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Code Issues Projects Releases Wiki Activity
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49a93a0ec9
Commit Graph

1798 Commits

Author SHA1 Message Date
Chris Lattner
49a93a0ec9 Split the SSE readme items out into their own README. 
llvm-svn: 28400
 2006-05-19 20:51:43 +00:00
Chris Lattner
95b6519d62 Split FP-stack notes out of the main readme. Next up: splitting out SSE. 
llvm-svn: 28399
 2006-05-19 20:45:52 +00:00
Chris Lattner
c29ff5f8b1 Particularly ugly code. 
llvm-svn: 28397
 2006-05-19 19:41:33 +00:00
Evan Cheng
fb2038985a These can be transformed into lea as well. Not that we use this feature 
currently...

llvm-svn: 28393
 2006-05-19 18:43:41 +00:00
Evan Cheng
3a90665f14 - Use exact-width integer types, e.g. int32_t, to avoid confusion. 
- Fix a couple of minor bugs in i16immSExt8 and i16immZExt8.
- Added loadiPTR fragment used for indirect jumps and calls.

llvm-svn: 28392
 2006-05-19 18:40:54 +00:00
Evan Cheng
ff19d6478e Explicitly specify MOV32mi can only be used store 32-bit GV, etc. 
llvm-svn: 28390
 2006-05-19 07:30:36 +00:00
Chris Lattner
c0653d237a add a note 
llvm-svn: 28383
 2006-05-18 17:38:16 +00:00
Evan Cheng
d49a6d7065 ImmMask should be 3 for a two-bit field; Compact X86II 
llvm-svn: 28381
 2006-05-18 06:27:15 +00:00
Evan Cheng
667b133ab9 getCalleeSaveRegs and getCalleeSaveRegClasses are no long TableGen'd. 
llvm-svn: 28378
 2006-05-18 00:12:58 +00:00
Evan Cheng
070813257a Use generic iPTR instead i32 to represent pointer type. 
llvm-svn: 28371
 2006-05-17 21:21:41 +00:00
Evan Cheng
3034b633f6 Another entry 
llvm-svn: 28370
 2006-05-17 21:20:51 +00:00
Evan Cheng
ea24815aa3 Remove PointerType from class Target 
llvm-svn: 28368
 2006-05-17 21:20:27 +00:00
Evan Cheng
d282cb8542 Should pass by reference. 
llvm-svn: 28357
 2006-05-17 19:07:40 +00:00
Evan Cheng
b84a79a336 Another entry 
llvm-svn: 28356
 2006-05-17 19:05:31 +00:00
Chris Lattner
c04371da56 Implement the custom lowering hook right, returning values for all of the 
arguments at once.

llvm-svn: 28327
 2006-05-16 17:14:26 +00:00
Chris Lattner
f501a979ec Fix a bug I introduced yesterday, which broke functions with *no* arguments. 
llvm-svn: 28326
 2006-05-16 17:08:35 +00:00
Evan Cheng
dc9b5f5fc0 X86 integer register classes naming changes. Make them consistent with FP, vector classes. 
llvm-svn: 28324
 2006-05-16 07:21:53 +00:00
Chris Lattner
ba1dfc1da7 Add a chain to FORMAL_ARGUMENTS. This is a minimal port of the X86 backend, 
it doesn't currently use/maintain the chain properly.  Also, make the
X86ISelLowering.cpp file 80-col clean.

llvm-svn: 28320
 2006-05-16 06:45:34 +00:00
Chris Lattner
dbbbabb17b More coverity fixes 
llvm-svn: 28266
 2006-05-12 21:14:20 +00:00
Chris Lattner
db8caed257 Dead variable 
llvm-svn: 28265
 2006-05-12 21:12:22 +00:00
Evan Cheng
871a83d4d0 Remove dead code 
llvm-svn: 28261
 2006-05-12 19:03:56 +00:00
Owen Anderson
29e4d70aed Refactor a bunch of includes so that TargetMachine.h doesn't have to include 
TargetData.h.  This should make recompiles a bit faster with my current
TargetData tinkering.

llvm-svn: 28238
 2006-05-12 06:33:49 +00:00
Evan Cheng
6a08dd641a Add MOV16_rm / MOV32_rm and MOV16_mr / MOV32_mr to isLoadFromStackSlot and isStoreToStackSlot 
llvm-svn: 28223
 2006-05-11 07:33:49 +00:00
Evan Cheng
1f5c530d04 Remove a completed entry. 
llvm-svn: 28199
 2006-05-09 06:54:05 +00:00
Chris Lattner
b7152b0b42 Implement MASM sections correctly, without a "has masm sections flag" and a bunch of special case code. 
llvm-svn: 28194
 2006-05-09 05:33:48 +00:00
Chris Lattner
85032c8c5c MASM doesn't have one of these. 
llvm-svn: 28190
 2006-05-09 05:21:47 +00:00
Chris Lattner
8301da3ffe Preserve prior behavior 
llvm-svn: 28187
 2006-05-09 05:15:24 +00:00
Chris Lattner
0c4a1e56f4 Fix the MASM asmprinter's lies. It does not want to emit code to .text/.data 
it wants it emitted to _text/_data.

