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dc6af72781
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1219 Commits

Author SHA1 Message Date
Chris Lattner
dc6af72781 Add PPC vector bit-convert support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26995 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-23 19:54:27 +00:00
Jim Laskey
f1d78e8335 Add support to locate local variables in frames (early version.) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26994 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-23 18:12:57 +00:00
Jim Laskey
99db0442f0 Change interface to DwarfWriter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26991 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-23 18:09:44 +00:00
Chris Lattner
bc641b9d8b Eliminate IntrinsicLowering from TargetMachine. 
Make the CBE and V9 backends create their own, since they're the only ones that use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26974 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-23 05:43:16 +00:00
Chris Lattner
9d86a9dff2 This has been implemented. Tweak it into another note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26944 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-22 05:33:23 +00:00
Chris Lattner
ecfe55e65b When possible, custom lower 32-bit SINT_TO_FP to this: 
_foo2:
        extsw r2, r3
        std r2, -8(r1)
        lfd f0, -8(r1)
        fcfid f0, f0
        frsp f1, f0
        blr

instead of this:

_foo2:
        lis r2, ha16(LCPI2_0)
        lis r4, 17200
        xoris r3, r3, 32768
        stw r3, -4(r1)
        stw r4, -8(r1)
        lfs f0, lo16(LCPI2_0)(r2)
        lfd f1, -8(r1)
        fsub f0, f1, f0
        frsp f1, f0
        blr

This speeds up Misc/pi from 2.44s->2.09s with LLC and from 3.01->2.18s
with llcbeta (16.7% and 38.1% respectively).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26943 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-22 05:30:33 +00:00
Chris Lattner
e5ba580ab0 Add support for "ri" addressing modes where the immediate is a 14-bit field 
which is shifted left two bits before use.  Instructions like STD use this
addressing mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26942 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-22 05:26:03 +00:00
Chris Lattner
eb8b09f69f Fix the JIT encoding of the VAForm_1 instructions, including vmaddfp 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26935 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-22 01:44:36 +00:00
Chris Lattner
9b3bd467d0 These targets don't support EXTRACT_VECTOR_ELT, though, in time, X86 will. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26930 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-21 20:51:05 +00:00
Chris Lattner
f3ce43210a Don't emit pseudo instructions! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26926 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-21 20:19:37 +00:00
Nate Begeman
c0a8b6df2a Update readme 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26924 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-21 18:58:20 +00:00
Chris Lattner
13feb58aa1 Print absolute memory references like this: 
lwz r2, 8(0)
instead of this:
       lwz r2, 8(r0)

This fixes the llc/llc-beta failures on PPC last night.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26922 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-21 17:21:13 +00:00
Chris Lattner
8151914321 With Evan's latest tblgen patch, this code is obsolete, thanks Evan! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26917 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-21 06:37:40 +00:00
Chris Lattner
8593f9891d When codegen'ing vector MUL using VFMADD, *add* the 0, don't *mul* the 0. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26913 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-21 00:51:38 +00:00
Chris Lattner
ef040dd4a3 minor note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26912 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-21 00:47:09 +00:00
Chris Lattner
d97964457e Handle constant addresses more efficiently, folding the low bits into the 
disp field of the load/store if possible.  This compiles
CodeGen/PowerPC/load-constant-addr.ll to:

_test:
        lis r2, 2838
        lfs f1, 26848(r2)
        blr

instead of:

_test:
        lis r2, 2838
        ori r2, r2, 26848
        lfs f1, 0(r2)
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26908 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 22:38:22 +00:00
Chris Lattner
23baa1b310 remove dead variable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26907 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 22:37:23 +00:00
Chris Lattner
bd83afd3cd Fix a couple of bugs in permute/splat generate, thanks to Nate for actually 
figuring these out! :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26904 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 18:26:51 +00:00
Chris Lattner
e376e00247 reenable this hack, the tblgen version isn't quite ready 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26902 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 17:54:43 +00:00
Chris Lattner
32f57d9e26 Fix the pattern for VADDUWM, add i32 splat 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26901 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 17:51:58 +00:00
Evan Cheng
e63d746ef6 Use tblgen'd VECTOR_SHUFFLE selection code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26900 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 08:14:16 +00:00
Chris Lattner
dd4d2d0e40 Add support for generating vspltw, instead of a vperm instruction with a 
constant pool load.  This generates significantly nicer code for splats.

