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4412 Commits

Author SHA1 Message Date
Evan Cheng
ffbc93d829 Stop doing that accidental commit. 
llvm-svn: 25474
 2006-01-20 01:14:05 +00:00
Evan Cheng
2b24240110 A few more SH{L|R}D peepholes. 
llvm-svn: 25473
 2006-01-20 01:13:30 +00:00
Evan Cheng
d2c0ccedd3 Didn't mean to commit the last one. 
llvm-svn: 25469
 2006-01-19 23:27:08 +00:00
Evan Cheng
e0f6454c5e Added i16 SH{L|R}D patterns. 
llvm-svn: 25468
 2006-01-19 23:26:24 +00:00
Andrew Lenharth
96520cb68d typo 
llvm-svn: 25464
 2006-01-19 21:10:38 +00:00
Andrew Lenharth
9abecccdcb nasty nasty patterns 
llvm-svn: 25463
 2006-01-19 20:49:37 +00:00
Duraid Madina
069b517767 fix boolean XOR (which fixes up comparisons..) 
llvm-svn: 25462
 2006-01-19 15:18:56 +00:00
Duraid Madina
4b75614c9c BOOM! 
llvm-svn: 25460
 2006-01-19 14:14:11 +00:00
Duraid Madina
08771721f9 click click 
llvm-svn: 25459
 2006-01-19 14:13:11 +00:00
Evan Cheng
680a8e070b Avoid generating a redundant setcc. 
llvm-svn: 25457
 2006-01-19 08:52:46 +00:00
Duraid Madina
1946b2ff30 fix calls that return f32 
llvm-svn: 25455
 2006-01-19 08:31:51 +00:00
Chris Lattner
b15de45374 implement support for f32 arguments past the first 6 words 
llvm-svn: 25450
 2006-01-19 07:22:29 +00:00
Evan Cheng
cfe9d47379 adc and sbb need an incoming flag to ensure it reads the carry flag 
from add / sub.

llvm-svn: 25444
 2006-01-19 06:53:20 +00:00
Chris Lattner
60bc56e930 add a note 
llvm-svn: 25439
 2006-01-19 02:09:38 +00:00
Evan Cheng
be2cf5f948 Two peepholes: 
(or (x >> c) | (y << (32 - c))) ==> (shrd x, y, c)
(or (x << c) | (y >> (32 - c))) ==> (shld x, y, c)

llvm-svn: 25438
 2006-01-19 01:56:29 +00:00
Evan Cheng
ddb170b73e Didn't mean to check that in. 
llvm-svn: 25436
 2006-01-19 01:52:56 +00:00
Evan Cheng
aebece2f7b A obvious typo 
llvm-svn: 25435
 2006-01-19 01:46:14 +00:00
Chris Lattner
23da2dc2ac Don't assert on 'select_cc SETUO' 
llvm-svn: 25423
 2006-01-18 19:42:35 +00:00
Chris Lattner
00a483f966 fix out of date comment 
llvm-svn: 25422
 2006-01-18 19:37:44 +00:00
Chris Lattner
b0d3080ca8 Fix Regression/CodeGen/PowerPC/2006-01-18-InvalidBranchOpcodeAssert.ll 
llvm-svn: 25421
 2006-01-18 19:35:21 +00:00
Jim Laskey
6b25a4e659 Added minimum Dwarf aranges. Cleaned up some section headers. Line number 
support now works in gdb.

llvm-svn: 25417
 2006-01-18 16:54:26 +00:00
Evan Cheng
92c122b26f SRA shift amount must be in i8 
llvm-svn: 25416
 2006-01-18 09:26:46 +00:00
Evan Cheng
4d841aaa98 If a call return type is i1, insert a truncate from X86::AL to i1. 
llvm-svn: 25415
 2006-01-18 08:08:38 +00:00
Evan Cheng
208f5076a0 Fix lowering of calls which return f32 values. 
llvm-svn: 25413
 2006-01-17 21:58:21 +00:00
Jim Laskey
52d9832e70 Add frame work for additional dwarf sections. Comments will improve as code 
is added.

llvm-svn: 25410
 2006-01-17 20:41:40 +00:00
Jim Laskey
0c4202b0ba Adding basic support for Dwarf line number debug information. 
I promise to keep future commits smaller.

llvm-svn: 25396
 2006-01-17 17:31:53 +00:00
Evan Cheng
1e112de44a Zero extending load from i1 to i8. 
llvm-svn: 25391
 2006-01-17 07:02:46 +00:00
Duraid Madina
c667c360e3 oops, this shouldn't have gotten in 
llvm-svn: 25388
 2006-01-17 03:09:48 +00:00
Evan Cheng
759a96e1a3 SSE does not support i64 SINT_TO_FP (FP stack doesn't either, but we custom 
expand it), so ask legalizer to expand i32 UINT_TO_FP.

