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4177 Commits

Author SHA1 Message Date
Chris Lattner
3f852b45fc MFLR doesn't take an operand, the LR register is implicit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22882 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 23:24:50 +00:00
Chris Lattner
329cdc3801 Add a new flag 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22881 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 23:17:07 +00:00
Chris Lattner
0bc04231c0 Move this to the emitter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22877 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 20:08:53 +00:00
Jim Laskey
5b5f0b7fd5 More optimal solution for loading constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22870 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 18:58:23 +00:00
Chris Lattner
d607c12e8e After selecting the instructions for a basic block, emit the instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22869 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 18:46:06 +00:00
Chris Lattner
f5fac3b4a6 remove some unused stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22866 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 18:34:00 +00:00
Nate Begeman
58dfb08319 Fix int foo() { return 65535; } by using the top 16 bits of the constant 
as the argument to LIS rather than the result of HA16(constant).

The DAG->DAG ISel was already doing the right thing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22865 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 18:14:49 +00:00
Nate Begeman
a694047813 Improve ISD::Constant codegen. 
Now for int foo() { return -1; } we generate:
_foo:
        li r3, -1
        blr

instead of
_foo:
        lis r2, -1
        ori r3, r2, 65535
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22864 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 18:01:39 +00:00
Chris Lattner
0c09a411e0 replace switch stmt with an assert, generate li 0 instead of lis 0 for 0, 
to make the code follow people's expectations better.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22861 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 17:16:52 +00:00
Jim Laskey
3285aadce9 Handle loading of 0x????0000 constants with a single instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22858 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 15:52:30 +00:00
Nate Begeman
cffc32b6e2 Add support for ISD::AND, and its various optimized forms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22857 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 07:30:46 +00:00
Nate Begeman
131a880520 Maintain consistency in negating things 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22855 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 05:44:50 +00:00
Nate Begeman
0f3257a330 Implement XOR, remove a broken sign_extend_inreg case 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22854 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 05:00:13 +00:00
Nate Begeman
305a1c75cf Add a bunch more simple nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22851 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 03:04:18 +00:00
Nate Begeman
6a7d61179c Add a couple more nodes that are easy to handle 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22850 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 00:53:47 +00:00
Nate Begeman
b5a0668d43 Be fruitful and multiply! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22849 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 00:21:41 +00:00
Jim Laskey
b454cfd453 Better version of isIntImmediate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22848 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 00:15:15 +00:00
Nate Begeman
26653500bb Teach the DAG->DAG ISel about FNEG, and how it can be used to invert 
several of the PowerPC opcodes that come in both negated and non-negated
forms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22845 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 23:46:35 +00:00
Jim Laskey
b8df7c2213 Promote dependency for MathExtras.h out of Constants.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22839 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 20:04:34 +00:00
Jim Laskey
cb6682fa44 Culling out use of unions for converting FP to bits and vice versa. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22838 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 19:34:49 +00:00
Chris Lattner
8482dd894d add a beta option for turning on dag->dag isel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22837 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 19:33:30 +00:00
Chris Lattner
a5a91b1026 initial hack at a dag->dag instruction selector. This is obviously woefully 
incomplete, but it is a start.  It handles basic argument/retval stuff, immediates,
add and sub.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22836 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 19:33:03 +00:00
Chris Lattner
d1c4626e14 add prototype, remove dead proto 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22835 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 19:32:03 +00:00
Chris Lattner
9d6c45bdd7 Fix some bugs in the alpha backend, some of which I introduced yesterday, 
and some that were preexisting.  All alpha regtests pass now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22829 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 17:08:24 +00:00
Chris Lattner
6d9aed4f8f Fix a few small typos I noticed when converting this over to the DAG->DAG 
selector.  Also, there is no difference between addSImm and addImm, so just
use addImm, folding some branches.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22819 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 01:25:14 +00:00
Jim Laskey
a033b4d8eb Removed UINT_TO_FP and SINT_TO_FP from ISel outright. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22818 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 01:14:38 +00:00
Andrew Lenharth
035b8abdab thinko. Should fix s4addl.ll regression 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22817 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 00:47:24 +00:00
Jim Laskey
361ca5c927 Remove ISel code generation for UINT_TO_FP and SINT_TO_FP. Now asserts if 
marked as legal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22816 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 00:41:40 +00:00
Jim Laskey
ad23c9d4f2 Make UINT_TO_FP and SINT_TO_FP use generic expansion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22815 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 00:40:22 +00:00
Nate Begeman
456f1e890c Implement a couple improvements: 
Remove dead code in ISD::Constant handling
Add support for add long, imm16