When tblgen gets bugfixed, we can remove the custom selection code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26898 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 06:51:10 +00:00
Chris Lattner
88a99ef7cc Implement PPC::isSplatShuffleMask and PPC::getVSPLTImmediate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26897 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 06:37:44 +00:00
Chris Lattner
ef819f8fbb fix duplicate definition errors 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26896 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 06:33:01 +00:00
Chris Lattner
3c0f9cc90c Check in some intermediate code that adds a skeleton for matching vsplt* 
instructions


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26894 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 06:15:45 +00:00
Chris Lattner
08e25de4d3 fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26889 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 05:05:55 +00:00
Chris Lattner
556aae0df0 add vsplat instructions, fix sched description for vperm 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26888 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 04:47:33 +00:00
Chris Lattner
f1d0b2beda Custom lower arbitrary VECTOR_SHUFFLE's to VPERM. 
TODO: leave specific ones as VECTOR_SHUFFLE's and turn them into specialized
operations like vsplt*


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26887 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 01:53:53 +00:00
Chris Lattner
2bc6dc27e9 Claim to have v16i8 for perm masks 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26886 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 01:53:02 +00:00
Chris Lattner
abdff1ee6d add the vperm instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26883 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-20 01:00:56 +00:00
Chris Lattner
28097d086f Add a note about the MUL -> FMADD vector bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26874 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 22:08:08 +00:00
Chris Lattner
b2177b9405 Custom lower SCALAR_TO_VECTOR into lve*x. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26868 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 06:55:52 +00:00
Chris Lattner
ab515b09bf PPC doesn't have SCALAR_TO_VECTOR 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26865 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 06:17:19 +00:00
Chris Lattner
528180ed7b add support for vector undef 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26863 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 06:10:09 +00:00
Chris Lattner
a17409dfd6 minor fixes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26857 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 05:43:01 +00:00
Chris Lattner
28b1a0b532 notes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26856 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 05:33:30 +00:00
Chris Lattner
0a7bff01d0 we don't use lmw/stmw. When we want them they are easy enough to add 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26853 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 04:33:37 +00:00
Chris Lattner
a064d28843 rename these nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26848 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 01:13:28 +00:00
Nate Begeman
79691bc1f3 Fix subfic to match subc by default instead of sub so that it is correctly 
cost-modeled as producing a flag.  This fixes the test I just added for neg


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26835 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-17 22:41:37 +00:00
Nate Begeman
81e8097377 Remove BRTWOWAY* 
Make the PPC backend not dependent on BRTWOWAY_CC and make the branch
selector smarter about the code it generates, fixing a case in the
readme.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26814 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-17 01:40:33 +00:00
Chris Lattner
e261c474ca remove dead variable 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26813 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-16 23:52:08 +00:00
Nate Begeman
1ad9b3a3cc Notes on how to kill the eeevil brtwoway, and make ppc branch selector 
more target independant, generate better code, and be less conservative.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26809 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-16 22:37:48 +00:00
Chris Lattner
be80fc8d09 Strangely, calls clobber call-clobbered vector regs. Whodathoughtit? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26808 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-16 22:35:59 +00:00
Chris Lattner
ed51169cd8 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26807 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-16 22:25:55 +00:00
Chris Lattner
9c09c9ec9d teach the ppc backend how to spill/reload vector regs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26806 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-16 22:24:02 +00:00
Chris Lattner
419ed53006 add callee saved vector regs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26805 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-16 22:07:06 +00:00
Evan Cheng
714554d707 Added a way for TargetLowering to specify what values can be used as the 
scale component of the target addressing mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26802 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-16 21:47:42 +00:00
Chris Lattner
8aa777d5ea in functions that use a lot of callee saved regs, this can be more than 
5 instructions away.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26801 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-16 21:31:45 +00:00
Chris Lattner
335fd3c7c2 Add support for copying registers. still needed: spilling and reloading them 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26800 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-16 20:03:58 +00:00
Nate Begeman
2df992883b Another case we could do better on. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26795 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-16 18:50:44 +00:00