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233 Commits

Author SHA1 Message Date
Richard Kenner
af3869c1cc (record_jump_cond): Don't do anything if OP0 and OP1 are already 
equivalent.

From-SVN: r7984
 1994-08-25 19:21:18 -04:00
Richard Kenner
e650cbda8f (fold_rtx): When folding tablejump, allow LABEL_REF to be in arg0; 
also allow other arg to be MINUS, not just be equivalent to it.

From-SVN: r7939
 1994-08-17 18:03:37 -04:00
Richard Kenner
336d6f0a7e (set_nonvarying_address_components): If BASE is CONST_INT, add value to start and set BASE to const0_rtx. 
(set_nonvarying_address_components): If BASE is CONST_INT, add value to start
and set BASE to const0_rtx.
(refers_to_mem_p): Don't do it here.

From-SVN: r7911
 1994-08-12 19:05:07 -04:00
Richard Kenner
8e0ac43b33 (simplify_unary_operation): Clean up some mode and size checks with 
CONST_DOUBLEs; TRUNCATE should do nothing.

From-SVN: r7853
 1994-08-02 19:06:41 -04:00
Richard Kenner
67a3773731 (fold_rtx, case MEM): Surround TRUNCATE for jump table entry with a CONST. 
(fold_rtx, case '1'): Handle operand 0 of a CONST.
(fold_rtx, case PLUS): Handle (const (minus (label_ref) (label_ref))).

From-SVN: r7832
 1994-07-30 12:58:42 -04:00
Richard Kenner
f54d49248d (canon_hash, exp_equiv_p): Refer to string in SYMBOL_REF with XSTR, 
not XEXP.

From-SVN: r7650
 1994-07-04 11:14:54 -04:00
Richard Kenner
138cec5908 (simplify_unary_operation, case UNSIGNED_FLOAT): Add missing cast to 
unsigned.

From-SVN: r7547
 1994-06-23 19:05:47 -04:00
Richard Earnshaw
b5a09c4171 (simplify_binary_operation, case MINUS): Check mode of op0, 
instead of op1, before calling plus_constant.

From-SVN: r7510
 1994-06-17 14:51:43 +00:00
Richard Kenner
c85663b1a8 (set_nonvarying_address_components): Rework and also handle an AND 
used for non-aligned accesses.

From-SVN: r7503
 1994-06-16 06:47:10 -04:00
Richard Kenner
7ac4a26649 (simplify_unary_operation): Fix typo in last change. 
From-SVN: r7495
 1994-06-15 19:20:18 -04:00
Richard Kenner
4c9a05bc55 Cast pointer operands to bzero, bcopy, and bcmp to (char *). 
From-SVN: r7472
 1994-06-14 18:19:28 -04:00
Richard Kenner
62c0ea12e9 (simplify_unary_operation): Correctly and consistently handle 
CONST_INT cases for FLOAT and UNSIGNED_FLOAT.

From-SVN: r7470
 1994-06-14 17:53:33 -04:00
Richard Kenner
6cdbaec41b (cse_insn): Correctly check for two modes being the same number of 
words.

From-SVN: r7292
 1994-05-13 15:12:01 -04:00
Jim Wilson
7b3ab05e78 (cse_insn): Set src_eqv if the dest is a STRICT_LOW_PART. 
From-SVN: r7278
 1994-05-11 14:44:22 -07:00
Richard Kenner
f1e7c95f89 (cse_insn): Invalidate CLOBBERed registers. 
(count_reg_usage): Count registers in USE rtls on CALL_INSNs.

From-SVN: r7237
 1994-05-06 17:45:07 -04:00
Richard Kenner
560c94a2b9 Use CONST_DOUBLE_FROM_REAL_VALUE macro for immed_real_const_1. 
From-SVN: r7113
 1994-04-21 15:27:24 -04:00
Richard Kenner
45620ed410 No longer handle LSHIFT. 
From-SVN: r7020
 1994-04-10 08:03:37 -04:00
Richard Kenner
92f9aa5176 (cse_insn): Add missing definition of var TEM; clean up shadowed uses. 
From-SVN: r6920
 1994-03-30 16:52:21 -05:00
Richard Kenner
2aef6202ad (cse_insn): Remove decl of unused variable TEM. 
From-SVN: r6877
 1994-03-25 14:00:02 -05:00
Richard Kenner
6ab832bc31 (FIXED_REGNO_P): Treate global regs as fixed. 
(CHEAP_REGNO): Renamed from CHEAP_REG.
(CHEAP_REG): New macro; user var in hard reg is cheap.
(COST): Pass RTL to CHEAP_REG, not regno.
(rtx_cost, case REG): Likewise.