llvm-svn: 28185
 2006-05-09 05:12:53 +00:00
Chris Lattner
f45b6d5c08 Split SwitchSection into SwitchTo{Text|Data}Section methods. 
llvm-svn: 28184
 2006-05-09 04:59:56 +00:00
Chris Lattner
5609ba71a5 Another bad case I noticed 
llvm-svn: 28177
 2006-05-08 21:39:45 +00:00
Chris Lattner
4f3345f1f1 add a note 
llvm-svn: 28176
 2006-05-08 21:24:21 +00:00
Evan Cheng
0fb3fc3626 Fixing truncate. Previously we were emitting truncate from r16 to r8 as 
movw. That is we promote the destination operand to r16. So
        %CH = TRUNC_R16_R8 %BP
is emitted as
        movw %bp, %cx.

This is incorrect. If %cl is live, it would be clobbered.
Ideally we want to do the opposite, that is emitted it as
        movb ??, %ch
But this is not possible since %bp does not have a r8 sub-register.

We are now defining a new register class R16_ which is a subclass of R16
containing only those 16-bit registers that have r8 sub-registers (i.e.
AX - DX). We isel the truncate to two instructions, a MOV16to16_ to copy the
value to the R16_ class, followed by a TRUNC_R16_R8.

Due to bug 770, the register colaescer is not going to coalesce between R16 and
R16_. That will be fixed later so we can eliminate the MOV16to16_. Right now, it
can only be eliminated if we are lucky that source and destination registers are
the same.

llvm-svn: 28164
 2006-05-08 08:01:26 +00:00
Evan Cheng
698b0517b5 Typo's 
llvm-svn: 28158
 2006-05-07 10:10:20 +00:00
Jeff Cohen
248e133255 Fix some loose ends in MASM support. 
llvm-svn: 28148
 2006-05-06 21:27:14 +00:00
Chris Lattner
89fa42b51e Teach the X86 backend about non-i32 inline asm register classes. 
llvm-svn: 28139
 2006-05-06 00:29:37 +00:00
Chris Lattner
12bb901c93 Print *some* grouping around inline asm blocks so we know where they are. 
llvm-svn: 28133
 2006-05-05 21:48:50 +00:00
Chris Lattner
a03676690b Teach the code generator to use cvtss2sd as extload f32 -> f64 
llvm-svn: 28131
 2006-05-05 21:35:18 +00:00
Evan Cheng
0e9ec8d566 Need extload patterns after Chris' DAG combiner changes 
llvm-svn: 28127
 2006-05-05 08:23:07 +00:00
Evan Cheng
84612a59c2 Better implementation of truncate. ISel matches it to a pseudo instruction 
that gets emitted as movl (for r32 to i16, i8) or a movw (for r16 to i8). And
if the destination gets allocated a subregister of the source operand, then
the instruction will not be emitted at all.

llvm-svn: 28119
 2006-05-05 05:40:20 +00:00
Chris Lattner
075404adaa Remove and simplify some more machineinstr/machineoperand stuff. 
llvm-svn: 28105
 2006-05-04 18:16:01 +00:00
Chris Lattner
eb41c99161 Rename MO_VirtualRegister -> MO_Register. Clean up immediate handling. 
llvm-svn: 28104
 2006-05-04 18:05:43 +00:00
Chris Lattner
685568510a Move some methods out of MachineInstr into MachineOperand 
llvm-svn: 28102
 2006-05-04 17:52:23 +00:00
Chris Lattner
97f1af2f14 There shalt be only one "immediate" operand type! 
llvm-svn: 28099
 2006-05-04 17:21:20 +00:00
Jeff Cohen
097cc5d00b Make external globals public; other minor cleanup. 
llvm-svn: 28096
 2006-05-04 16:20:22 +00:00
Jeff Cohen
a954c15ea1 Make Intel syntax the default when LLVM is built with VC++. 
llvm-svn: 28095
 2006-05-04 16:19:27 +00:00
Chris Lattner
a39a7f900f Remove a bunch more dead V9 specific stuff 
llvm-svn: 28094
 2006-05-04 01:26:39 +00:00
Chris Lattner
c779fca289 Remove a bunch more SparcV9 specific stuff 
llvm-svn: 28093
 2006-05-04 01:15:02 +00:00
Chris Lattner
ed58ec2a57 Remove some more V9-specific stuff. 
llvm-svn: 28092
 2006-05-04 00:49:59 +00:00
Chris Lattner
0f89e6b11d Remove some more unused stuff from MachineInstr that was leftover from V9. 
llvm-svn: 28091
 2006-05-04 00:44:25 +00:00
Chris Lattner
b14a767a3e Simplify handling of relocations 
llvm-svn: 28090
 2006-05-04 00:42:08 +00:00