llvm-svn: 25386
 2006-01-17 02:32:49 +00:00
Duraid Madina
365cb4f82d use proper (82-bit) spills/fills when spilling FP regs, so that 
divides don't get broken. this fixes obsequi, smg2000, and probably
a bunch of other stuff (tm)

llvm-svn: 25385
 2006-01-17 02:04:52 +00:00
Duraid Madina
f9cc57d93b fixing divides 
llvm-svn: 25383
 2006-01-17 01:19:49 +00:00
Evan Cheng
53520a8cee Added a FIXME comment about why FST is currently flagged to fpGETRESULT. 
llvm-svn: 25381
 2006-01-17 00:37:42 +00:00
Evan Cheng
3ce28c990a Bug fixes: fpGETRESULT should produces a flag result and X86ISD::FST should 
read a flag.

llvm-svn: 25378
 2006-01-17 00:19:47 +00:00
Evan Cheng
e678b39014 More typo's 
llvm-svn: 25375
 2006-01-16 23:26:53 +00:00
Evan Cheng
f7c719fe10 Some typo's 
llvm-svn: 25374
 2006-01-16 22:48:46 +00:00
Andrew Lenharth
b2671cf884 fix short immediate loads 
llvm-svn: 25371
 2006-01-16 21:41:39 +00:00
Andrew Lenharth
87cf023175 stack and rpcc 
llvm-svn: 25369
 2006-01-16 21:22:38 +00:00
Evan Cheng
de33ca2831 Fix FP_TO_INT**_IN_MEM lowering. 
llvm-svn: 25368
 2006-01-16 21:21:29 +00:00
Andrew Lenharth
0f185bc2ee Friendly names 
llvm-svn: 25364
 2006-01-16 19:53:25 +00:00
Chris Lattner
88572bb5c4 add notes from my *other* email acct. 
llvm-svn: 25362
 2006-01-16 17:58:54 +00:00
Chris Lattner
62ab456f6b transfer some notes from my email to somewhere useful. 
llvm-svn: 25361
 2006-01-16 17:53:00 +00:00
Duraid Madina
d359468147 fixing divides: FP should now be 100%, and integers are fine too 
unless you try to div/mod 0 by anything, in which case you will
get some cute number, and not 0, which is bad.

llvm-svn: 25358
 2006-01-16 14:33:04 +00:00
Duraid Madina
12da32f440 fix division! again!! pattern isel, prepare to die. 
llvm-svn: 25353
 2006-01-16 06:33:38 +00:00
Chris Lattner
1a1c43d70c Silly Sparc is big endian. If we have to load args out of incoming stack slots 
that are smaller than an int, make sure to adjust the frame pointer to take
this into consideration.

llvm-svn: 25351
 2006-01-16 01:40:00 +00:00
Chris Lattner
f71df454df Make sure that bool,byte and short arguments are the right type when loaded 
from memory.

llvm-svn: 25346
 2006-01-15 22:22:01 +00:00
Chris Lattner
9ab5b7adad Disable a broken optimization 
llvm-svn: 25340
 2006-01-15 19:15:46 +00:00
Evan Cheng
fe83dd85c8 Added patterns for 8-bit multiply 
llvm-svn: 25338
 2006-01-15 10:05:20 +00:00
Duraid Madina
eb89d7a5d1 explain that r12 is the stack pointer reg 
llvm-svn: 25336
 2006-01-15 09:45:23 +00:00
Chris Lattner
a91c75e676 Don't print a label for the first MBB in a function. 
Compile this:

%_2E_str_8 = external global [75 x sbyte]
implementation   ; Functions:
declare int %printf(sbyte*, ...)
void %test()
        %tmp.101 = call int (sbyte*, ...)* %printf( sbyte* getelementptr ([75 x sbyte]* %_2E_str_8, int 0, int 0) )             ; <int> [#uses=0]
        unreachable
}

to this:

main_endif_2E_8:
        save -96, %o6, %o6
        sethi %hi(_2E_str_8), %l0
        add %l0, %lo(_2E_str_8), %o0
        call printf
        nop

instead of this:

main_endif_2E_8:
        save -96, %o6, %o6
        sethi %hi(_2E_str_8), %l0
        or %g0, %lo(_2E_str_8), %l1   ;; extra instruction
        add %l1, %l0, %o0
        call printf
        nop