From-SVN: r6836
 1994-03-21 07:36:48 -05:00
Richard Kenner
831522a46e (simplify_binary_operation): Protect real_value_truncate inside 
handler.

From-SVN: r6767
 1994-03-13 08:30:11 -05:00
Richard Kenner
1a7c818bd6 (simplify_relational_operation): Fix typos; use 
ARG_POINTER_REGNUM and FRAME_POINTER_REGNUM in condtionals.

From-SVN: r6730
 1994-03-09 12:07:12 -05:00
Richard Kenner
9ff08f70f3 (count_reg_usage, case SET): If SRC has side-effects, count a usage of 
DEST in it.

From-SVN: r6631
 1994-02-26 16:11:04 -05:00
Torbjorn Granlund
be8fe47095 Conditionalize special treatment of 
PIC_OFFSET_TABLE_REGNUM on PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.

From-SVN: r6539
 1994-02-12 13:48:02 +00:00
Richard Kenner
3c54377553 (canon_hash, case LABEL_REF, SYMBOL_REF): Avoid warning on 64-bit 
machines.

From-SVN: r6487
 1994-02-06 08:40:29 -05:00
Richard Kenner
7bac1be089 (memory_extend_rtx): New variable. 
(cse_main): Initialize it.
(cse_insn): See if we have already loaded a MEM in a wider  mode.

From-SVN: r6484
 1994-02-05 08:05:42 -05:00
Jim Wilson
f6516aeee4 (find_best_addr): Limit number of cse_gen_binary calls to 
20 per iteration.

From-SVN: r6449
 1994-01-31 16:02:12 -08:00
Richard Kenner
2197a88a8c (HASHBITS): Removed. 
(HASH, struct set, canon_hash, safe_hash, remove_from_table):
Generate and use unsigned hash values, to avoid potential trouble
with signed shift/overflow.
Also name variables consistently: "hash", not "hash_code".
(lookup, lookup_for_remove, insert, merge_equiv_classes): Likewise.
(invalidate, rehash_using_reg, invalidate_for_call): Likewise.
(find_best_addr, record_jump_cond, cse_insn):  Likewise.

From-SVN: r6431
 1994-01-25 08:29:50 -05:00
Richard Kenner
28bad1cbc3 (simplify_relational_operation): Don't do anything with CC0 in 
addition to MODE_CC values.

From-SVN: r6376
 1994-01-10 19:31:01 -05:00
Richard Kenner
64812ded25 (simplify_relational_operation): Correct declaration of variables 
holding parts of constants.

From-SVN: r6351
 1994-01-02 08:14:22 -05:00
Richard Kenner
a432f20d05 (simplify_relational_operation): Rewrite and simplify. 
Add case when we can simplify A-B for compare of A and B.

From-SVN: r6344
 1993-12-31 06:47:13 -05:00
Richard Kenner
c407b802da (simplify_binary_operation, case MULT): Don't convert to ASHIFT if 
still generating RTL.

From-SVN: r6340
 1993-12-29 06:51:45 -05:00
Richard Kenner
a83afb65d0 (simplify_binary_operation, fold_rtx): Allow some FP simplications with -ffast-math. 
(simplify_binary_operation, fold_rtx): Allow some FP simplications
with -ffast-math.
(simplify_relational_operation): FP comparisons can be reversed
if -ffast-math is specified.

From-SVN: r6334
 1993-12-27 08:48:17 -05:00
Richard Kenner
79644f0689 (count_reg_usage): Don't count a register used within a SET that sets it. 
(delete_dead_from_cse): Pass new parm to count_reg_usage.

