Commits · 7963ac373a00ea0f077cb26898a2896bfa389c17 · lvzhengyang / riscv-gcc-1

15 Mar, 1993 1 commit

(shiftadd_cost): New vector for cost of (N * a + b) instructions.
(shiftsub_cost): New vector for cost of (N * a - b) instructions.
(lea_cost): Removed.
(init_expmed): Initialize new vectors.  Use ASHIFT, not LSHIFT.
Remove code initializing lea_cost.
(enum alg_code): New definition.
(synth_mult): Rewrite for better algorithms and faster operation.
(expand_mult): Rewrite code for constant multiplication.

From-SVN: r3735

committed Mar 14, 1993

7963ac37 Browse Files

14 Mar, 1993 6 commits
- (build_objc_method_call, get_class_reference): · f0052887
```
Call assemble_external on anything we are about to generate a call to.
(get_super_receiver): Likewise.
(handle_class_ref): Put constant in readonly-data section, not text.
(build_objc_symtab_template): Correctly build index type for 0-length array.

From-SVN: r3734
```
  Richard Kenner committed Mar 14, 1993
  f0052887 Browse Files
- (simplify_plus_minus): Reject "simplifications" that are too complex · 74637033
```
in form.

From-SVN: r3733
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  Richard Kenner committed Mar 14, 1993
  74637033 Browse Files
- (simplify_plus_minus): Correct sign error in expanding NOT. · 5931019b
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From-SVN: r3732
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  Richard Kenner committed Mar 14, 1993
  5931019b Browse Files
- (choose_reload_regs): Verify reload_out[j != 0 · 8bb44f9a
```
before comparing with relaod_earlyclobber elements.

From-SVN: r3731
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  Richard Stallman committed Mar 14, 1993
  8bb44f9a Browse Files
- (emit_call_1): Restore inhibit_defer_pop before popping args · b1e64e0d
```
so that pops really do get deferred if appropriate.

From-SVN: r3730
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  Richard Stallman committed Mar 14, 1993
  b1e64e0d Browse Files
- (simplify_plus_minus): When seeing if we have reduced the number of operands... · 91a60f37
```
(simplify_plus_minus): When seeing if we have reduced the number of
operands, ensure we count a CONST result as two operands.

From-SVN: r3729
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  Richard Kenner committed Mar 13, 1993
  91a60f37 Browse Files
13 Mar, 1993 4 commits
- Correctly define PUSH_ARGS_REVERSED. · bbc8a071
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From-SVN: r3728
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  Richard Kenner committed Mar 13, 1993
  bbc8a071 Browse Files
- pa.c (eligible_for_epilogue_delay): Insns which access %r2 can not be used to... · 45586a95
```
	* pa.c eligible_for_epilogue_delay): Insns which access
	%r2 can not be used to fill the epilogue's delay slot.

From-SVN: r3727
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  Jeff Law committed Mar 13, 1993
  45586a95 Browse Files
- (emit_swap_insn): If emitting after a cc0 setter, link the cc0 insns. · fabf7750
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From-SVN: r3726
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  James Van Artsdalen committed Mar 13, 1993
  fabf7750 Browse Files
- Add prototypes for static functions. · 4969d05d
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(struct move_by_pieces): Move definition before function forward decls.

From-SVN: r3725
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  Richard Kenner committed Mar 12, 1993
  4969d05d Browse Files
12 Mar, 1993 17 commits
- (USE_C_ALLOCA): Define if not __GNUC__. · 446ac30f
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From-SVN: r3724
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  Richard Stallman committed Mar 12, 1993
  446ac30f Browse Files
- entered into RCS · cd84780b
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From-SVN: r3723
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  Roland McGrath committed Mar 12, 1993
  cd84780b Browse Files
- (variable_size): Better error for div by 0 in size. · 80f9c711
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From-SVN: r3722
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  Richard Stallman committed Mar 12, 1993
  80f9c711 Browse Files
- (emit_push_insn): Handle failure of gen_movstr... · c841050e
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From-SVN: r3721
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  Richard Stallman committed Mar 12, 1993
  c841050e Browse Files
- (PROMOTE_MODE): Fix typo. · dac29d65
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From-SVN: r3720
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  Richard Kenner committed Mar 12, 1993
  dac29d65 Browse Files
- (refers_to_mem_p): Use rtx_equal_p to see if bases are equal. · 7b0d7bd0
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From-SVN: r3719
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  Richard Kenner committed Mar 12, 1993
  7b0d7bd0 Browse Files
- (set_nonvarying_address_components): Fix type mismatch with caller. · 6500fb43
```
(refers_to_mem_p): Call properly in second call.