We now codegen 'long long foo(long long a) { return ++a; }'
as:
addic r4, r4, 1
addze r3, r3
blr

instead of:
li r2, 1
li r5, 0
addc r2, r4, r2
adde r3, r3, r5
blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22811 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 00:20:08 +00:00
Chris Lattner
a8cd01524f updates for changes in nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22808 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 21:58:15 +00:00
Chris Lattner
707ebc5dd6 update the backends to work with the new CopyFromReg/CopyToReg/ImplicitDef nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22807 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 21:56:37 +00:00
Nate Begeman
7cbd525ba8 Implement BR_CC and BRTWOWAY_CC. This allows the removal of a rather nasty 
fixme from the PowerPC backend.  Emit slightly better code for legalizing
select_cc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22805 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 19:49:35 +00:00
Chris Lattner
7c5a3d390a Pull the LLVM -> DAG lowering code out of the pattern selector so that it 
can be shared with the DAG->DAG selector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22799 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 17:14:42 +00:00
Chris Lattner
b0096bd19d Turn loop strength reduction on by default. 
Only run createLowerConstantExpressionsPass for the simple isel.  The DAG
isel has no need for it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22794 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-15 23:47:04 +00:00
Jim Laskey
ea0617a023 Broke 80 column rule. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22792 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-15 17:35:26 +00:00
Jim Laskey
30679e691d Changed code gen for int to f32 to use rounding. This makes FP results 
consistent with gcc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22791 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-15 17:14:19 +00:00
Andrew Lenharth
d228427f87 isIntImmediate is a good Idea. Add a flavor that checks bounds while it is at it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22790 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-15 14:31:37 +00:00
Nate Begeman
2d56e72f09 Fix last night's PPC32 regressions by 
1. Not selecting the false value of a select_cc in the false arm, which
   isn't legal for nested selects.
2. Actually returning the node we created and Legalized in the FP_TO_UINT
   Expander.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22789 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-14 18:38:32 +00:00
Nate Begeman
889f2c1acf Fix last night's X86 regressions by putting code for SSE in the if(SSE) 
block.  nur.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22788 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-14 18:37:02 +00:00
Nate Begeman
875f360e22 Fix FP_TO_UINT with Scalar SSE2 now that the legalizer can handle it. We 
now generate the relatively good code sequences:
unsigned short foo(float a) { return a; }
_foo:
        movss 4(%esp), %xmm0
        cvttss2si %xmm0, %eax
        movzwl %ax, %eax
        ret

and
unsigned bar(float a) { return a; }
_bar:
        movss .CPI_bar_0, %xmm0
        movss 4(%esp), %xmm1
        movapd %xmm1, %xmm2
        subss %xmm0, %xmm2
        cvttss2si %xmm2, %eax
        xorl $-2147483648, %eax
        cvttss2si %xmm1, %ecx
        ucomiss %xmm0, %xmm1
        cmovb %ecx, %eax
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22786 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-14 04:36:51 +00:00
Nate Begeman
5a01481585 Make FP_TO_UINT Illegal. This allows us to generate significantly better 
codegen for FP_TO_UINT by using the legalizer's SELECT variant.