From-SVN: r6327
 1993-12-26 08:30:32 -05:00
Richard Kenner
c2cc077888 (fold_rtx... 
(fold_rtx, case PLUS): If we have (plus A B), A is equivalent to a
negative constant, and the negated constant is in register, convert to
(minus A C) where C is the register containing the negated constant.

From-SVN: r6326
 1993-12-26 07:55:11 -05:00
Richard Kenner
089481a600 (simplify_unary_operations): Check that operations really are 
double-word before doing them.

From-SVN: r6310
 1993-12-25 06:05:04 -05:00
Richard Kenner
3308590619 (simplify_binary_operation): Fix typo in CONST_DOUBLE change. 
From-SVN: r6309
 1993-12-24 21:54:55 -05:00
Richard Kenner
30d69925b6 (simplify_binary_operation, case PLUS, MINUS): 
Simplify such things as (X >> 1) - X.

From-SVN: r6308
 1993-12-24 21:24:39 -05:00
Jeff Law
4433322379 cse.c (cse_insn): Set "cse_jumps_altered" when collapsing a switch statement into an... 
* cse.c (cse_insn): Set "cse_jumps_altered" when collapsing
        a switch statement into an unconditional jump.
        * toplev.c (rest_of_compilation): Rerun jump_optimize
        before the second CSE pass.

From-SVN: r6305
 1993-12-24 12:36:04 -07:00
Richard Kenner
fe87324067 (simplify_binary_operation): Can fold multi-word operations when first is CONST_INT. 
(simplify_binary_operation): Can fold multi-word operations when first is
CONST_INT.
(simplify_binary_operation, case PLUS, MINUS): Don't call plus_constant when
OP0 is VOIDmode.

From-SVN: r6298
 1993-12-24 06:53:52 -05:00
Torbjorn Granlund
4d61f8c559 (simplify_binary_operation, case *SHIFT*): Reduce arg1 as 
defined by SHIFT_COUNT_TRUNCATED.

From-SVN: r6296
 1993-12-24 11:46:16 +00:00
Richard Kenner
a4e262bcec (delete_reg_equiv): Don't reference elements of REG_{NEXT,PREV}_EQV 
that are not defined.

From-SVN: r6276
 1993-12-23 06:57:20 -05:00
Richard Stallman
2708da920e (cse_insn): Call `invalidate' also for STRICT_LOW_PART and ZERO_EXTRACT (three places). 
(cse_insn):  Call `invalidate' also for STRICT_LOW_PART and
ZERO_EXTRACT (three places).
(invalidate_from_clobbers): Likewise (two places).
(cse_around_loop): Likewise.
(invalidate_skipped_set): Likewise.
(cse_set_around_loop): Likewise.

From-SVN: r5993
 1993-11-04 08:30:30 +00:00
Richard Stallman
0af62b41cd (cse_insn): When using src_related, copy the rtx. 
Likewise for src_eqv_here.

From-SVN: r5922
 1993-10-27 23:22:38 +00:00
Richard Stallman
76fb0b6041 (fold_rtx): Alter previous change: don't fold the shift 
if the count exceeds the width of the value inside the subreg.

(note_mem_written): (mem (scratch)) means clobber everything.

(fold_rtx): Special case handling for folding
a subreg of the result of a left shift.

From-SVN: r5854
 1993-10-21 02:43:58 +00:00
Richard Stallman
eb5ad42ab3 (record_jump_cond): At end, make missing equivalences 
first, and then merge them.

From-SVN: r5769
 1993-10-13 04:03:24 +00:00
Richard Kenner
85c0a55631 (simplify_binary_operation): Test value of SHIFT_COUNT_TRUNCATED if it 
is defined.

From-SVN: r5731
 1993-10-11 07:39:02 -04:00
Richard Kenner
2bb81c86de (record_jump_cond): Rehash OP1 if OP0's insert_regs returns nonzero. 
From-SVN: r5631
 1993-10-06 06:56:50 -04:00
Torbjorn Granlund
cdf4112f22 (insert_regs): Always return something. 
(simplify_unary_operation): Remove unused variable.
(cse_process_notes): Likewise.
(invalidate_skipped_block): Likewise.
(cse_set_around_loop): Likewise.