From-SVN: r3718
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  Richard Kenner committed Mar 12, 1993
  6500fb43 Browse Files
- (jump_optimize): Fix bug in last change. · 48f16828
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From-SVN: r3717
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  Richard Kenner committed Mar 12, 1993
  48f16828 Browse Files
- (truncdfsf2): Rewrite to allow FLOAT_REGS in constraints for better register preferences. · fe4435d9
```
(truncdfsf2): Rewrite to allow FLOAT_REGS in constraints
   for better register preferences.
(movM): If REG_WAS_0, make sure the reg hasn't changed since then.
(cmpM expanders): Don't allow both operands to be MEM.
Use VOIDmode for the COMPARE rtx instead of CCmode.
(cmpM recognizers): Likewise.
Remove constraints for constants from operand 0.
(cmpdf,cmpsf recognizers): When using VOIDmode as mode of the COMPARE rtx,
   require that the mode be exactly VOIDmode.

From-SVN: r3716
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  James Van Artsdalen committed Mar 12, 1993
  fe4435d9 Browse Files
- (get_true_reg): Don't ignore FLOAT_TRUNCATE. · b9342cdf
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(subst_stack_regs_pat): Substitute in FLOAT_TRUNCATE insns.
(compare_for_stack_reg): Reset insn code after swapping operands.

From-SVN: r3715
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  James Van Artsdalen committed Mar 12, 1993
  b9342cdf Browse Files
- (VOIDmode_compare_op): New operand predicate function. · ac2afb64
```
From-SVN: r3714
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  James Van Artsdalen committed Mar 12, 1993
  ac2afb64 Browse Files
- (FLOAT_CLASS_P): New macro. · 4cbb525c
```
(REGISTER_MOVE_COST): Use it instead of comparing to FLOAT_REGS.
(PREFERRED_RELOAD_CLASS): Likewise.
(SECONDARY_MEMORY_NEEDED): Likewise.
(CLASS_MAX_NREGS): Likewise.
(SELECT_CC_MODE): Use VOIDmode for non-FP-equality comparisons.

From-SVN: r3713
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  James Van Artsdalen committed Mar 12, 1993
  4cbb525c Browse Files
- (movM): If REG_WAS_0, make sure the reg hasn't changed since then. · dc577ada
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From-SVN: r3712
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  James Van Artsdalen committed Mar 12, 1993
  dc577ada Browse Files
- * (RETURN_IN_MEMORY): Handle BLKmode values. · 9516a9af
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From-SVN: r3711
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  Doug Evans committed Mar 12, 1993
  9516a9af Browse Files
- (RTX_COST, case MULT): Handle s8addx and s4addx. · b49e978e
```
(RTX_COST, case MULT): Correctly assign cost to multiplies by a power of two.
(RTX_COST, case ASHIFT, ASHIFTRT, LSHIFTRT, IF_THEN_ELSE): New cases.

From-SVN: r3710
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  Richard Kenner committed Mar 11, 1993
  b49e978e Browse Files
- * (RETURN_IN_MEMORY): Handle BLKmode values. · e14fa9c4
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From-SVN: r3709
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  Doug Evans committed Mar 12, 1993
  e14fa9c4 Browse Files
- (CHEAP_REG): New macro; makes virtual regs cheap too. · ac07e066
```
(COST): Use CHEAP_REG.
(rtx_cost, case REG): Use CHEAP_REG to return zero for some REGs.

From-SVN: r3708
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  Richard Kenner committed Mar 11, 1993
  ac07e066 Browse Files
11 Mar, 1993 9 commits
- * (aggregate_value_p): RETURN_IN_MEMORY handles BLKmode values. · 9f67be13
```
From-SVN: r3707
```
  Doug Evans committed Mar 11, 1993
  9f67be13 Browse Files
- pa.md (FP sCC insn): Delete. · 23c6329e
```
	* pa.md (FP sCC insn): Delete.
	(sCC define_expands): FAIL instead of generating FP sCC insns.

From-SVN: r3706
```
  Jeff Law committed Mar 11, 1993
  23c6329e Browse Files
- * pa.c (gen_scond_fp): Delete. · 6bf6db50
```
From-SVN: r3705
```
  Jeff Law committed Mar 11, 1993
  6bf6db50 Browse Files
- * pa.h (toplevel): Delete declaration of gen_scond_fp. · 61cd2f1f
```
From-SVN: r3704
```
  Jeff Law committed Mar 11, 1993
  61cd2f1f Browse Files
- cse.c (set_nonvarying_address_components): New function. · f451db89
```
	* cse.c (set_nonvarying_address_components): New function.
	(invalidate): Use set_nonvarying_address_components instead of
	computing them.
	(refers_to_mem_p): Likewise.  Simplify checks for conflicting
	memory accesses.  Make static.

From-SVN: r3703
```
  Jeff Law committed Mar 11, 1993
  f451db89 Browse Files
- * loop.c (addr_overlap_p): Delete. · 6f9c49e0
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From-SVN: r3702
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  Jeff Law committed Mar 11, 1993
  6f9c49e0 Browse Files
- (define_label): Use current line number in error msg. · db2e669b
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From-SVN: r3701
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  Richard Stallman committed Mar 11, 1993
  db2e669b Browse Files
- (const_binop): When evaluating a shift, ignore · 88ece8db
```
overflows generated by force_fit_type.

From-SVN: r3700
```
  Richard Stallman committed Mar 11, 1993
  88ece8db Browse Files
- Delete ${LIB}/DONE just before exit. · db27aeec
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From-SVN: r3699
```
  Richard Stallman committed Mar 11, 1993
  db27aeec Browse Files
10 Mar, 1993 3 commits
- Fix typo in last revision (/2 --> >> 1) · ea9f550a
```
From-SVN: r3698
```
  Jeff Law committed Mar 10, 1993
  ea9f550a Browse Files
- * pa.c (reg_or_cint_move_operand): Use cint_ok_for_move. · 6d22d9a6
```
From-SVN: r3697
```
  Jeff Law committed Mar 10, 1993
  6d22d9a6 Browse Files
- pa.c (cint_ok_for_move): New function. · 6746a52e
```
	* pa.c (cint_ok_for_move): New function.  Returns 1 iff the given
	CONST_INT can be loaded into a register in a single instruction.
	(move_operand): Use cink_ok_for_move.

From-SVN: r3696
```
  Jeff Law committed Mar 10, 1993
  6746a52e Browse Files