oota-llvm.git
19 years agoFix 'ret long' to return the high and lo parts in the right registers. This
Chris Lattner [Wed, 31 Aug 2005 01:34:29 +0000 (01:34 +0000)]
Fix 'ret long' to return the high and lo parts in the right registers.  This
fixes crafty and probably others.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23167 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoSigh, not my day. Fix typo.
Nate Begeman [Wed, 31 Aug 2005 00:43:49 +0000 (00:43 +0000)]
Sigh, not my day.  Fix typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23166 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix a mistake in my previous patch pointed out by sabre; the AssertZext
Nate Begeman [Wed, 31 Aug 2005 00:43:08 +0000 (00:43 +0000)]
Fix a mistake in my previous patch pointed out by sabre; the AssertZext
case in MaskedValueIsZero was wrong.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23165 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoRemove some unnecessary casts, and add the AssertZext case to
Nate Begeman [Wed, 31 Aug 2005 00:27:53 +0000 (00:27 +0000)]
Remove some unnecessary casts, and add the AssertZext case to
MaskedValueIsZero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23164 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAdd support for count trailing zeroes, and population count. These are
Nate Begeman [Wed, 31 Aug 2005 00:25:01 +0000 (00:25 +0000)]
Add support for count trailing zeroes, and population count.  These are
needed for folding constants in the upcoming dag combiner.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23163 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agonow that physregs can exist in the same dag with multiple types, remove some
Chris Lattner [Tue, 30 Aug 2005 22:59:48 +0000 (22:59 +0000)]
now that physregs can exist in the same dag with multiple types, remove some
ugly hacks

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23162 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAllow physregs to occur in the dag with multiple types. Though I don't likethis...
Chris Lattner [Tue, 30 Aug 2005 22:38:38 +0000 (22:38 +0000)]
Allow physregs to occur in the dag with multiple types.  Though I don't likethis, it is a requirement on PPC, which can have an f32 value in r3 at onepoint in a function and a f64 value in r3 at another point.  :(

This fixes compilation of mesa

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23161 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAllow physregs to occur in the dag with multiple types. Though I don't like
Chris Lattner [Tue, 30 Aug 2005 22:38:05 +0000 (22:38 +0000)]
Allow physregs to occur in the dag with multiple types.  Though I don't like
this, it is a requirement on PPC, which can have an f32 value in r3 at one
point in a function and a f64 value in r3 at another point.  :(

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23160 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix type mismatches when passing f32 values to calls
Chris Lattner [Tue, 30 Aug 2005 21:28:19 +0000 (21:28 +0000)]
Fix type mismatches when passing f32 values to calls

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23159 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoWhen checking the fixed intervals, don't forget to check for register aliases.
Chris Lattner [Tue, 30 Aug 2005 21:03:36 +0000 (21:03 +0000)]
When checking the fixed intervals, don't forget to check for register aliases.
This fixes PR621 and Regression/CodeGen/X86/2005-08-30-RegAllocAliasProblem.ll

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23158 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agonew testcase corresponding to PR621
Chris Lattner [Tue, 30 Aug 2005 21:02:51 +0000 (21:02 +0000)]
new testcase corresponding to PR621

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23157 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoThe dag isel misses both of these, the pattern isel just misses the second
Chris Lattner [Tue, 30 Aug 2005 18:44:09 +0000 (18:44 +0000)]
The dag isel misses both of these, the pattern isel just misses the second
one.  TODO :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23156 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix some indentation (first hunks).
Chris Lattner [Tue, 30 Aug 2005 18:37:48 +0000 (18:37 +0000)]
Fix some indentation (first hunks).

Remove code (last hunk) that miscompiled immediate and's, such as
  and uint %tmp.30, 4294958079

into

 andi. r8, r8, 56319
 andis. r8, r8, 65535

instead of:

 li r9, -9217
 and r8, r8, r9

The first always generates zero.

