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| author | Eric Botcazou <ebotcazou@adacore.com> | 2016-11-04 17:42:32 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2016-11-04 17:42:32 +0000 |
| commit | 6a4cf4188b2969680fe8e048da2d4a614cfebcc5 (patch) | |
| tree | 19304350ea337fd0ad982ff31dfc86f212bb2f39 /gcc/reload1.c | |
| parent | bef3a8d7a6d2697a8ed7bcb1a26ce08ce0ae42af (diff) | |
| download | gcc-6a4cf4188b2969680fe8e048da2d4a614cfebcc5.zip gcc-6a4cf4188b2969680fe8e048da2d4a614cfebcc5.tar.gz gcc-6a4cf4188b2969680fe8e048da2d4a614cfebcc5.tar.bz2 | |
defaults.h (LOAD_EXTEND_OP): Define if not already defined.
* defaults.h (LOAD_EXTEND_OP): Define if not already defined.
* combine.c (LOAD_EXTEND_OP): Delete.
(simplify_comparison): Fix comment about LOAD_EXTEND_OP.
* cse.c (LOAD_EXTEND_OP): Delete.
* fold-const.c (LOAD_EXTEND_OP): Likewise.
* fwprop.c (free_load_extend): Remove #ifdef LOAD_EXTEND_OP/#endif.
* postreload.c (LOAD_EXTEND_OP): Delete.
* reload.c (push_reload): Remove #ifdef LOAD_EXTEND_OP/#endif.
Convert conditional compilation based on WORD_REGISTER_OPERATIONS.
(find_reloads): Likewise.
* reload1.c (eliminate_regs_1): Likewise.
* rtlanal.c (nonzero_bits1): Remove #ifdef LOAD_EXTEND_OP/#endif.
(num_sign_bit_copies1): Likewise.
From-SVN: r241855
Diffstat (limited to 'gcc/reload1.c')
| -rw-r--r-- | gcc/reload1.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index 876f7ef..4ee3840 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -2819,18 +2819,16 @@ eliminate_regs_1 (rtx x, machine_mode mem_mode, rtx insn, if (MEM_P (new_rtx) && ((x_size < new_size -#if WORD_REGISTER_OPERATIONS - /* On these machines, combine can create rtl of the form + /* On RISC machines, combine can create rtl of the form (set (subreg:m1 (reg:m2 R) 0) ...) where m1 < m2, and expects something interesting to happen to the entire word. Moreover, it will use the (reg:m2 R) later, expecting all bits to be preserved. So if the number of words is the same, preserve the subreg so that push_reload can see it. */ - && ! ((x_size - 1) / UNITS_PER_WORD - == (new_size -1 ) / UNITS_PER_WORD) -#endif - ) + && !(WORD_REGISTER_OPERATIONS + && (x_size - 1) / UNITS_PER_WORD + == (new_size -1 ) / UNITS_PER_WORD)) || x_size == new_size) ) return adjust_address_nv (new_rtx, GET_MODE (x), SUBREG_BYTE (x)); |