Implement a codegen improvement for SELECT_CC, selecting the false node in
the MBB that feeds the phi node.  This allows us to codegen:
void foo(int *a, int b, int c) { int d = (a < b) ? 5 : 9; *a = d; }
as:
_foo:
        li r2, 5
        cmpw cr0, r4, r3
        bgt .LBB_foo_2  ; entry
.LBB_foo_1:     ; entry
        li r2, 9
.LBB_foo_2:     ; entry
        stw r2, 0(r3)
        blr

insted of:
_foo:
        li r2, 5
        li r5, 9
        cmpw cr0, r4, r3
        bgt .LBB_foo_2  ; entry
.LBB_foo_1:     ; entry
        or r2, r5, r5
.LBB_foo_2:     ; entry
        stw r2, 0(r3)
        blr


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22784 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-14 01:17:16 +00:00
Nate Begeman
8f331325a2 Remove support for 64b PPC, it's been broken for a long time. It'll be 
back once a DAG->DAG ISel exists.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22778 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-13 05:59:16 +00:00
Jim Laskey
cf083e312c Fix for 2005-08-12-rlwimi-crash.ll. Make allowance for masks being shifted to 
zero.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22773 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-12 23:52:46 +00:00
Jim Laskey
847c3a976b 1. This changes handles the cases of (~x)&y and x&(~y) yielding ANDC, and 
(~x)|y and x|(~y) yielding ORC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22771 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-12 23:38:02 +00:00
Andrew Lenharth
1f3e808ebf match gcc's use of tabs, makes diffs easier 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22764 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-12 16:14:08 +00:00
Andrew Lenharth
21e786bdb4 .section cleanup, patch from Nicholas Riley 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22763 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-12 16:13:43 +00:00
Jim Laskey
191cf943e6 1. Added the function isOpcWithIntImmediate to simplify testing of operand with 
specified opcode and an integer constant right operand.

2. Modified ISD::SHL, ISD::SRL, ISD::SRA to use rlwinm when applied after a mask.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22761 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-11 21:59:23 +00:00
Chris Lattner
2b48bc6f95 Tidied up the use of dyn_cast<ConstantSDNode> by using isIntImmediate more. 
Patch by Jim Laskey.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22760 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-11 17:56:50 +00:00
Chris Lattner
54abfc5ee4 Use a more efficient method of creating integer and float virtual registers 
(avoids an extra level of indirection in MakeReg).

  defined MakeIntReg using RegMap->createVirtualRegister(PPC32::GPRCRegisterClass)
  defined MakeFPReg using RegMap->createVirtualRegister(PPC32::FPRCRegisterClass)

  s/MakeReg(MVT::i32)/MakeIntReg/
  s/MakeReg(MVT::f64)/MakeFPReg/

Patch by Jim Laskey!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22759 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-11 17:15:31 +00:00
Nate Begeman
c24d484b78 Make SELECT illegal on PPC32, switch to using SELECT_CC, which more closely 
reflects what the hardware is capable of.  This significantly simplifies
the CC handling logic throughout the ISel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22756 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-10 20:52:09 +00:00
Chris Lattner
b4138c475e Changes for PPC32ISelPattern.cpp 
1. Clean up how SelectIntImmediateExpr handles use counts.
2. "Subtract from" was not clearing hi 16 bits.

Patch by Jim Laskey


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22754 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-10 18:11:33 +00:00
Chris Lattner
df706e3f0c Changed the XOR case to use the isOprNot predicate. 
Patch by Jim Laskey!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22750 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-10 16:35:46 +00:00
Chris Lattner
0d7d99fd44 1. Refactored handling of integer immediate values for add, or, xor and sub. 
New routine: ISel::SelectIntImmediateExpr
  2. Now checking use counts of large constants.  If use count is > 2 then drop
  thru so that the constant gets loaded into a register.
  Source:

int %test1(int %a) {
entry:
       %tmp.1 = add int %a,      123456789      ; <int> [#uses=1]
       %tmp.2 = or  int %tmp.1,  123456789      ; <int> [#uses=1]
       %tmp.3 = xor int %tmp.2,  123456789      ; <int> [#uses=1]
       %tmp.4 = sub int %tmp.3, -123456789      ; <int> [#uses=1]
       ret int %tmp.4
}

Did Emit:

       .machine ppc970


       .text
       .align  2
       .globl  _test1
_test1:
.LBB_test1_0:   ; entry
       addi r2, r3, -13035
       addis r2, r2, 1884
       ori r2, r2, 52501
       oris r2, r2, 1883
       xori r2, r2, 52501
       xoris r2, r2, 1883
       addi r2, r2, 52501
       addis r3, r2, 1883
       blr


