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621 Commits

Author SHA1 Message Date
David Goodwin dbf11ba800 Rename ARMcmpNZ to ARMcmpZ and use it to represent comparisons that set only the Z flag (i.e. eq and ne). Make ARMcmpZ commutative. 
llvm-svn: 74423
 2009-06-29 15:33:01 +00:00
Evan Cheng b23b50d54d Implement Thumb2 ldr. 
After much back and forth, I decided to deviate from ARM design and split LDR into 4 instructions (r + imm12, r + imm8, r + r << imm12, constantpool). The advantage of this is 1) it follows the latest ARM technical manual, and 2) makes it easier to reduce the width of the instruction later. The down side is this creates more inconsistency between the two sub-targets. We should split ARM LDR instruction in a similar fashion later. I've added a README entry for this.

llvm-svn: 74420
 2009-06-29 07:51:04 +00:00
David Goodwin 5285817490 When possible, use "mvn ra, rb" instead of "eor ra, rb, -1" because mvn has a narrow version and eor(i) does not. 
llvm-svn: 74355
 2009-06-26 23:13:13 +00:00
David Goodwin 3aaa751712 Thumb-2 tests 
llvm-svn: 74345
 2009-06-26 22:37:07 +00:00
David Goodwin aa294c5593 Thumb-2 has CLZ. 
llvm-svn: 74322
 2009-06-26 20:47:43 +00:00
David Goodwin 35ee722d42 Use "adcs/sbcs" only when the carry-out is live, otherwise use "adc/sbc". 
llvm-svn: 74321
 2009-06-26 20:45:56 +00:00
Daniel Dunbar a720af1370 More spelling Count as count. 
llvm-svn: 74306
 2009-06-26 18:35:07 +00:00
Daniel Dunbar 6b1678d5d8 Spell Count as count. 
llvm-svn: 74298
 2009-06-26 18:21:54 +00:00
David Goodwin 3bd42afebe Add Thumb-2 tests. 
llvm-svn: 74295
 2009-06-26 18:10:30 +00:00
David Goodwin 5960e6d974 ADC used to implement adde should use "adcs" opcode instead of "adc". 
llvm-svn: 74293
 2009-06-26 18:07:25 +00:00
David Goodwin 34f7ede9e7 ORN and BIC tests. 
llvm-svn: 74289
 2009-06-26 16:20:06 +00:00
David Goodwin 0377f737ff Currently there is a pattern for the thumb-2 MOV 16-bit immediate instruction. That instruction cannot write the flags so it should use T2I instead of T2sI. 
Also, added a pattern for the thumb-2 MOV of shifted immediate since that can encode immediates not encodable by the 16-bit immediate.

llvm-svn: 74288
 2009-06-26 16:10:07 +00:00
Evan Cheng 7779156b39 Fix tests: Count -> count. 
llvm-svn: 74282
 2009-06-26 07:05:57 +00:00
Evan Cheng 34c8c7414f Fix a CodeGenDAGPatterns bug. Check if top level predicates match when it's looking for duplicates. 
llvm-svn: 74276
 2009-06-26 05:59:16 +00:00
Daniel Dunbar 07025e2c02 Fix spelling of 'count' 
llvm-svn: 74249
 2009-06-26 01:33:02 +00:00
Evan Cheng 97727a61f9 Select ADC, SBC, and RSC instead of the ADCS, SBCS, and RSCS when the carry bit def is not used. 
llvm-svn: 74228
 2009-06-25 23:34:10 +00:00
David Goodwin 16f357cccf Use MVN for ~t2_so_imm immediates. 
llvm-svn: 74223
 2009-06-25 23:11:21 +00:00
Evan Cheng c7ea8df67e ISD::ADDE / ISD::SUBE updates the carry bit so they should isle to ADCS and SBCS / RSCS. 
llvm-svn: 74200
 2009-06-25 20:59:23 +00:00
Evan Cheng 83f979a48b Add Thumb2 pc relative add. 
llvm-svn: 74141
 2009-06-24 23:47:58 +00:00
Evan Cheng ff1a4a7271 We should run these tests as well. 
llvm-svn: 74121
 2009-06-24 21:36:26 +00:00
Evan Cheng d76d0aa68a Move thumb and thumb2 tests into separate directories. 
llvm-svn: 74068
 2009-06-24 06:36:07 +00:00