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107 Commits

Author SHA1 Message Date
Evan Cheng
5df14b3451 For ldrb, strh, etc., the condition code is before the width specifier. e.g. streqh, not strheq. 
llvm-svn: 37349
 2007-05-29 23:32:06 +00:00
Dale Johannesen
f01566b705 Use AXI3 not AXI2 for appropriate PIC PC-relative loads and stores. Cosmetic. 
llvm-svn: 37271
 2007-05-21 22:42:04 +00:00
Dale Johannesen
8f484d16b0 Add some patterns for PIC PC-relative loads and stores. 
llvm-svn: 37269
 2007-05-21 22:14:33 +00:00
Evan Cheng
e875732104 Mark calls non-predicable for now. Need to ensure it's the last instruction in the if-converted block or make sure it preserve condition code. 
llvm-svn: 37199
 2007-05-18 01:53:54 +00:00
Evan Cheng
d3f1a259db Make ARM::B isPredicable; Make Bcc and MOVCC condition option a normal operand so they are not predicable. 
llvm-svn: 37118
 2007-05-16 20:50:01 +00:00
Evan Cheng
6943cefdcd Conditional branch is not a barrier. 
llvm-svn: 37103
 2007-05-16 07:45:54 +00:00
Evan Cheng
9f0ffdf4b3 Add PredicateOperand to all ARM instructions that have the condition field. 
llvm-svn: 37066
 2007-05-15 01:29:07 +00:00
Evan Cheng
73abcaa525 Switch BCC, MOVCCr, etc. to PredicateOperand. 
llvm-svn: 36948
 2007-05-08 21:08:43 +00:00
Dale Johannesen
0a4acbf6ac change per review 
llvm-svn: 36519
 2007-04-28 00:36:37 +00:00
Dale Johannesen
74feb7979a Prevent Thumb code from generating ARM instructions 
llvm-svn: 36518
 2007-04-27 22:17:18 +00:00
Lauro Ramos Venancio
f385b56870 ARM TLS: implement "general dynamic", "initial exec" and "local exec" models. 
llvm-svn: 36506
 2007-04-27 13:54:47 +00:00
Chris Lattner
87296c2580 dag combiner just got better at pruning bits. This fixes CodeGen/ARM/rev.ll 
llvm-svn: 36222
 2007-04-17 22:39:58 +00:00
Lauro Ramos Venancio
7e21418680 - Divides the comparisons in two types: comparisons that only use N and Z 
flags (ARMISD::CMPNZ) and comparisons that use all flags (ARMISD::CMP).
- Defines the instructions: TST, TEQ (ARM) and TST (Thumb).

llvm-svn: 35573
 2007-04-02 01:30:03 +00:00
Lauro Ramos Venancio
8b2e32de5a bugfix: sometimes the spiller puts a load between the "mov lr, pc" and "bx" of a CALL_NOLINK. 
llvm-svn: 35381
 2007-03-27 16:19:21 +00:00
Lauro Ramos Venancio
11d7d3fcaf bugfix: When the source register of CALL_NOLINK was LR, the following code was emitted: 
mov lr, pc
    bx lr
So, the function was not called.

llvm-svn: 35218
 2007-03-20 17:57:23 +00:00
Evan Cheng
4fec9d7228 Make two piece constant generation as a single instruction. It's re-materialized as a load from constantpool. 
llvm-svn: 35207
 2007-03-20 08:11:30 +00:00
Evan Cheng
8d374caead Fix naming inconsistencies. 
llvm-svn: 35163
 2007-03-19 07:48:02 +00:00
Evan Cheng
7cbf4c4582 Special LDR instructions to load from non-pc-relative constantpools. These are 
rematerializable. Only used for constant generation for now.

llvm-svn: 35162
 2007-03-19 07:20:03 +00:00
Evan Cheng
389cf8e719 Constant generation instructions are re-materializable. 
llvm-svn: 35161
 2007-03-19 07:09:02 +00:00
Evan Cheng
bf4ca3b491 ARM callseq_end should have a input flag operand so it would be scheduled right after the call. 
llvm-svn: 33832
 2007-02-03 09:11:58 +00:00
Evan Cheng
0f07707270 - Fix codegen for pc relative constant (e.g. JT) in thumb mode: 
.set PCRELV0, (LJTI1_0_0-(LPCRELL0+4))
LPCRELL0:
        add r1, pc, #PCRELV0
This is not legal since add r1, pc, #c requires the constant be a multiple of 4.
Do the following instead:
        .set PCRELV0, (LJTI1_0_0-(LPCRELL0+4))
LPCRELL0:
        mov r1, #PCRELV0
        add r1, pc

- In thumb mode, it's not possible to use .set generate a pc relative stub
  address. The stub is ARM code which is in a different section from the thumb
  code. Load the value from a constpool instead.
- Some asm printing clean up.