Now Emits:

       .machine ppc970


       .text
       .align  2
       .globl  _test1
_test1:
.LBB_test1_0:   ; entry
       lis r2, 1883
       ori r2, r2, 52501
       add r3, r3, r2
       or r3, r3, r2
       xor r3, r3, r2
       add r3, r3, r2
       blr

Patch by Jim Laskey!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22749 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-10 16:34:52 +00:00
Duraid Madina
d2ff5ef654 sorry!! this is temporary; for some reason the nasty constmul code seems to 
be an infinite loop when using g++-4.0.1*, this kills the ia64 nightly
tester. A proper fix shall be forthcoming!!! thanks for not killing me. :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22748 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-10 12:38:57 +00:00
Chris Lattner
979a21e766 Fix a bug compiling: select (i32 < i32), f32, f32 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22747 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-10 03:40:09 +00:00
Chris Lattner
c7e18a10d4 add a optimization note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22732 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-09 22:30:57 +00:00
Chris Lattner
88ac32ca26 Update the targets to the new SETCC/CondCodeSDNode interfaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22729 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-09 20:21:10 +00:00
Chris Lattner
59b21c25d4 Minor cleanup patch, no functionality changes. Written by Jim Laskey. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22727 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-09 18:29:55 +00:00
Chris Lattner
2f46055cc2 Fix CodeGen/Generic/div-neg-power-2.ll, a regression from last night. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22726 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-09 18:08:41 +00:00
Nate Begeman
d3ded2d8a7 Factor out some common code, and be smarter about when to emit load hi/lo 
code sequences.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22719 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-08 22:22:56 +00:00
Chris Lattner
0045776d33 Remove getImmediateForOpcode, which is now dead. 
Patch by Jim Laskey.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22716 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-08 21:34:13 +00:00
Chris Lattner
fd78454477 Add new immediate handling support for mul/div. 
Patch by Jim Laskey!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22715 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-08 21:33:23 +00:00
Chris Lattner
5b90917400 Add support for OR/XOR/SUB immediates that are handled with the new immediate 
way.  This allows ORI/ORIS pairs, for example.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22714 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-08 21:30:29 +00:00
Chris Lattner
2f57c4da21 Modify the ISD::AND opcode case to use new immediate constant predicates. 
Includes wider support for rotate and mask cases.

Patch by Jim Laskey.

I've requested that Jim add new regression tests the newly handled cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22712 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-08 21:24:57 +00:00
Chris Lattner
39c6896d22 Modify the ISD::ADD opcode case to use new immediate constant predicates. 
Includes support for 32-bit constants using addi/addis.

Patch by Jim Laskey.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22711 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-08 21:21:03 +00:00
Chris Lattner
8fd1980ce6 Modify existing support functions to use new immediate constant predicates. 
Patch by Jim Laskey


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22710 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-08 21:12:35 +00:00
Chris Lattner
cf1cf1886e Add support predicates for future immediate constant changes. 
Patch by Jim Laskey


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22709 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-08 21:10:27 +00:00
Chris Lattner
02efa6c140 Move IsRunOfOnes to a more logical place and rename to a proper predicate form 
(lowercase isXXX).