From-SVN: r5555
 1993-10-02 00:27:43 +00:00
Doug Evans
8bc169f258 cse.c: (FIXED_REGNO_P): HARD_FRAME_POINTER_REGNUM is fixed. 
* cse.c: (FIXED_REGNO_P): HARD_FRAME_POINTER_REGNUM is fixed.
(CHEAP_REG): HARD_FRAME_POINTER_REGNUM is cheap.
(FIXED_BASE_PLUS): Allow hard frame pointer as base.
(NONZERO_BASE_PLUS_P): Likewise.
(cannon_hash, case REG): Add HARD_FRAME_POINTER_REGNUM to list of
special registers for SMALL_REGISTER_CLASSES.
(find_best_addr): Addresses containing HARD_FRAME_POINTER_REGNUM
cannot be replaced.
(cse_main): value in HARD_FRAME_POINTER_REGNUM is preserved across calls.

From-SVN: r5451
 1993-09-24 19:38:20 +00:00
Richard Kenner
f3becefd60 (fold_rtx, case MINUS): Copy result obtained from hash table. 
From-SVN: r5347
 1993-09-17 18:13:33 -04:00
Richard Kenner
31c85c78b1 (fold_rtx, case SUBREG): If paradoxical SUBREG of a constant, return 
the constant.

From-SVN: r5346
 1993-09-17 18:10:33 -04:00
Jim Wilson
f7911249bb (cse_insn): After inserting src_eqv... 
(cse_insn): After inserting src_eqv, check to see if it is
identical to any uninserted SET_SRCs, and if so, set their src_elt
to src_eqv_elt.

From-SVN: r5129
 1993-08-10 12:11:27 -07:00
Richard Stallman
9c3b4c8be3 Include stdio.h before rtl.h. 
From-SVN: r4884
 1993-07-09 05:09:25 +00:00
Richard Stallman
9d1bedcf3a (simplify_binary_operation, case MINUS): Fix backwards 
test added in last change.

From-SVN: r4859
 1993-07-06 20:31:01 +00:00
Richard Kenner
cbf6a543dc (simplify_*_operation, fold_rtx, record_jump_cond, cse_insn): Use 
INTEGRAL_MODE_P and FLOAT_MODE_P.

From-SVN: r4780
 1993-06-27 21:20:38 -04:00
Richard Kenner
5f6be9da2e Fix typo in copyright line. 
From-SVN: r4686
 1993-06-17 15:16:45 -04:00
Richard Stallman
ffcf63937c (invalidate_skipped_set): Promote "nonscalar" to "all". 
From-SVN: r4679
 1993-06-14 23:16:31 +00:00
Richard Stallman
5d5ea90929 (record_jump_cond): Look up op1 again after inserting op0. 
From-SVN: r4669
 1993-06-12 23:42:59 +00:00
Richard Stallman
4908e50870 (fold_rtx): Correct check for associating shifts and ending up with a shift count too large... 
(fold_rtx): Correct check for associating shifts and
ending up with a shift count too large; convert to the
largest valid for ASHIFTRT and don't fold all others.

From-SVN: r4585
 1993-05-28 22:40:33 +00:00
Richard Kenner
8e7e536500 (simplify_binary_operation, simplify_relational_operation): Check for 
MODE_CC modes, not just CCmode.

From-SVN: r4352
 1993-05-06 05:44:05 -04:00
Richard Stallman
2e794ee866 (record_jump_cond): Use mode of op0 or op1, not MODE, 
when testing for narrowing or widening subregs.

From-SVN: r4301
 1993-05-02 12:43:15 +00:00
Richard Stallman
709ab4fc49 (simplify_binary_operation): Reject CCmode in A & (~A) -> 0. 
Also fix typos in previous change.

From-SVN: r4295
 1993-05-01 16:55:51 +00:00
Richard Stallman
31dcf83f63 (cse_insn): Reset the INSN_CODE for conditional 
or computed jumps which have been converted into simplejumps.

From-SVN: r4287
 1993-04-30 16:04:40 +00:00
Richard Kenner
dbbe64450e (simplify_binary_operation, case SMAX): Cast to unsiged HOST_WIDE_INT 
instead of unsigned int.