This fixes espresso.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23155 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix a problem Nate found where we swapped the operands of SHL/SHR_PARTS. This
Chris Lattner [Tue, 30 Aug 2005 17:42:59 +0000 (17:42 +0000)]
Fix a problem Nate found where we swapped the operands of SHL/SHR_PARTS.  This
fixes fourinarow

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23153 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agocodegen ADD_PARTS correctly: put the results in the right registers! This
Chris Lattner [Tue, 30 Aug 2005 17:40:13 +0000 (17:40 +0000)]
codegen ADD_PARTS correctly: put the results in the right registers!  This
fixes fhourstones

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23152 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix FreeBench/fourinarow with the dag isel, by not adding a bogus result
Chris Lattner [Tue, 30 Aug 2005 17:21:17 +0000 (17:21 +0000)]
Fix FreeBench/fourinarow with the dag isel, by not adding a bogus result
to SHIFT_PARTS nodes

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23151 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoadd operands in the right order, fixing McCat/18-imp with the dag isel
Chris Lattner [Tue, 30 Aug 2005 17:13:58 +0000 (17:13 +0000)]
add operands in the right order, fixing McCat/18-imp with the dag isel

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23150 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix a miscompile of PtrDist/bc. Sign extending bools is not the right thing,
Chris Lattner [Tue, 30 Aug 2005 16:56:19 +0000 (16:56 +0000)]
Fix a miscompile of PtrDist/bc.  Sign extending bools is not the right thing,
at least tends to expose problems elsewhere.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23149 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoRemove a bogus piece of my AssertSext/AssertZext patch. oops.
Nate Begeman [Tue, 30 Aug 2005 02:54:28 +0000 (02:54 +0000)]
Remove a bogus piece of my AssertSext/AssertZext patch.  oops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23148 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAdd support for AssertSext and AssertZext, folding other extensions with
Nate Begeman [Tue, 30 Aug 2005 02:44:00 +0000 (02:44 +0000)]
Add support for AssertSext and AssertZext, folding other extensions with
them.  This allows for elminination of redundant extends in the entry
blocks of functions on PowerPC.

Add support for i32 x i32 -> i64 multiplies, by recognizing when the inputs
to ISD::MUL in ExpandOp are actually just extended i32 values and not real
i64 values.  this allows us to codegen

int mulhs(int a, int b) { return ((long long)a * b) >> 32; }
as:
_mulhs:
        mulhw r3, r4, r3
        blr

instead of:
_mulhs:
        mulhwu r2, r4, r3
        srawi r5, r3, 31
        mullw r5, r4, r5
        add r2, r2, r5
        srawi r4, r4, 31
        mullw r3, r4, r3
        add r3, r2, r3
        blr

with a similar improvement on x86.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23147 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAdd AssertSext, AssertZext nodes for targets that pass arguments in
Nate Begeman [Tue, 30 Aug 2005 02:39:32 +0000 (02:39 +0000)]
Add AssertSext, AssertZext nodes for targets that pass arguments in
registers, and the incoming values have already been zero or sign extended
from the appopriate type to the register width.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23146 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoName this variable to be what it really is!
Chris Lattner [Tue, 30 Aug 2005 01:58:51 +0000 (01:58 +0000)]
Name this variable to be what it really is!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23145 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoHandle CopyToReg nodes with flag operands correctly
Chris Lattner [Tue, 30 Aug 2005 01:57:23 +0000 (01:57 +0000)]
Handle CopyToReg nodes with flag operands correctly

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23144 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoMake sure the selector emits register register copies with flag operands
Chris Lattner [Tue, 30 Aug 2005 01:57:02 +0000 (01:57 +0000)]
Make sure the selector emits register register copies with flag operands
linking them to calls when appropriate, this prevents the scheduler from
pulling these copies away from the call.

This fixes Ptrdist/yacr2

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23143 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoadd some method variants
Chris Lattner [Tue, 30 Aug 2005 01:56:13 +0000 (01:56 +0000)]
add some method variants

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23142 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoThe first operand to AND does not always have more than two operands. This
Chris Lattner [Tue, 30 Aug 2005 00:59:16 +0000 (00:59 +0000)]
The first operand to AND does not always have more than two operands. This
fixes MediaBench/toast with the dag selector

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23141 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix a bug in my patch for legalizing to fsel. It cannot handle seteq/setne,
Chris Lattner [Tue, 30 Aug 2005 00:45:18 +0000 (00:45 +0000)]
Fix a bug in my patch for legalizing to fsel.  It cannot handle seteq/setne,
which I failed to include when I moved the code over.  This fixes
MallocBench/gs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23140 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoemit FMR instructions to convert f64<->f32 instructions, so things like
Chris Lattner [Tue, 30 Aug 2005 00:30:43 +0000 (00:30 +0000)]
emit FMR instructions to convert f64<->f32 instructions, so things like
STOREs, know the right type to store.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23139 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix some really strange indentation that xcode likes to use.
Chris Lattner [Tue, 30 Aug 2005 00:19:00 +0000 (00:19 +0000)]
Fix some really strange indentation that xcode likes to use.