Patch by Jim Laskey.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22708 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-08 21:08:09 +00:00
Nate Begeman
394cd13ba3 Fix JIT encoding of ppc mfocrf instruction; the operands were reversed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22707 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-08 20:04:52 +00:00
Chris Lattner
3c304a3ba1 Consolidate the GPOpt stuff to all use the Subtarget, instead of still 
depending on the command line option.  Now the command line option just
sets the subtarget as appropriate.  G5 opts will now default to on on
G5-enabled nightly testers among other machines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22688 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-05 22:05:03 +00:00
Chris Lattner
8c4a8735ec adjust to change in getSubtarget() api 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22687 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-05 21:54:27 +00:00
Chris Lattner
ba25365140 Enable gp optimizations by default when available, even when a target triple 
is available, since the target triple doesn't specify whether to use gpopts
or not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22685 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-05 21:25:13 +00:00
Chris Lattner
6281ae4bf0 add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22681 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-05 19:18:32 +00:00
Chris Lattner
4e624ecd07 don't crash when running the PPC backend on non-ppc hosts without specifying 
a subtarget.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22677 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-05 16:17:22 +00:00
Nate Begeman
99558806f8 Hack to naturally align doubles in the constant pool. Remove this once we 
know what The Right Thing To Do is.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22660 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-04 21:04:09 +00:00
Nate Begeman
3d72d14887 Use the new subtarget support to automatically choose the correct ABI 
and asm printer for PowerPC if one is not specified.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22659 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-04 20:49:48 +00:00
Andrew Lenharth
3f55a4fcab No, IDEFs shouldn't be JITed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22648 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-04 15:32:36 +00:00
Nate Begeman
8c00f8cdc7 Add Subtarget support to PowerPC. Next up, using it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22644 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-04 07:12:09 +00:00
Nate Begeman
1c73c7be9d Scalar SSE: load +0.0 -> xorps/xorpd 
Scalar SSE: a < b ? c : 0.0 -> cmpss, andps
Scalar SSE: float -> i16 needs to be promoted


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22637 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 23:26:28 +00:00
Andrew Lenharth
dc7c0b8c22 Alpha ABI specifies stack is always 16 byte alligned, and gcc does it, so I will too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22634 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 22:33:21 +00:00
Misha Brukman
0a3f677f09 Fix grammar: apostrophe-s ('s) is possessive, not plural; also iff vs. if. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22619 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 17:29:52 +00:00
Chris Lattner
a34cbcc50a minor capitalization thing, patch by Jim Laskey 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22617 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-03 16:52:22 +00:00
Chris Lattner
9e17df80ca one more hunk that got dropped 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22596 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:35:29 +00:00
Chris Lattner
c0d590b6f2 This hunk accidentally got dropped. Patch by Jim Laskey 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22595 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:30:55 +00:00
Chris Lattner
0561b3ff9f Update to use the new MathExtras.h support for log2 computation. 
Patch contributed by Jim Laskey!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22594 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:26:06 +00:00
Chris Lattner
3f270130b5 add a pass name to make debugging dumps nicer 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22588 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-02 19:07:49 +00:00
Andrew Lenharth
5bca0da936 update function codes to reflect /su flags that have been added since this was written 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22571 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-01 20:06:01 +00:00
Andrew Lenharth
01c8f6e452 use llabs not abs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22569 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-01 17:47:28 +00:00
Jeff Cohen
d29b6aa608 Keep tabs and trailing spaces out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22565 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 18:33:25 +00:00
Chris Lattner
a88da08c6e fix a typeo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22561 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:43:00 +00:00
Chris Lattner
a35e1dfd12 Change the fp to integer code to not perform 2-byte stores followed by 
1 byte loads and other operations.  This is bad for store-forwarding on
common CPUs.  We now do this:

fnstcw WORD PTR [%ESP]
mov %AX, WORD PTR [%ESP]

instead of:

fnstcw WORD PTR [%ESP]
mov %AL, BYTE PTR [%ESP + 1]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22559 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:17:52 +00:00
Chris Lattner
01546c5d50 Use a custom expander for all FP to int conversions, as the X86 only has 
FP-to-int-in-memory: this exposes the load from the stored slot to the
selection dag, allowing it to be folded into other operaions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22556 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-30 00:05:54 +00:00
Andrew Lenharth
422f3d58a8 turn off GOT on archs that didn't use it (not that it appeard to harm them much with it on) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22553 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-29 23:32:02 +00:00
Chris Lattner
5d06b8caae Implement a FIXME: move a bunch of cruft for handling FP_TO_*INT operations 
that the X86 does not support to the legalizer.  This allows it to be better
optimized, etc, and will help with SSE support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22551 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-29 01:00:29 +00:00
Chris Lattner
f7443dace5 Don't forget to diddle with the control word when performing an FISTP64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22550 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-29 00:54:34 +00:00
Chris Lattner
745d538119 Use a custom expander to compile this: 
long %test4(double %X) {
        %tmp.1 = cast double %X to long         ; <long> [#uses=1]
        ret long %tmp.1
}

to this:

