diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/Makefile | 20 | ||||
| -rwxr-xr-x | gcc/function.c | 2 | ||||
| -rwxr-xr-x | gcc/loop.c | 4 | ||||
| -rwxr-xr-x | gcc/thumb.c | 4 | ||||
| -rwxr-xr-x | gcc/unroll.c | 12 |
5 files changed, 36 insertions, 6 deletions
diff --git a/gcc/Makefile b/gcc/Makefile index 358b1de..eb6d667 100644 --- a/gcc/Makefile +++ b/gcc/Makefile @@ -24,7 +24,7 @@ VPATH = $(srcdir) CC = gcc -CFLAGS = -g -std=gnu11 -Wunused-function -m32 +BASE_CFLAGS = -g -std=gnu11 -Wunused-function -m32 INCLUDES = -I. -I$(srcdir) @@ -55,8 +55,17 @@ GENERATED = genrtl.c genrtl.h \ tree-check.h \ insn-config.h insn-flags.h insn-codes.h insn-attr.h -agbcc: $(OBJS) - $(CC) $(CFLAGS) -o $@ $(OBJS) $(RTL_OBJS) $(PRINT_OBJS) $(RTLANAL_OBJS) +.PHONY: normal old clean + +# The usual compiler. +normal: CFLAGS = $(BASE_CFLAGS) +normal: $(OBJS) + $(CC) $(CFLAGS) -o agbcc $(OBJS) $(RTL_OBJS) $(PRINT_OBJS) $(RTLANAL_OBJS) + +# The old version of the compiler, used for building libgcc. +old: CFLAGS = $(BASE_CFLAGS) -DOLD_COMPILER +old: $(OBJS) + $(CC) $(CFLAGS) -o old_agbcc $(OBJS) $(RTL_OBJS) $(PRINT_OBJS) $(RTLANAL_OBJS) # Clear suffixes. .SUFFIXES: @@ -84,10 +93,9 @@ $(DEPDIR)/%.d: ; GEN = genemit genoutput genrecog genextract genflags gencodes genconfig \ genpeep gengenrtl gencheck genattr genattrtab genopinit -.PHONY: clean - clean: - $(RM) agbcc agbcc.exe $(OBJS) $(RTL_OBJS) $(RTLANAL_OBJS) $(PRINT_OBJS) + $(RM) agbcc agbcc.exe old_agbcc old_agbcc.exe + $(RM) $(OBJS) $(RTL_OBJS) $(RTLANAL_OBJS) $(PRINT_OBJS) $(RM) $(GENERATED) $(RM) $(GEN) $(addsuffix .exe,$(GEN)) $(addsuffix .o,$(GEN)) $(RM) s-config s-flags s-codes s-emit s-recog s-opinit s-extract s-peep \ diff --git a/gcc/function.c b/gcc/function.c index d5ffd30..5119688 100755 --- a/gcc/function.c +++ b/gcc/function.c @@ -6133,7 +6133,9 @@ expand_function_end (filename, line, end_bindings) use_variable (outgoing); } +#ifndef OLD_COMPILER use_return_register (); +#endif /* If this is an implementation of __throw, do what's necessary to communicate between __builtin_eh_return and the epilogue. */ @@ -7634,8 +7634,12 @@ check_dbra_loop (loop_end, insn_count, loop_start, loop_info) } } } +#ifndef OLD_COMPILER else if (GET_CODE (bl->biv->add_val) == CONST_INT && INTVAL (bl->biv->add_val) > 0) +#else + else if (INTVAL (bl->biv->add_val) > 0) +#endif { /* Try to change inc to dec, so can apply above optimization. */ /* Can do this if: diff --git a/gcc/thumb.c b/gcc/thumb.c index 0310a51..a513436 100755 --- a/gcc/thumb.c +++ b/gcc/thumb.c @@ -1512,6 +1512,7 @@ arm_valid_machine_decl_attribute(tree decl, tree attributes, tree attr, tree arg int s_register_operand(rtx op, enum machine_mode mode) { +#ifndef OLD_COMPILER if (GET_MODE(op) != mode && mode != VOIDmode) return 0; @@ -1524,4 +1525,7 @@ s_register_operand(rtx op, enum machine_mode mode) return (GET_CODE(op) == REG && (REGNO(op) >= FIRST_PSEUDO_REGISTER || REGNO_REG_CLASS(REGNO(op)) != NO_REGS)); +#else + return register_operand(op, mode); +#endif } diff --git a/gcc/unroll.c b/gcc/unroll.c index 5ffb7d1..2017fdf 100755 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -238,7 +238,9 @@ unroll_loop (loop_end, insn_count, loop_start, end_insert_before, struct inline_remap *map; char *local_label; char *local_regno; +#ifndef OLD_COMPILER int max_local_regnum; +#endif int maxregnum; int new_maxregnum; rtx exit_label = 0; @@ -756,8 +758,10 @@ unroll_loop (loop_end, insn_count, loop_start, end_insert_before, /* The preconditioning code may allocate two new pseudo registers. */ maxregnum = max_reg_num (); +#ifndef OLD_COMPILER /* local_regno is only valid for regnos < max_local_regnum. */ max_local_regnum = maxregnum; +#endif /* Allocate and zero out the splittable_regs and addr_combined_regs arrays. These must be zeroed here because they will be used if @@ -1058,7 +1062,11 @@ unroll_loop (loop_end, insn_count, loop_start, end_insert_before, if (local_label[j]) set_label_in_map (map, j, gen_label_rtx ()); +#ifndef OLD_COMPILER for (j = FIRST_PSEUDO_REGISTER; j < max_local_regnum; j++) +#else + for (j = FIRST_PSEUDO_REGISTER; j < maxregnum; j++) +#endif if (local_regno[j]) { map->reg_map[j] = gen_reg_rtx (GET_MODE (regno_reg_rtx[j])); @@ -1214,7 +1222,11 @@ unroll_loop (loop_end, insn_count, loop_start, end_insert_before, if (local_label[j]) set_label_in_map (map, j, gen_label_rtx ()); +#ifndef OLD_COMPILER for (j = FIRST_PSEUDO_REGISTER; j < max_local_regnum; j++) +#else + for (j = FIRST_PSEUDO_REGISTER; j < maxregnum; j++) +#endif if (local_regno[j]) { map->reg_map[j] = gen_reg_rtx (GET_MODE (regno_reg_rtx[j])); |