no xcode, this is not right:

   if (!foo) break;
     X;

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23138 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agofix a crash in cfrac
Chris Lattner [Mon, 29 Aug 2005 23:49:25 +0000 (23:49 +0000)]
fix a crash in cfrac

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23137 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoImplement DYNAMIC_STACKALLOC, wrap some long lines
Chris Lattner [Mon, 29 Aug 2005 23:30:11 +0000 (23:30 +0000)]
Implement DYNAMIC_STACKALLOC, wrap some long lines

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23136 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAdd a hack to avoid some horrible code in some cases by always emitting
Chris Lattner [Mon, 29 Aug 2005 23:21:29 +0000 (23:21 +0000)]
Add a hack to avoid some horrible code in some cases by always emitting
token chains first.  For this C function:

int test() {
  int i;
  for (i = 0; i < 100000; ++i)
    foo();
}

Instead of emitting this (condition before call)

.LBB_test_1:    ; no_exit
        addi r30, r30, 1
        lis r2, 1
        ori r2, r2, 34464
        cmpw cr2, r30, r2
        bl L_foo$stub
        bne cr2, .LBB_test_1    ; no_exit

Emit this:

.LBB_test_1:    ; no_exit
        bl L_foo$stub
        addi r30, r30, 1
        lis r2, 1
        ori r2, r2, 34464
        cmpw cr0, r30, r2
        bne cr0, .LBB_test_1    ; no_exit

Which makes it so we don't have to save/restore cr2 in the prolog/epilog of
the function.

This also makes the code much more similar to what the pattern isel produces.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23135 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoimprove comment
Chris Lattner [Mon, 29 Aug 2005 22:48:32 +0000 (22:48 +0000)]
improve comment

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23134 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix a dumb bug of mine where we were mishandling the PPC ABI (undef handling).
Chris Lattner [Mon, 29 Aug 2005 22:22:57 +0000 (22:22 +0000)]
Fix a dumb bug of mine where we were mishandling the PPC ABI (undef handling).
This fixes voronoi and bh in Olden, allowing all of olden to pass!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23133 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAdd a new API for nate
Chris Lattner [Mon, 29 Aug 2005 22:00:00 +0000 (22:00 +0000)]
Add a new API for nate

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23132 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAdd a new API for Nate
Chris Lattner [Mon, 29 Aug 2005 21:59:31 +0000 (21:59 +0000)]
Add a new API for Nate

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23131 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoSome of us cared about the the promote path
Andrew Lenharth [Mon, 29 Aug 2005 20:46:51 +0000 (20:46 +0000)]
Some of us cared about the the promote path

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23130 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix an infinite loop on x86
Chris Lattner [Mon, 29 Aug 2005 17:30:00 +0000 (17:30 +0000)]
Fix an infinite loop on x86

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23129 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAllow bugpoint+PPC codegen to use fsqrt
Chris Lattner [Mon, 29 Aug 2005 13:14:24 +0000 (13:14 +0000)]
Allow bugpoint+PPC codegen to use fsqrt

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23128 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix a bug the last patch exposed in treeadd among others
Chris Lattner [Mon, 29 Aug 2005 01:07:02 +0000 (01:07 +0000)]
Fix a bug the last patch exposed in treeadd among others

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23127 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoA hack to fix a problem folding immedaites. This fixes Olden/power.
Chris Lattner [Mon, 29 Aug 2005 01:01:01 +0000 (01:01 +0000)]
A hack to fix a problem folding immedaites.  This fixes Olden/power.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23126 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix order of operands for copytoreg node when emitting calls. This fixes
Chris Lattner [Mon, 29 Aug 2005 00:26:57 +0000 (00:26 +0000)]
Fix order of operands for copytoreg node when emitting calls.  This fixes
Olden/msFix order of operands for copytoreg node when emitting calls.  This fixes
Olden/mstt.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23125 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix a bug in my previous patch that was using the wrong iterator. This fixes
Chris Lattner [Mon, 29 Aug 2005 00:10:46 +0000 (00:10 +0000)]
Fix a bug in my previous patch that was using the wrong iterator.  This fixes
Olden/bisort among others.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23124 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoadd operands in the correct order
Chris Lattner [Mon, 29 Aug 2005 00:02:01 +0000 (00:02 +0000)]
add operands in the correct order

