470b88dcd50095571b0fe1d (patch) | |
tree | 5f9f7faef58377378ef03c74cddbf4a06d8c42d4 /gcc/rtl.h | |
parent | 76594d53186a78667bbb7b25f9231c396509a0a2 (diff) | |
download | gcc-6a4bdc797621dbf63470b88dcd50095571b0fe1d.zip gcc-6a4bdc797621dbf63470b88dcd50095571b0fe1d.tar.gz gcc-6a4bdc797621dbf63470b88dcd50095571b0fe1d.tar.bz2 |
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
Diffstat (limited to 'gcc/rtl.h')
-rw-r--r-- | gcc/rtl.h | 1 |
1 files changed, 1 insertions, 0 deletions
@@ -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); |