+++ /dev/null
-/* This was cut down from reload1.c in May 2001, was observed to cause
- a bootstrap failure for powerpc-apple-darwin1.3.
-
- Copyright (C) 2001 Free Software Foundation. */
-
-enum insn_code
-{
- CODE_FOR_extendqidi2 = 3,
- CODE_FOR_nothing = 870
-};
-
-struct rtx_def;
-
-enum machine_mode
-{
- VOIDmode,
- MAX_MACHINE_MODE
-};
-
-typedef unsigned long long HARD_REG_ELT_TYPE;
-typedef HARD_REG_ELT_TYPE HARD_REG_SET[((77 + (8 * 8) - 1) / (8 * 8))];
-
-enum rtx_code
-{
- UNKNOWN,
- NIL,
- REG,
- LAST_AND_UNUSED_RTX_CODE
-};
-
-typedef struct
-{
- unsigned min_align:8;
- unsigned base_after_vec:1;
- unsigned min_after_vec:1;
- unsigned max_after_vec:1;
- unsigned min_after_base:1;
- unsigned max_after_base:1;
- unsigned offset_unsigned:1;
- unsigned:2;
- unsigned scale:8;
-}
-addr_diff_vec_flags;
-typedef union rtunion_def
-{
- long long rtwint;
- int rtint;
- unsigned int rtuint;
- const char *rtstr;
- struct rtx_def *rtx;
- struct rtvec_def *rtvec;
- enum machine_mode rttype;
- addr_diff_vec_flags rt_addr_diff_vec_flags;
- struct cselib_val_struct *rt_cselib;
- struct bitmap_head_def *rtbit;
- union tree_node *rttree;
- struct basic_block_def *bb;
-}
-rtunion;
-typedef struct rtx_def
-{
- enum rtx_code code:16;
- enum machine_mode mode:8;
- unsigned int jump:1;
- unsigned int call:1;
- unsigned int unchanging:1;
- unsigned int volatil:1;
- unsigned int in_struct:1;
- unsigned int used:1;
- unsigned integrated:1;
- unsigned frame_related:1;
- rtunion fld[1];
-}
- *rtx;
-
-enum reload_type
-{
- RELOAD_FOR_INPUT, RELOAD_FOR_OUTPUT, RELOAD_FOR_INSN,
- RELOAD_FOR_INPUT_ADDRESS, RELOAD_FOR_INPADDR_ADDRESS,
- RELOAD_FOR_OUTPUT_ADDRESS, RELOAD_FOR_OUTADDR_ADDRESS,
- RELOAD_FOR_OPERAND_ADDRESS, RELOAD_FOR_OPADDR_ADDR,
- RELOAD_OTHER, RELOAD_FOR_OTHER_ADDRESS
-};
-
-struct reload
-{
- rtx in;
- rtx out;
- // enum reg_class class;
- enum machine_mode inmode;
- enum machine_mode outmode;
- enum machine_mode mode;
- unsigned int nregs;
- int inc;
- rtx in_reg;
- rtx out_reg;
- int regno;
- rtx reg_rtx;
- int opnum;
- int secondary_in_reload;
- int secondary_out_reload;
- enum insn_code secondary_in_icode;
- enum insn_code secondary_out_icode;
- enum reload_type when_needed;
- unsigned int optional:1;
- unsigned int nocombine:1;
- unsigned int secondary_p:1;
- unsigned int nongroup:1;
-};
-
-struct insn_chain
-{
- rtx insn;
-};
-
-extern int n_reloads;
-static short reload_order[(2 * 10 * (2 + 1))];
-int reload_spill_index[(2 * 10 * (2 + 1))];
-extern struct reload rld[(2 * 10 * (2 + 1))];
-static rtx *reg_last_reload_reg;
-static HARD_REG_SET reg_reloaded_valid;
-static HARD_REG_SET reg_reloaded_dead;
-static HARD_REG_SET reg_reloaded_died;
-static HARD_REG_SET reg_is_output_reload;
-extern const unsigned int mode_size[];
-extern int target_flags;
-
-static void
-emit_reload_insns (chain)
- struct insn_chain *chain;
-{
- rtx insn = chain->insn;
- register int j;
- rtx following_insn = (((insn)->fld[2]).rtx);
- rtx before_insn = (((insn)->fld[1]).rtx);
-
- for (j = 0; j < n_reloads; j++)
- {
- register int r = reload_order[j];
- register int i = reload_spill_index[r];
-
- {
- rtx out = (((enum rtx_code) (rld[r].out)->code) == REG ? rld[r].out : rld[r].out_reg);
- register int nregno = (((out)->fld[0]).rtuint);
-
- if (nregno >= 77)
- {
- rtx src_reg, store_insn = (rtx) 0;
-
- reg_last_reload_reg[nregno] = 0;
- if (src_reg && ((enum rtx_code) (src_reg)->code) == REG && (((src_reg)->fld[0]).rtuint) < 77)
- {
- int src_regno = (((src_reg)->fld[0]).rtuint);
- int nr =
- (((src_regno) >= 32
- && (src_regno) <=
- 63) ? (((mode_size[(int) (rld[r].mode)]) + 8 -
- 1) / 8) : (((mode_size[(int) (rld[r].mode)]) +
- (!(target_flags & 0x00000020) ? 4 :
- 8) - 1) / (!(target_flags & 0x00000020) ? 4 : 8)));
- rtx note = 0;
-
- while (nr-- > 0)
- {
- ((reg_reloaded_dead)
- [(src_regno + nr) / ((unsigned) (8 * 8))] &=
- ~(((HARD_REG_ELT_TYPE) (1)) << ((src_regno + nr) % ((unsigned) (8 * 8)))));
- ((reg_reloaded_valid)
- [(src_regno + nr) / ((unsigned) (8 * 8))] |=
- ((HARD_REG_ELT_TYPE) (1)) << ((src_regno + nr) % ((unsigned) (8 * 8))));
- ((reg_is_output_reload)
- [(src_regno + nr) / ((unsigned) (8 * 8))] |=
- ((HARD_REG_ELT_TYPE) (1)) << ((src_regno + nr) % ((unsigned) (8 * 8))));
- if (note)
- ((reg_reloaded_died)
- [(src_regno) / ((unsigned) (8 * 8))] |=
- ((HARD_REG_ELT_TYPE) (1)) << ((src_regno) % ((unsigned) (8 * 8))));
- else
- ((reg_reloaded_died)
- [(src_regno) / ((unsigned) (8 * 8))] &=
- ~(((HARD_REG_ELT_TYPE) (1)) << ((src_regno) % ((unsigned) (8 * 8)))));
- }
- reg_last_reload_reg[nregno] = src_reg;
- }
- }
- else
- {
- int num_regs =
- (((nregno) >= 32
- && (nregno) <=
- 63)
- ? (((mode_size
- [(int) (((enum machine_mode) (rld[r].out)->mode))]) +
- 8 -
- 1) /
- 8)
- : (((mode_size
- [(int) (((enum machine_mode) (rld[r].out)->mode))]) +
- (!(target_flags & 0x00000020) ? 4 : 8) - 1) / (!(target_flags & 0x00000020) ? 4 : 8)));
- while (num_regs-- > 0)
- reg_last_reload_reg[nregno + num_regs] = 0;
- }
- }
- }
-}
projects / msp430-gcc.git / blobdiff