MatCat.OpenSource/8sa1-gcc
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165 Commits

Author SHA1 Message Date
Richard Kenner
f353588ada (insert): Don't put a REG into qty_const. 
From-SVN: r10607
 1995-11-26 14:47:28 -05:00
Richard Kenner
85e4d983f3 (invalidate): For a pseudo register, do a loop to invalidate all table 
entries, irrespective of mode.

From-SVN: r10556
 1995-11-05 11:02:07 -05:00
Richard Kenner
890465354d (set_nonvarying_address_components, case AND): Add *pend to end. 
(set_nonvarying_address_components, case AND): Add *pend to end.  Add
constant to start instead of subtracting it.

From-SVN: r10426
 1995-10-03 12:25:50 -04:00
Richard Kenner
a5dfb4eee2 (recorded_label_ref): New variable. 
(insert): Set instead of cse_jumps_altered.
(cse_main): Initialize it and return 1 if nonzero at end.

From-SVN: r10368
 1995-09-16 08:38:04 -04:00
Richard Kenner
970c9acebf (insert): Set cse_jumps_altered when inserting a LABEL_REF. 
From-SVN: r10366
 1995-09-15 18:24:09 -04:00
Richard Kenner
969c851727 (canon_hash, CONST_DOUBLE): Hash integer and real differently. 
From-SVN: r10303
 1995-08-31 19:03:23 -04:00
Richard Kenner
abc95ed36d Fix spelling errors. 
From-SVN: r10289
 1995-08-28 06:54:22 -04:00
Richard Kenner
9c6b0bae3c (set_nonvarying_address_components): Handle addresses which are the sum of two constant pseudo regs. 
(set_nonvarying_address_components): Handle addresses which are the sum of
two constant pseudo regs.
(cse_rtx_addr_varies_p): Likewise.

From-SVN: r10220
 1995-08-13 18:45:42 -04:00
Richard Kenner
98369a0f8a (cse_insn): When do special handling for (set REG0 REG1), must delete 
REG_EQUAL note from insn if it mentions REG0.

From-SVN: r10169
 1995-07-26 09:31:00 -04:00
Richard Kenner
e6a125a009 (cse_insn): Ifdef out code that pre-truncates src_folded. 
From-SVN: r10127
 1995-07-14 08:15:00 -04:00
Richard Kenner
940d9d638b Update FSF address. 
From-SVN: r9959
 1995-06-15 07:33:25 -04:00
Richard Kenner
146135d6db (cse_basic_block): Fix test for whether block ends with a barrier. 
Return next insn, not 0, if block ends in a barrier.

From-SVN: r9916
 1995-06-09 18:05:54 -04:00
Richard Kenner
940fd0b54c (simplify_unary_operation, case FLOAT, UNSIGNED_FLOAT): Truncate to 
requested mode.

From-SVN: r9872
 1995-06-05 07:31:38 -04:00
Richard Kenner
9faa82d8c0 Fix typos in comments. 
From-SVN: r9712
 1995-05-16 08:39:54 -04:00
Richard Kenner
c256df0bf7 (cse_insn): Properly set IN_MEMORY for SET_DEST. 
From-SVN: r9547
 1995-04-30 07:19:15 -04:00
Richard Kenner
cceb347c21 (simplify_unary_operation): #ifdef POINTERS_EXTEND_UNSIGNED, handle 
sign- or zero-extending addresses.

From-SVN: r9333
 1995-04-07 16:04:38 -04:00
Torbjorn Granlund
ad89d6f68a (simplify_unary_operation): Sign-extend constants when they have the most significant bit set for the target. 
(simplify_unary_operation): Sign-extend constants when
they have the most significant bit set for the target.
(simplify_binary_operation): Likewise.

From-SVN: r9309
 1995-04-03 23:19:02 +00:00
Jim Wilson
c27b5c621a (simplify_relational_operation): Don't simplify A-B for 
compare of A and B when the compare is unsigned.

From-SVN: r9296
 1995-04-02 14:34:42 -07:00
Richard Kenner
783e5bca05 (cse_insn): When emitting a BARRIER, don't put it after a deleted 
insn.

From-SVN: r9283
 1995-04-01 09:36:47 -05:00
Richard Kenner
a9c6464d87 (simplify_unary_operation): If operand mode is VOIDmode for 
UNSIGNED_FLOAT and operand looks negative, can't simplify.

From-SVN: r9081
 1995-02-25 06:55:11 -05:00
Richard Kenner
3826a3da7f Update comments. 
From-SVN: r8811
 1995-01-25 14:40:53 -05:00
Jim Wilson
4879acf67e (simplify_unary_operation): Cast constant 1 to HOST_WIDE_INT 
before shifting left to form mask.

From-SVN: r8707
 1994-12-29 11:17:28 -08:00
Torbjorn Granlund
29d72c4b69 (simplify_binary_operation): Do (x - (x & y)) -> (x & ~y). 
From-SVN: r8494
 1994-11-17 23:31:20 +00:00
Ian Lance Taylor
f76b9db287 Check target endianness at run time, not compile time 
From-SVN: r8470
 1994-11-16 21:10:09 +00:00
Richard Kenner
d50d63c056 (simplify_unary_operation, case TRUNCATE): Set LV and HV. 
From-SVN: r8375
 1994-11-01 18:39:35 -05:00
Richard Kenner
1a8e9a8e05 (cse_insn): Don't record a DEST a paradoxical SUBREG and SRC is a 
SIGN_EXTEND or ZERO_EXTEND.

From-SVN: r8354
 1994-10-28 18:55:05 -04:00
Jim Wilson
8ae2b8f6f1 (merge_equiv_classes, cse_insn): Call rehash_using_reg after insert_regs. 
(merge_equiv_classes, cse_insn): Call rehash_using_reg
after insert_regs.
(canon_hash): Don't use qty_const to compute hash code for a
register.

From-SVN: r8319
 1994-10-20 13:06:59 -07:00
Richard Kenner
1bbd065b6c (cse_insn): Don't call force_const_mem on (const (truncate)). 
From-SVN: r8231
 1994-10-06 17:38:35 -04:00
Jim Wilson
68c1e17399 Fix prototype for invalidate. 
From-SVN: r8127
 1994-09-23 16:15:54 -07:00
Jim Wilson
bb4034b322 (invalidate): New parameter FULL_MODE. All callers changed. 
(set_nonvarying_address_components): Modify initial comment.
(cse_insn): When call invalidate for dest, use the actual dest not
inner_dest.

From-SVN: r8124
 1994-09-23 12:54:07 -07:00
Richard Kenner
f1636e8ad8 (cse_around_loop): Don't invalidate SUBREG unless it's a SUBREG of a 
REG.

From-SVN: r8085
 1994-09-15 13:21:49 -04:00
Richard Kenner
0e227018ba (invalidate_for_call): Properly set IN_TABLE. 
From-SVN: r8073
 1994-09-10 09:50:27 -04:00
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