From-SVN: r4259
 1993-04-28 14:56:43 -04:00
Richard Kenner
54b1de5550 (invalidate): Use proper type for in_table. 
From-SVN: r4208
 1993-04-24 11:39:59 -04:00
Richard Kenner
5a3d4befaf (simplify_binary_operation... 
(simplify_binary_operation, case MULT): When testing for
floating-point equality, make sure we do so inside a region protected
from traps.

From-SVN: r3963
 1993-03-31 15:57:24 -05:00
Richard Kenner
1ff0c00d9f (insert_regs): If a REG already is in a class but not in the mode we 
want, don't do anything to the classes.

From-SVN: r3951
 1993-03-31 07:00:31 -05:00
Richard Stallman
d3159aee6e (simplify_binary_operation): real_value_truncate returns REAL_VALUE_TYPE. 
(simplify_binary_operation): real_value_truncate
returns REAL_VALUE_TYPE.
Convert rtx_code into tree_code for argument to REAL_ARITHMETIC.

(simplify_unary_operation): Use new ..._RNDZINT macros
instead of casting value of REAL_VALUE_FIX_TRUNCATE
and REAL_VALUE_UNSIGNED_FIX_TRUNCATE.

From-SVN: r3943
 1993-03-31 05:53:29 +00:00
Richard Kenner
6d44728adf (CHEAP_REG): Add missing parens. 
From-SVN: r3861
 1993-03-23 20:16:17 -05:00
Jim Wilson
7fe34fdfe7 (cse_process_notes): Replace NULL_RTX with just zero. 
From-SVN: r3795
 1993-03-19 18:17:48 -08:00
Richard Kenner
fb5c8ce64a (simplify_plus_minus): Count CONSTs coming in and going out... 
(simplify_plus_minus): Count CONSTs coming in and going out; we have
simplified things if we have more CONSTs going out even if we have the
same number of total terms.

From-SVN: r3787
 1993-03-19 06:29:40 -05:00
Richard Kenner
e7bb59fa6c (FIXED_REGNO_P): Remove previous change; all callers but one already check. 
(CHEAP_REG): Only call FIXED_REGNO_P for hard regs.
(fold_rtx): Clarify comments.

From-SVN: r3762
 1993-03-16 17:41:57 -05:00
James Van Artsdalen
9798977501 (FIXED_REGNO_P): Pseudos can't be fixed regs. 
From-SVN: r3757
 1993-03-16 09:54:12 +00:00
Richard Kenner
b7d9299b30 (simplify_plus_minus): Remove last change. 
(simplify_plus_minus): Remove last change.  Instead, count initial
operands and test against that count to see if we did anything.

From-SVN: r3748
 1993-03-15 17:38:40 -05:00
Richard Kenner
7463703395 (simplify_plus_minus): Reject "simplifications" that are too complex 
in form.

From-SVN: r3733
 1993-03-14 09:37:43 -05:00
Richard Kenner
5931019b79 (simplify_plus_minus): Correct sign error in expanding NOT. 
From-SVN: r3732
 1993-03-14 06:32:20 -05:00
Richard Kenner
91a60f374f (simplify_plus_minus): When seeing if we have reduced the number of operands... 
(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
 1993-03-13 20:45:44 -05:00
Richard Kenner
7b0d7bd0c9 (refers_to_mem_p): Use rtx_equal_p to see if bases are equal. 
From-SVN: r3719
 1993-03-12 17:43:28 -05:00
Richard Kenner
6500fb4361 (set_nonvarying_address_components): Fix type mismatch with caller. 
(refers_to_mem_p): Call properly in second call.

From-SVN: r3718
 1993-03-12 17:39:19 -05:00
Richard Kenner
ac07e0665d (CHEAP_REG): New macro; makes virtual regs cheap too. 
(COST): Use CHEAP_REG.
(rtx_cost, case REG): Use CHEAP_REG to return zero for some REGs.

From-SVN: r3708
 1993-03-11 19:02:37 -05:00
Jeff Law
f451db8990 cse.c (set_nonvarying_address_components): New function. 
* 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
 1993-03-11 05:46:36 -07:00
Richard Kenner
96b0e48171 (cse_gen_binary, simplify_plus_minus): New functions. 
(find_best_addr): Use cse_gen_binary.
(simplify_binary_operation, fold_rtx): Likewise.
Remove most special-cases for PLUS and MINUS and call
simplify_plus_minus instead.
Clean up some tests for FP.