llvm-svn: 33664
 2007-01-30 20:37:08 +00:00
Jim Laskey
23ed7d2625 Make LABEL a builtin opcode. 
llvm-svn: 33537
 2007-01-26 14:34:52 +00:00
Evan Cheng
5d0be572b5 Code clean up. Use def : pat instead of defining new instructions. 
llvm-svn: 33368
 2007-01-19 20:27:35 +00:00
Evan Cheng
c6e1d453d3 ARM backend contribution from Apple. 
llvm-svn: 33353
 2007-01-19 07:51:42 +00:00
Rafael Espindola
d1baea3471 implement missing compares 
patch by Lauro
bug fixed by me

llvm-svn: 32795
 2006-12-31 18:52:39 +00:00
Lauro Ramos Venancio
7bfe536783 Implement SELECT_CC (f32/f64) for ARM. 
llvm-svn: 32762
 2006-12-28 13:11:14 +00:00
Rafael Espindola
da5b9584ce remove duplicated line 
bug noticed by Lauro

llvm-svn: 32761
 2006-12-28 12:51:40 +00:00
Lauro Ramos Venancio
2cde823f98 This patch defines extloadi1 and fixes an internal compiler error on 
arm.

llvm-svn: 32760
 2006-12-26 19:30:42 +00:00
Rafael Espindola
7c4245c4e3 more general matching of the MVN instruction 
llvm-svn: 32484
 2006-12-12 17:10:13 +00:00
Rafael Espindola
d29cb12dfc use MVN to handle small negative constants 
llvm-svn: 32459
 2006-12-12 01:03:11 +00:00
Rafael Espindola
b8163fd828 add mvn 
llvm-svn: 32454
 2006-12-12 00:37:38 +00:00
Rafael Espindola
514fcabb29 fix truncstorei1 
llvm-svn: 32364
 2006-12-08 18:41:21 +00:00
Rafael Espindola
5daebfdae0 implement load effective address similar to the alpha backend 
remove lea_addri and the now unused memri addressing mode

llvm-svn: 31592
 2006-11-09 13:58:55 +00:00
Rafael Espindola
f7b898d497 initial implementation of addressing mode 2 
TODO: fix lea_addri

llvm-svn: 31552
 2006-11-08 17:07:32 +00:00
Chris Lattner
7c265ad682 remove dead/redundant vars 
llvm-svn: 31435
 2006-11-03 23:48:56 +00:00
Rafael Espindola
a52f709418 implement zextload bool and truncstore bool 
llvm-svn: 31348
 2006-11-01 14:13:27 +00:00
Chris Lattner
71dc932fcb implement uncond branch insertion, mark branches with isBranch. 
llvm-svn: 31160
 2006-10-24 16:47:57 +00:00
Rafael Espindola
70f01d5cc0 implement STRB and STRH 
llvm-svn: 31138
 2006-10-23 20:34:27 +00:00
Rafael Espindola
c08546401b use Pat to implement extloadi8 and extloadi16 
llvm-svn: 31052
 2006-10-19 17:05:03 +00:00
Rafael Espindola
35e92188e0 implement undef 
llvm-svn: 31049
 2006-10-19 13:45:00 +00:00
Rafael Espindola
722266845b implement extloadi8 and extloadi16 
llvm-svn: 31047
 2006-10-19 12:45:04 +00:00
Rafael Espindola
1220d18e11 add blx 
llvm-svn: 31037
 2006-10-18 16:21:43 +00:00
Rafael Espindola
73e8f41749 add isTerminatortto b and bcond 
llvm-svn: 31036
 2006-10-18 16:20:57 +00:00
Rafael Espindola
4e8824608e add the FPUnaryOp and DFPUnaryOp classes 
llvm-svn: 31013
 2006-10-17 20:45:22 +00:00
Rafael Espindola
fe0a9a6fe2 add FABSS and FABSD 
llvm-svn: 31012
 2006-10-17 20:33:13 +00:00
Rafael Espindola
64f93033bc remove extra [] in stores 
llvm-svn: 31008
 2006-10-17 18:29:14 +00:00
Rafael Espindola
47970f96ac initial implementation of addressing mode 5 
llvm-svn: 31002
 2006-10-17 18:04:53 +00:00
Rafael Espindola
31f59f5b94 add FSTD and FSTS 
llvm-svn: 30996
 2006-10-17 13:36:07 +00:00
Rafael Espindola
01400015fc add FCPYS and FCPYD 
llvm-svn: 30995
 2006-10-17 13:13:23 +00:00
Rafael Espindola
a156538e34 add fdivs e fdivd 
llvm-svn: 30988
 2006-10-16 21:50:04 +00:00