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author | Richard Sandiford <richard.sandiford@linaro.org> | 2018-06-12 22:31:14 +0000 |
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committer | Richard Sandiford <rsandifo@gcc.gnu.org> | 2018-06-12 22:31:14 +0000 |
commit | 5284e55987deac1dede0b03f5a27413051c6b02b (patch) | |
tree | 04502798041680f8013e99050bfef168da606090 /gcc/cse.c | |
parent | 6044eae783cea564ad65fe65646346cb67760934 (diff) | |
download | gcc-5284e55987deac1dede0b03f5a27413051c6b02b.zip gcc-5284e55987deac1dede0b03f5a27413051c6b02b.tar.gz gcc-5284e55987deac1dede0b03f5a27413051c6b02b.tar.bz2 |
Use poly_int rtx accessors instead of hwi accessors
This patch generalises various places that used hwi rtx accessors so
that they can handle poly_ints instead. In many cases these changes
are by inspection rather than because something had shown them to be
necessary.
2018-06-12 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* poly-int.h (can_div_trunc_p): Add new overload in which all values
are poly_ints.
* alias.c (get_addr): Extend CONST_INT handling to poly_int_rtx_p.
(memrefs_conflict_p): Likewise.
(init_alias_analysis): Likewise.
* cfgexpand.c (expand_debug_expr): Likewise.
* combine.c (combine_simplify_rtx, force_int_to_mode): Likewise.
* cse.c (fold_rtx): Likewise.
* explow.c (adjust_stack, anti_adjust_stack): Likewise.
* expr.c (emit_block_move_hints): Likewise.
(clear_storage_hints, push_block, emit_push_insn): Likewise.
(store_expr_with_bounds, reduce_to_bit_field_precision): Likewise.
(emit_group_load_1): Use rtx_to_poly_int64 for group offsets.
(emit_group_store): Likewise.
(find_args_size_adjust): Use strip_offset. Use rtx_to_poly_int64
to read the PRE/POST_MODIFY increment.
* calls.c (store_one_arg): Use strip_offset.
* rtlanal.c (rtx_addr_can_trap_p_1): Extend CONST_INT handling to
poly_int_rtx_p.
(set_noop_p): Use rtx_to_poly_int64 for the elements selected
by a VEC_SELECT.
* simplify-rtx.c (avoid_constant_pool_reference): Use strip_offset.
(simplify_binary_operation_1): Extend CONST_INT handling to
poly_int_rtx_p.
* var-tracking.c (compute_cfa_pointer): Take a poly_int64 rather
than a HOST_WIDE_INT.
(hard_frame_pointer_adjustment): Change from HOST_WIDE_INT to
poly_int64.
(adjust_mems, add_stores): Update accodingly.
(vt_canonicalize_addr): Track polynomial offsets.
(emit_note_insn_var_location): Likewise.
(vt_add_function_parameter): Likewise.
(vt_initialize): Likewise.
From-SVN: r261530
Diffstat (limited to 'gcc/cse.c')
-rw-r--r-- | gcc/cse.c | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -3112,6 +3112,7 @@ fold_rtx (rtx x, rtx_insn *insn) int i; rtx new_rtx = 0; int changed = 0; + poly_int64 xval; /* Operands of X. */ /* Workaround -Wmaybe-uninitialized false positive during @@ -3592,12 +3593,11 @@ fold_rtx (rtx x, rtx_insn *insn) case MINUS: /* If we have (MINUS Y C), see if Y is known to be (PLUS Z C2). If so, produce (PLUS Z C2-C). */ - if (const_arg1 != 0 && CONST_INT_P (const_arg1)) + if (const_arg1 != 0 && poly_int_rtx_p (const_arg1, &xval)) { rtx y = lookup_as_function (XEXP (x, 0), PLUS); - if (y && CONST_INT_P (XEXP (y, 1))) - return fold_rtx (plus_constant (mode, copy_rtx (y), - -INTVAL (const_arg1)), + if (y && poly_int_rtx_p (XEXP (y, 1))) + return fold_rtx (plus_constant (mode, copy_rtx (y), -xval), NULL); } |