_test4:
        sub %ESP, 12
        fld QWORD PTR [%ESP + 16]
        fistp QWORD PTR [%ESP]
        mov %EDX, DWORD PTR [%ESP + 4]
        mov %EAX, DWORD PTR [%ESP]
        add %ESP, 12
        ret

instead of this:

_test4:
        sub %ESP, 28
        fld QWORD PTR [%ESP + 32]
        fstp QWORD PTR [%ESP]
        call ___fixdfdi
        add %ESP, 28
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22549 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-29 00:40:01 +00:00
Andrew Lenharth
98169be50b support bsr, and more .td simplification 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22543 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 18:14:47 +00:00
Andrew Lenharth
a4433e1b31 get lazy JITing working. Some of shootout runs now 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22538 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 12:45:20 +00:00
Chris Lattner
988b1dd608 Eliminate an extra copy from R1 that Nate noticed on function calls that 
have to write arguments to the stack


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22536 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 05:23:43 +00:00
Chris Lattner
4015ea8711 Specify the correct number of operands 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22535 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 04:42:11 +00:00
Nate Begeman
2a05c8e260 Fold constant adds into loads and stores to frame indices. 
For the following code:
double %ext(int %A.0__, long %A.1__) {
        %A_addr = alloca %typedef.DComplex              ; <%typedef.DComplex*> [#uses=2]
        %tmp.1 = cast %typedef.DComplex* %A_addr to int*                ; <int*> [#uses=1]
        store int %A.0__, int* %tmp.1
        %tmp.2 = getelementptr %typedef.DComplex* %A_addr, int 0, uint 1                ; <double*> [#uses=2]
        %tmp.3 = cast double* %tmp.2 to long*           ; <long*> [#uses=1]
        store long %A.1__, long* %tmp.3
        %tmp.5 = load double* %tmp.2            ; <double> [#uses=1]
        ret double %tmp.5
}

We now generate:
_ext:
.LBB_ext_0:     ;
        stw r3, -12(r1)
        stw r4, -8(r1)
        stw r5, -4(r1)
        lfd f1, -8(r1)
        blr

Instead of:
_ext:
.LBB_ext_0:     ;
        stw r3, -12(r1)
        addi r2, r1, -12
        stw r4, 4(r2)
        stw r5, 8(r2)
        lfd f1, 4(r2)
        blr