From-SVN: r3680
 1993-03-08 16:57:16 -05:00
Richard Kenner
6cd4575ea1 Add prototypes for static functions. 
(struct cse_basic_block_data): Move to front of file since it constains
struct used in a prototype.
(refers_to_p, find_best_addr): Now static.

From-SVN: r3675
 1993-03-08 07:24:14 -05:00
Richard Kenner
6076248a1e (simplify_binary_operation): Move integer CONST_DOUBLE folding out of REAL_IS_NOT_DOUBLE conditional. 
(simplify_binary_operation): Move integer CONST_DOUBLE folding out of
REAL_IS_NOT_DOUBLE conditional.
(simplify_relational_operation): Put float CONST_DOUBLE folding under a
REAL_IS_NOT_DOUBLE conditional.
Add folding for integer CONST_DOUBLE comparisons.

From-SVN: r3661
 1993-03-05 17:52:35 -05:00
Jim Wilson
2d08d5b656 (note_mem_written): QImode varying structure memory accesses can alias scalars. 
From-SVN: r3654
 1993-03-05 09:45:15 -08:00
Richard Kenner
02b8f30077 (simplify_relation_operation): We can compute the result of a comparison of... 
(simplify_relation_operation): We can compute the result of a
comparison of CONST_INTs no matter what mode the computation is to be
done in.

From-SVN: r3372
 1993-01-27 19:23:36 -05:00
Richard Kenner
721f13b342 (simplify_binary_operation, case SMAX): Correctly compute largest 
possible signed integer.

From-SVN: r3360
 1993-01-26 19:32:45 -05:00
Brendan Kehoe
a3b5c94a75 * cse.c (fold_rtx): Call itself with missing arg INSN as NULL_RTX. 
From-SVN: r3214
 1993-01-12 18:31:09 -05:00
Richard Kenner
164c8956a0 (max_uid): New variable. 
(cse_end_of_basic_block): Use it to ignore insns made by CSE.
(cse_main): Set it.

From-SVN: r2846
 1992-12-08 06:21:29 -05:00
Richard Kenner
7722328eef (cse_insn): Always pass result of canon_reg through validate_change 
before using it in insn.

From-SVN: r2835
 1992-12-04 19:17:47 -05:00
Richard Stallman
aee9dc31f9 (canon_reg): Don't call validate_change if INSN is zero. 
From-SVN: r2511
 1992-10-18 19:56:07 +00:00
Richard Kenner
6702af89af (cse_insn): Add missing call to apply_change_group. 
From-SVN: r2481
 1992-10-15 16:55:08 -04:00
Richard Stallman
2166571b8f (simplify_binary_operation): Insure that folded >> extends 
the sign even if the host bootstrap compiler doesn't.

From-SVN: r2446
 1992-10-14 01:20:21 +00:00
Richard Kenner
b8b88835df (PATHLENGH): Change from 20 to 10 to speed up compilations. 
From-SVN: r2367
 1992-10-08 04:44:02 -04:00
Richard Kenner
f12564b4c0 (simplify_unary_operation, case SIGN_EXTEND): Use HOST_BITS_PER_WIDE_INT, 
not HOST_BITS_PER_INT.

From-SVN: r2219
 1992-09-23 19:26:03 -04:00
Richard Stallman
13c9910fdd (find_comparison_args): New args PMODE1, PMODE2. 
(fold_rtx, record_jump_equiv): Use them to get modes of comparison.
(fold_rtx): Associate MINUS with nested PLUS.

From-SVN: r2197
 1992-09-21 03:51:25 +00:00
Richard Stallman
e8d76a395e (fold_rtx): For SUBREG, actually test subreg_lowpart_p in the code to handle narrowing subregs. 
(fold_rtx): For SUBREG, actually test subreg_lowpart_p in the
code to handle narrowing subregs.  And exclude binary ops like DIV
where truncating the args is not valid.

