diff options
Diffstat (limited to 'gcc/config/rs6000/rs6000.c')
| -rw-r--r-- | gcc/config/rs6000/rs6000.c | 120 |
1 files changed, 100 insertions, 20 deletions
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c index d94ebde00e4..e02b0863dbf 100644 --- a/gcc/config/rs6000/rs6000.c +++ b/gcc/config/rs6000/rs6000.c @@ -18,7 +18,7 @@ along with GCC; see the file COPYING3. If not see <http://www.gnu.org/licenses/>. */ -#define TARGET_C_FILE 1 +#define IN_TARGET_CODE 1 #include "config.h" #include "system.h" @@ -1730,6 +1730,8 @@ static const struct attribute_spec rs6000_attribute_table[] = #define TARGET_RTX_COSTS rs6000_rtx_costs #undef TARGET_ADDRESS_COST #define TARGET_ADDRESS_COST hook_int_rtx_mode_as_bool_0 +#undef TARGET_INSN_COST +#define TARGET_INSN_COST rs6000_insn_cost #undef TARGET_INIT_DWARF_REG_SIZES_EXTRA #define TARGET_INIT_DWARF_REG_SIZES_EXTRA rs6000_init_dwarf_reg_sizes_extra @@ -1958,6 +1960,9 @@ static const struct attribute_spec rs6000_attribute_table[] = #undef TARGET_CONSTANT_ALIGNMENT #define TARGET_CONSTANT_ALIGNMENT rs6000_constant_alignment + +#undef TARGET_STARTING_FRAME_OFFSET +#define TARGET_STARTING_FRAME_OFFSET rs6000_starting_frame_offset /* Processor table. */ @@ -23255,24 +23260,6 @@ rs6000_emit_int_cmove (rtx dest, rtx op, rtx true_cond, rtx false_cond) return 1; } -const char * -output_isel (rtx *operands) -{ - enum rtx_code code; - - code = GET_CODE (operands[1]); - - if (code == GE || code == GEU || code == LE || code == LEU || code == NE) - { - gcc_assert (GET_CODE (operands[2]) == REG - && GET_CODE (operands[3]) == REG); - PUT_CODE (operands[1], reverse_condition (code)); - return "isel %0,%3,%2,%j1"; - } - - return "isel %0,%2,%3,%j1"; -} - void rs6000_emit_minmax (rtx dest, enum rtx_code code, rtx op0, rtx op1) { @@ -34393,7 +34380,8 @@ rs6000_xcoff_asm_output_aligned_decl_common (FILE *stream, size, align2); #ifdef HAVE_GAS_HIDDEN - fputs (rs6000_xcoff_visibility (decl), stream); + if (decl != NULL) + fputs (rs6000_xcoff_visibility (decl), stream); #endif putc ('\n', stream); } @@ -34938,6 +34926,88 @@ rs6000_debug_rtx_costs (rtx x, machine_mode mode, int outer_code, return ret; } +static int +rs6000_insn_cost (rtx_insn *insn, bool speed) +{ + if (recog_memoized (insn) < 0) + return 0; + + if (!speed) + return get_attr_length (insn); + + int cost = get_attr_cost (insn); + if (cost > 0) + return cost; + + int n = get_attr_length (insn) / 4; + enum attr_type type = get_attr_type (insn); + + switch (type) + { + case TYPE_LOAD: + case TYPE_FPLOAD: + case TYPE_VECLOAD: + cost = COSTS_N_INSNS (n + 1); + break; + + case TYPE_MUL: + switch (get_attr_size (insn)) + { + case SIZE_8: + cost = COSTS_N_INSNS (n - 1) + rs6000_cost->mulsi_const9; + break; + case SIZE_16: + cost = COSTS_N_INSNS (n - 1) + rs6000_cost->mulsi_const; + break; + case SIZE_32: + cost = COSTS_N_INSNS (n - 1) + rs6000_cost->mulsi; + break; + case SIZE_64: + cost = COSTS_N_INSNS (n - 1) + rs6000_cost->muldi; + break; + default: + gcc_unreachable (); + } + break; + case TYPE_DIV: + switch (get_attr_size (insn)) + { + case SIZE_32: + cost = COSTS_N_INSNS (n - 1) + rs6000_cost->divsi; + break; + case SIZE_64: + cost = COSTS_N_INSNS (n - 1) + rs6000_cost->divdi; + break; + default: + gcc_unreachable (); + } + break; + + case TYPE_FP: + cost = n * rs6000_cost->fp; + break; + case TYPE_DMUL: + cost = n * rs6000_cost->dmul; + break; + case TYPE_SDIV: + cost = n * rs6000_cost->sdiv; + break; + case TYPE_DDIV: + cost = n * rs6000_cost->ddiv; + break; + + case TYPE_SYNC: + case TYPE_LOAD_L: + cost = COSTS_N_INSNS (n + 2); + break; + + default: + cost = COSTS_N_INSNS (n); + } + + return cost; +} + /* Debug form of ADDRESS_COST that is selected if -mdebug=cost. */ static int @@ -39433,6 +39503,16 @@ rs6000_constant_alignment (const_tree exp, HOST_WIDE_INT align) return MAX (align, BITS_PER_WORD); return align; } + +/* Implement TARGET_STARTING_FRAME_OFFSET. */ + +static HOST_WIDE_INT +rs6000_starting_frame_offset (void) +{ + if (FRAME_GROWS_DOWNWARD) + return 0; + return RS6000_STARTING_FRAME_OFFSET; +} struct gcc_target targetm = TARGET_INITIALIZER; |