This also fires hundreds of times on MultiSource.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22533 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-28 03:02:05 +00:00
Nate Begeman
3dee17581c Fix some comments 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22530 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 23:11:27 +00:00
Jeff Cohen
00b16889ab Eliminate all remaining tabs and trailing spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22523 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 06:12:32 +00:00
Nate Begeman
54eed36da5 Implement the optimization for the Red Zone on Darwin. This removes the 
unnecessary SP manipulation in leaf routines that don't need it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22522 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 06:06:29 +00:00
Chris Lattner
45ff4faeed fix some warnings when compiled with 32-bit hosts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22521 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 05:58:01 +00:00
Jeff Cohen
9eb59ec548 Eliminate tabs and trailing spaces. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22520 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-27 05:53:44 +00:00
Chris Lattner
b65975a6ed add a note about the red zone 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22518 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-26 19:07:51 +00:00
Chris Lattner
2e00d7d0ae Wrap some long lines, fix emission of weak global variables 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22517 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-26 19:03:27 +00:00
Nate Begeman
4ad870ddcc Update the PPC readme 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22516 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-26 18:59:06 +00:00
Nate Begeman
7b4f0a81ff Fix an optimization put in for accessing static globals. This obviates 
the need to build PIC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22512 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-25 21:15:28 +00:00
Andrew Lenharth
f075cac445 fix compile error 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22508 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-23 07:46:48 +00:00
Chris Lattner
aa68f7fa09 PowerPC no-pic code is not quite ready for prime-time 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22507 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 22:58:34 +00:00
Andrew Lenharth
6b137d818a Handle more imm forms, and load small negative i32 constants without hitting memory (should do the same for arbitrary zero extended small negative constants) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22505 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 22:24:01 +00:00
Andrew Lenharth
38396f8a93 finally found the gcc defined constants 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22502 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 21:00:30 +00:00
Andrew Lenharth
0934ae02af Alpha JIT (beta) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22500 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 20:52:16 +00:00
Andrew Lenharth
f3f951af3f simpilfy instruction encoding (and make the lines way shorter, aka Misha happification) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22499 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 20:50:29 +00:00
Andrew Lenharth
908bc862d5 update interface 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22498 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-22 20:49:37 +00:00
Nate Begeman
2497e6391f Support building non-PIC 
Remove the LoadHiAddr pseudo-instruction.
Optimization of stores to and loads from statics.
Force JIT to use new non-PIC codepaths.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22494 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-21 20:44:43 +00:00
Chris Lattner
2130c08930 revert to using 4-byte alignment for doubles, as specified by the ABI 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22493 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-21 19:17:18 +00:00
Nate Begeman
18ed029a7b Support assembling fsqrt on darwin. This will be implemented better when 
PowerPC gets subtarget support up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22489 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-21 01:25:49 +00:00
Nate Begeman
adeb43ddf4 Generate mfocrf when targeting g5. Generate fsqrt/fsqrts when targetin g5. 
8-byte align doubles.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22486 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-20 22:42:00 +00:00
Nate Begeman
a3fd400fa8 Integrate SelectFPExpr into SelectExpr. This gets PPC32 closer to being 
automatically generated from a target description.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22470 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-19 16:51:05 +00:00
Reid Spencer
a0f5bf306c For: memory operations -> stores 
This is the first incremental patch to implement this feature. It adds no
functionality to LLVM but setup up the information needed from targets in
order to implement the optimization correctly. Each target needs to specify
the maximum number of store operations for conversion of the llvm.memset,
llvm.memcpy, and llvm.memmove intrinsics into a sequence of store operations.
The limit needs to be chosen at the threshold of performance for such an
optimization (generally smallish). The target also needs to specify whether
the target can support unaligned stores for multi-byte store operations.
This helps ensure the optimization doesn't generate code that will trap on
an alignment errors.
More patches to follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22468 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-19 04:52:44 +00:00
Nate Begeman
5a8441ea3f Teach the legalizer how to promote SINT_TO_FP to a wider SINT_TO_FP that 
the target natively supports.  This eliminates some special-case code from
the x86 backend and generates better code as well.

For an i8 to f64 conversion, before & after:

_x87 before:
        subl $2, %esp
        movb 6(%esp), %al
        movsbw %al, %ax
        movw %ax, (%esp)
        filds (%esp)
        addl $2, %esp
        ret

_x87 after:
        subl $2, %esp
        movsbw 6(%esp), %ax
        movw %ax, (%esp)
        filds (%esp)
        addl $2, %esp
        ret

_sse before:
        subl $12, %esp
        movb 16(%esp), %al
        movsbl %al, %eax
        cvtsi2sd %eax, %xmm0
        addl $12, %esp
        ret

_sse after:
        subl $12, %esp
        movsbl 16(%esp), %eax
        cvtsi2sd %eax, %xmm0
        addl $12, %esp
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22452 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-16 02:02:34 +00:00
Nate Begeman
11cefd926a Teach the register allocator that movaps is also a move instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22451 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-16 02:00:20 +00:00
Nate Begeman
9035b99abf A couple more darwinisms 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22450 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-16 01:59:47 +00:00
Chris Lattner
a28381cac2 Remove all knowledge of UINT_TO_FP from the X86 backend, relying on the 
legalizer to eliminate them.  With this comes the expected code quality
improvements, such as, for this:

double foo(unsigned short X) { return X; }

we now generate this:

_foo:
        subl $4, %esp
        movzwl 8(%esp), %eax
        movl %eax, (%esp)
        fildl (%esp)
        addl $4, %esp
        ret

instead of this:

_foo:
        subl $4, %esp
        movw 8(%esp), %ax
        movzwl %ax, %eax   ;; Load not folded into this.
        movl %eax, (%esp)
        fildl (%esp)
        addl $4, %esp
        ret