llvm-svn: 25335
 2006-01-15 09:26:27 +00:00
Chris Lattner
4d2c4cb7a7 Use the default impl of DYNAMIC_STACKALLOC, allowing us to delete some code. 
llvm-svn: 25334
 2006-01-15 09:02:48 +00:00
Chris Lattner
20f25dc8c2 Use the default lowering of ISD::DYNAMIC_STACKALLOC, delete now dead code. 
llvm-svn: 25333
 2006-01-15 09:00:21 +00:00
Chris Lattner
ada619f3b6 Have legalize take care of DYNAMIC_STACKALLOC for us, implement llvm.stacksave/stackrestore. 
llvm-svn: 25332
 2006-01-15 08:55:25 +00:00
Chris Lattner
d8711c673d Implement DYNAMIC_STACKALLOC for V8 
llvm-svn: 25330
 2006-01-15 08:43:57 +00:00
Chris Lattner
241b08f64d reorder passes 
llvm-svn: 25326
 2006-01-15 07:19:53 +00:00
Chris Lattner
be7efab5dc Cleanup IA64ISD, tell the graph drawer what the symbolic names for the enums are. 
llvm-svn: 25324
 2006-01-14 22:27:21 +00:00
Chris Lattner
95882698e5 silence a warning 
llvm-svn: 25322
 2006-01-14 20:11:13 +00:00
Nate Begeman
85b2dc0c4e bswap implementation 
llvm-svn: 25312
 2006-01-14 03:14:10 +00:00
Nate Begeman
10813e4f97 Remove some redundant stuff out of the readme. 
llvm-svn: 25308
 2006-01-14 01:24:22 +00:00
Evan Cheng
d92410b194 A typo. 
llvm-svn: 25307
 2006-01-14 01:18:49 +00:00
Chris Lattner
bf03ecb920 Implement a new InvalidateStructLayoutInfo method and add some comments 
llvm-svn: 25304
 2006-01-14 00:07:34 +00:00
Evan Cheng
4d9bab5789 Add truncstore i1 patterns. 
llvm-svn: 25296
 2006-01-13 21:45:19 +00:00
Chris Lattner
b839f31954 Fix a bug in my last X86 checkin, pointed out by cozmic 
llvm-svn: 25293
 2006-01-13 20:19:44 +00:00
Evan Cheng
a26ed7b9b2 LHS = X86ISD::CMOVcc LHS, RHS means LHS = RHS if cc. So the operands must be 
flipped around.

llvm-svn: 25290
 2006-01-13 19:51:46 +00:00
Andrew Lenharth
e591830a97 make DAG isel the default 
llvm-svn: 25282
 2006-01-13 18:49:47 +00:00
Chris Lattner
344642961e Enable X86 support for savestack/restorestack 
llvm-svn: 25278
 2006-01-13 18:00:54 +00:00
Chris Lattner
c615ed65ac implement stacksave/stackrestore on PPC 
llvm-svn: 25277
 2006-01-13 17:52:03 +00:00
Duraid Madina
e8b42dc96d don't be a doofus - this fixes storing bools 
llvm-svn: 25274
 2006-01-13 10:28:25 +00:00
Chris Lattner
80fed2d66e expand unsupported stacksave/stackrestore nodes 
llvm-svn: 25272
 2006-01-13 02:42:53 +00:00
Chris Lattner
ea59d9a498 new nodes 
llvm-svn: 25271
 2006-01-13 02:40:58 +00:00
Evan Cheng
e43fbe0d93 Minor update. 
llvm-svn: 25263
 2006-01-13 01:20:42 +00:00
Evan Cheng
bed984a1c8 More typo's. I need new eye glasses... 
llvm-svn: 25261
 2006-01-13 01:17:24 +00:00
Evan Cheng
ae2915ac91 Oops. Typo. 
llvm-svn: 25260
 2006-01-13 01:06:49 +00:00
Evan Cheng
3f2ae15472 Fix a SETCC / BRCOND folding bug. 
llvm-svn: 25259
 2006-01-13 01:03:02 +00:00
Evan Cheng
794a7cf6fe Fix sint_to_fp (fild*) support. 
llvm-svn: 25257
 2006-01-12 22:54:21 +00:00
Evan Cheng
169206c67f Specify transformation from GlobalAddress to TargetGlobalAddress and 
ExternalSymbol to TargetExternalSymbol.

llvm-svn: 25253
 2006-01-12 19:36:31 +00:00
Chris Lattner
1f1d6eb6a9 Fix branches on FP compares 
llvm-svn: 25249
 2006-01-12 17:05:32 +00:00
Evan Cheng
978f5581c4 X86ISD::SETCC (e.g. SETEr) produces a flag (so multiple SETCC can be 
linked together).

llvm-svn: 25247
 2006-01-12 08:27:59 +00:00
Evan Cheng
dd45d29b56 * Materialize GlobalAddress and ExternalSym with MOV32ri rather than 
LEA32r.
* Do not lower GlobalAddress to TargetGlobalAddress. Let isel does it.

