diff options
Diffstat (limited to 'gcc/reload1.c')
| -rw-r--r-- | gcc/reload1.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/gcc/reload1.c b/gcc/reload1.c index e5b19e9c..ca25abf 100644 --- a/gcc/reload1.c +++ b/gcc/reload1.c @@ -443,7 +443,7 @@ static rtx inc_for_reload PARAMS ((rtx, rtx, rtx, int)); static void reload_cse_regs_1 PARAMS ((rtx)); static int reload_cse_noop_set_p PARAMS ((rtx)); static int reload_cse_simplify_set PARAMS ((rtx, rtx)); -static int reload_cse_simplify_operands PARAMS ((rtx)); +static int reload_cse_simplify_operands PARAMS ((rtx, rtx)); static void reload_combine PARAMS ((void)); static void reload_combine_note_use PARAMS ((rtx *, rtx)); static void reload_combine_note_store PARAMS ((rtx, rtx, void *)); @@ -457,7 +457,7 @@ static HOST_WIDE_INT sext_for_mode PARAMS ((enum machine_mode, HOST_WIDE_INT)); static void failed_reload PARAMS ((rtx, int)); static int set_reload_reg PARAMS ((int, int)); -static void reload_cse_simplify PARAMS ((rtx)); +static void reload_cse_simplify PARAMS ((rtx, rtx)); void fixup_abnormal_edges PARAMS ((void)); extern void dump_needs PARAMS ((struct insn_chain *)); @@ -7992,8 +7992,9 @@ reload_cse_noop_set_p (set) /* Try to simplify INSN. */ static void -reload_cse_simplify (insn) +reload_cse_simplify (insn, testreg) rtx insn; + rtx testreg; { rtx body = PATTERN (insn); @@ -8021,7 +8022,7 @@ reload_cse_simplify (insn) if (count > 0) apply_change_group (); else - reload_cse_simplify_operands (insn); + reload_cse_simplify_operands (insn, testreg); } else if (GET_CODE (body) == PARALLEL) { @@ -8064,7 +8065,7 @@ reload_cse_simplify (insn) if (count > 0) apply_change_group (); else - reload_cse_simplify_operands (insn); + reload_cse_simplify_operands (insn, testreg); } } @@ -8090,6 +8091,7 @@ reload_cse_regs_1 (first) rtx first; { rtx insn; + rtx testreg = gen_rtx_REG (VOIDmode, -1); cselib_init (); init_alias_analysis (); @@ -8097,7 +8099,7 @@ reload_cse_regs_1 (first) for (insn = first; insn; insn = NEXT_INSN (insn)) { if (INSN_P (insn)) - reload_cse_simplify (insn); + reload_cse_simplify (insn, testreg); cselib_process_insn (insn); } @@ -8268,8 +8270,9 @@ reload_cse_simplify_set (set, insn) hard registers. */ static int -reload_cse_simplify_operands (insn) +reload_cse_simplify_operands (insn, testreg) rtx insn; + rtx testreg; { int i, j; @@ -8289,7 +8292,6 @@ reload_cse_simplify_operands (insn) int *op_alt_regno[MAX_RECOG_OPERANDS]; /* Array of alternatives, sorted in order of decreasing desirability. */ int *alternative_order; - rtx reg = gen_rtx_REG (VOIDmode, -1); extract_insn (insn); @@ -8373,8 +8375,8 @@ reload_cse_simplify_operands (insn) if (! TEST_HARD_REG_BIT (equiv_regs[i], regno)) continue; - REGNO (reg) = regno; - PUT_MODE (reg, mode); + REGNO (testreg) = regno; + PUT_MODE (testreg, mode); /* We found a register equal to this operand. Now look for all alternatives that can accept this register and have not been @@ -8416,10 +8418,10 @@ reload_cse_simplify_operands (insn) alternative yet and the operand being replaced is not a cheap CONST_INT. */ if (op_alt_regno[i][j] == -1 - && reg_fits_class_p (reg, class, 0, mode) + && reg_fits_class_p (testreg, class, 0, mode) && (GET_CODE (recog_data.operand[i]) != CONST_INT || (rtx_cost (recog_data.operand[i], SET) - > rtx_cost (reg, SET)))) + > rtx_cost (testreg, SET)))) { alternative_nregs[j]++; op_alt_regno[i][j] = regno; |