-Chris


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22449 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-16 00:28:20 +00:00
Nate Begeman
16b04f3d5e Get closer to fully working scalar FP in SSE regs. This gets singlesource 
working, and Olden/power.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22441 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-15 00:38:55 +00:00
Nate Begeman
6c7cb29038 Add support for printing the sse scalar comparison instruction mnemonics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22440 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-14 22:52:25 +00:00
John Criswell
ce4e1e419e Fixed PR#596: 
Add parenthesis around the value being negated; that way, if the value
begins with a minus sign (e.g. negative integer), we won't generate a
C predecrement operator by mistake.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22437 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-14 19:41:16 +00:00
Nate Begeman
d3a490a08e Check in the last of the darwin-specific code necessary to get shootout 
working before modifying the asm printer to use the subtarget info.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22408 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-12 18:34:58 +00:00
Nate Begeman
63b3f9acae Remove some code that moved to the generic asm printer a long time ago. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22407 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-12 18:34:15 +00:00
Andrew Lenharth
fec0e4024f Fix povray and minor cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22397 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-12 04:20:52 +00:00
Jeff Cohen
74fa8d67e1 I don't know how this ever compiled with gcc, but VC++ correctly rejects it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22394 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-12 02:59:38 +00:00
Nate Begeman
0e219eb9b8 Clean up the TargetSubtarget class a bit, removing an unnecessary argument 
to the constructor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22392 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-12 02:41:19 +00:00
Chris Lattner
b151acadc8 Minor changes to improve comments and fix the build on _WIN32 systems. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22391 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-12 02:36:10 +00:00
Chris Lattner
3249bfc828 Add a note 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22390 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-12 02:35:36 +00:00
Nate Begeman
fb5792f416 Implement Subtarget support 
Implement the X86 Subtarget.

This consolidates the checks for target triple, and setting options based
on target triple into one place.  This allows us to convert the asm printer
and isel over from being littered with "forDarwin", "forCygwin", etc. into
just having the appropriate flags for each subtarget feature controlling
the code for that feature.

This patch also implements indirect external and weak references in the
X86 pattern isel, for darwin.  Next up is to convert over the asm printers
to use this new interface.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22389 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-12 01:41:54 +00:00
Nate Begeman
73213f6c07 Commit some pending darwin changes before subtarget support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22388 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-12 01:37:28 +00:00
Chris Lattner
df3623e962 fix a warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22385 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-11 22:46:18 +00:00
Chris Lattner
c569d79a2a Output .size directives to tell the assembler the size of each function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22381 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-11 06:29:14 +00:00
Chris Lattner
b12c9fa565 Fix crazy indentation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22380 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-11 06:25:47 +00:00
Chris Lattner
81b6ed7ed1 Refactor things a bit to allow the ELF code emitter to run the X86 machine code emitter 
after itself.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22376 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-11 05:17:48 +00:00
Chris Lattner
efb4bf0de6 Remove prototype for non-existant function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22372 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-11 04:20:55 +00:00
Chris Lattner
bce81ae51e Change *EXTLOAD to use an VTSDNode operand instead of being an MVTSDNode. 
This is the last MVTSDNode.

This allows us to eliminate a bunch of special case code for handling
MVTSDNodes.

Also, remove some uses of dyn_cast that should really be cast (which is
cheaper in a release build).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22368 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-10 01:56:13 +00:00
Chris Lattner
9fadb4c1c0 Change TRUNCSTORE to use a VTSDNode operand instead of being an MVTSTDNode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22366 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-10 00:29:18 +00:00
Nate Begeman
72b286b0a0 Add support for assembling .s files on mac os x for intel 
Add support for running bugpoint on mac os x for intel


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22351 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-08 00:23:26 +00:00
Andrew Lenharth
a48f3ce18a clean up prolouge and epilouge 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22346 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-07 19:52:58 +00:00
Chris Lattner
8d4b9eddc0 Restore some code that was accidentally removed by Nate's patch yesterday. 
This fixes the regressions from last night.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22344 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-07-07 17:12:53 +00:00