llvm-svn: 25246
 2006-01-12 07:56:47 +00:00
Chris Lattner
03fcd99728 fix a bug in my previous checkin 
llvm-svn: 25244
 2006-01-12 07:38:04 +00:00
Chris Lattner
07bdb6319b Give V8ISD nodes symbolic names in dumps 
llvm-svn: 25243
 2006-01-12 07:31:15 +00:00
Duraid Madina
f6131d02a9 sabre's (correct) fix means these guys need to be flagged as well (else 
the scheduler will complain)

llvm-svn: 25241
 2006-01-12 03:28:40 +00:00
Chris Lattner
29e1825fd3 ahem :) 
llvm-svn: 25239
 2006-01-12 02:05:36 +00:00
Chris Lattner
452a84e2b6 these cases are autogenerated 
llvm-svn: 25238
 2006-01-12 02:01:45 +00:00
Chris Lattner
861897037b remove dead code 
llvm-svn: 25237
 2006-01-12 01:54:15 +00:00
Chris Lattner
e88b032f85 Goodbye PPC pattern isel. You have served us well, but it is now time for 
you to ride off into the sunset.

llvm-svn: 25236
 2006-01-12 01:46:07 +00:00
Chris Lattner
2514d94ca3 Fix an itanium call lowering bug for duraid 
llvm-svn: 25235
 2006-01-12 01:33:08 +00:00
Chris Lattner
7592fe2d86 invert the sense of this switch and its name 
llvm-svn: 25234
 2006-01-12 01:28:56 +00:00
Nate Begeman
2b45fdffcb Missed a spot. 
llvm-svn: 25233
 2006-01-11 23:20:28 +00:00
Evan Cheng
5841005bdf Added ROTL and ROTR. 
llvm-svn: 25232
 2006-01-11 23:20:05 +00:00
Chris Lattner
c8527856c1 Fix an off-by-one error that Nate's eagle eyes caught 
llvm-svn: 25231
 2006-01-11 23:16:29 +00:00
Chris Lattner
5633c9bccf Use the auto-insert BuildMI constructor to avoid an explicit insert. No 
functionality change, just code cleanup.

llvm-svn: 25230
 2006-01-11 23:07:57 +00:00
Chris Lattner
2c8238e494 If a function has a non-zero sized frame, use an add to adjust the stack 
pointer in the epilog, not a load.

llvm-svn: 25229
 2006-01-11 23:03:54 +00:00
Evan Cheng
66540aa32c Support for MEMCPY and MEMSET. 
llvm-svn: 25226
 2006-01-11 22:15:48 +00:00
Evan Cheng
3c3391632d Select DYNAMIC_STACKALLOC 
llvm-svn: 25225
 2006-01-11 22:15:18 +00:00
Nate Begeman
cff96008ac Add bswap, rotl, and rotr nodes 
Add dag combiner code to recognize rotl, rotr
Add ppc code to match rotl

Targets should add rotl/rotr patterns if they have them

llvm-svn: 25222
 2006-01-11 21:21:00 +00:00
Chris Lattner
5a59c88c17 Fix calls that need to store values in stack slots, to not copy the stack 
pointer.  This allows us to emit stuff like this:

        li r10, 0
        stw r10, 56(r1)
        or r3, r10, r10
        or r4, r10, r10
        or r5, r10, r10
        or r6, r10, r10
        or r7, r10, r10
        or r8, r10, r10
        or r9, r10, r10
        bl L_bar$stub

instead of this:

        or r2, r1, r1     ;; Extraneous copy.
        li r10, 0
        stw r10, 56(r2)
        or r3, r10, r10
        or r4, r10, r10
        or r5, r10, r10
        or r6, r10, r10
        or r7, r10, r10
        or r8, r10, r10
        or r9, r10, r10
        bl L_bar$stub

wowness.

llvm-svn: 25221
 2006-01-11 19:55:07 +00:00
Chris Lattner
f9e32005dd tblgen does this now 
llvm-svn: 25220
 2006-01-11 19:53:22 +00:00
Chris Lattner
8dd97ae338 This is no longer needed 
llvm-svn: 25219
 2006-01-11 19:52:46 +00:00
Chris Lattner
6b8fb2e9bc Dead FP arguments still use an incoming FP reg. This fixes 
Regression/CodeGen/PowerPC/2006-01-11-darwin-fp-argument.ll, which was
distilled from a miscompilation in 252.eon.

llvm-svn: 25217
 2006-01-11 18:21:25 +00:00
Chris Lattner
1ffbbc9ebc Use Evan's outflag stuff to implement V8cmpicc. This allows us to write a 
pattern for SUBCCrr, and makes it trivial to add support for SUBCCri, eliminating
an instruction in the common "setcc X, imm" case.

llvm-svn: 25212
 2006-01-11 07:49:38 +00:00