From-SVN: r2160
 1992-09-19 04:48:37 +00:00
Richard Stallman
21d12b804d (simplify_binary_operation): For DIV by 0, do nothing. 
From-SVN: r2066
 1992-09-07 05:32:35 +00:00
Richard Kenner
b2796a4bdd (find_comparison_args): Look for comparison operations if the second arg is 0 in any mode. 
(find_comparison_args): Look for comparison operations if the second arg is
0 in any mode.
(record_jump_cond): Don't make classes equivalent for floating-point equality
comparison.

From-SVN: r1900
 1992-08-19 18:19:34 -04:00
Richard Kenner
c7c955eebc (fold_rtx): Fix typo in two FLOAT_STORE_FLAG_VALUE tests. 
From-SVN: r1837
 1992-08-14 14:44:54 -04:00
Richard Kenner
f89e32e950 (simplify_unary_operation): Remove "else". 
From-SVN: r1828
 1992-08-14 07:41:11 -04:00
Torbjorn Granlund
858a47b165 Fix spelling errors in comments. 
From-SVN: r1825
 1992-08-14 11:33:04 +00:00
Richard Kenner
c4fd10e7e2 (canon_hash): Use HOST_WIDE_INT instead of int when casting pointers 
to integers.

From-SVN: r1750
 1992-08-02 21:38:38 -04:00
Richard Kenner
58c8c59349 entered into RCS 
From-SVN: r1731
 1992-07-31 08:13:38 -04:00
Richard Kenner
0dadecf681 *** empty log message *** 
From-SVN: r1614
 1992-07-17 05:57:24 -04:00
Richard Stallman
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From-SVN: r1560
 1992-07-11 22:23:31 +00:00
Charles Hannum
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From-SVN: r1477
 1992-07-06 20:21:37 +00:00
Richard Kenner
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From-SVN: r1473
 1992-07-06 16:04:13 -04:00
Richard Stallman
51b003476e *** empty log message *** 
From-SVN: r1455
 1992-07-06 00:23:00 +00:00
Richard Stallman
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From-SVN: r1432
 1992-07-04 19:02:06 +00:00
Richard Kenner
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From-SVN: r1318
 1992-06-28 06:10:54 -04:00
Richard Kenner
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From-SVN: r1313
 1992-06-27 13:49:28 -04:00
Richard Kenner
42495ca044 *** empty log message *** 
From-SVN: r1296
 1992-06-26 07:06:07 -04:00
Richard Stallman
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From-SVN: r1263
 1992-06-24 03:59:40 +00:00
Richard Stallman
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From-SVN: r1232
 1992-06-22 03:40:10 +00:00
Richard Kenner
77fa0940a0 *** empty log message *** 
From-SVN: r1223
 1992-06-20 06:51:46 -04:00
Richard Kenner
c610adec56 *** empty log message *** 
From-SVN: r1219
 1992-06-18 17:39:37 -04:00
Richard Stallman
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From-SVN: r1162
 1992-06-04 22:27:23 +00:00
Richard Stallman
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From-SVN: r1141
 1992-06-02 21:28:08 +00:00
Richard Kenner
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From-SVN: r1120
 1992-05-29 06:44:10 -04:00
Richard Kenner
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From-SVN: r1087
 1992-05-25 21:33:51 -04:00
Richard Kenner
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From-SVN: r1045
 1992-05-22 06:33:37 -04:00
Richard Stallman
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From-SVN: r999
 1992-05-17 07:07:44 +00:00
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 1992-05-09 18:45:46 +00:00
Jim Wilson
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From-SVN: r905
 1992-05-05 10:27:49 -07:00
Richard Kenner
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From-SVN: r823
 1992-04-23 07:17:07 -04:00
Richard Kenner
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From-SVN: r790
 1992-04-18 22:12:25 -04:00
Richard Kenner
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From-SVN: r754
 1992-04-16 22:05:56 -04:00
Richard Kenner
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From-SVN: r688
 1992-04-05 12:34:53 -04:00
Richard Stallman
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From-SVN: r584
 1992-03-24 22:20:30 +00:00
Richard Stallman
d45cf215ee *** empty log message *** 
From-SVN: r472
 1992-03-14 05:07:15 +00:00
Richard Kenner
7afe21cc91 Initial revision 
From-SVN: r360
 1992-02-27 07:50:43 -05:00