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23123 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix a bug in ReplaceAllUsesWith
Chris Lattner [Sun, 28 Aug 2005 23:59:36 +0000 (23:59 +0000)]
Fix a bug in ReplaceAllUsesWith

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23122 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix a bug in FP_EXTEND, implement FP_TO_SINT
Chris Lattner [Sun, 28 Aug 2005 23:59:09 +0000 (23:59 +0000)]
Fix a bug in FP_EXTEND, implement FP_TO_SINT

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23121 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agofix an assertion failure in treeadd
Chris Lattner [Sun, 28 Aug 2005 23:39:22 +0000 (23:39 +0000)]
fix an assertion failure in treeadd

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23120 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAdjust to member variable name change.
Reid Spencer [Sat, 27 Aug 2005 19:09:48 +0000 (19:09 +0000)]
Adjust to member variable name change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23119 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoChange the names of member variables per Chris' instructions, and document
Reid Spencer [Sat, 27 Aug 2005 19:09:02 +0000 (19:09 +0000)]
Change the names of member variables per Chris' instructions, and document
them more clearly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23118 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix a typo.
Reid Spencer [Sat, 27 Aug 2005 19:06:05 +0000 (19:06 +0000)]
Fix a typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23117 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoImplement PR614:
Reid Spencer [Sat, 27 Aug 2005 18:50:39 +0000 (18:50 +0000)]
Implement PR614:
These changes modify the makefiles so that the output of flex and bison are
placed in the SRC directory, not the OBJ directory. It is intended that they
be checked in as any other LLVM source so that platforms without convenient
access to flex/bison can be compiled. From now on, if you change a .y or
.l file you *must* also commit the generated .cpp and .h files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23115 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoDisable this code, which broke many tests last night
Chris Lattner [Sat, 27 Aug 2005 16:16:51 +0000 (16:16 +0000)]
Disable this code, which broke many tests last night

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23114 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agofix PHI node emission for basic blocks that have select_cc's in them on ppc32
Chris Lattner [Sat, 27 Aug 2005 00:58:02 +0000 (00:58 +0000)]
fix PHI node emission for basic blocks that have select_cc's in them on ppc32

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23113 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoThe condition register being branched on may not be cr0, as such, print it.
Chris Lattner [Fri, 26 Aug 2005 23:42:05 +0000 (23:42 +0000)]
The condition register being branched on may not be cr0, as such, print it.
This fixes: UnitTests/2005-07-17-INT-To-FP.c

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23112 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoPropagate cr# from COND_BRANCH to the actual branch instruction as appropriate
Chris Lattner [Fri, 26 Aug 2005 23:41:27 +0000 (23:41 +0000)]
Propagate cr# from COND_BRANCH to the actual branch instruction as appropriate

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23111 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoNate noticed that Andrew never did this. This fixes PR600
Chris Lattner [Fri, 26 Aug 2005 22:50:40 +0000 (22:50 +0000)]
Nate noticed that Andrew never did this.  This fixes PR600

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23110 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoDon't copy regs that are only used in the entry block into a vreg. This
Chris Lattner [Fri, 26 Aug 2005 22:49:59 +0000 (22:49 +0000)]
Don't copy regs that are only used in the entry block into a vreg.  This
changes the code generated for:

short %test(short %A) {
  %B = xor short %A, -32768
  ret short %B
}

to:

_test:
        xori r2, r3, 32768
        xoris r2, r2, 65535
        extsh r3, r2
        blr

instead of:

_test:
        rlwinm r2, r3, 0, 16, 31
        xori r2, r3, 32768
        xoris r2, r2, 65535
        extsh r3, r2
        blr

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23109 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoMake this code safe for when loadRegFromStackSlot inserts multiple instructions.
Chris Lattner [Fri, 26 Aug 2005 22:18:32 +0000 (22:18 +0000)]
Make this code safe for when loadRegFromStackSlot inserts multiple instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23108 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoallow code using mtcrf to assemble
Chris Lattner [Fri, 26 Aug 2005 22:05:54 +0000 (22:05 +0000)]
allow code using mtcrf to assemble

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23107 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoRemove operand type 'crbit', since it is no longer used
Nate Begeman [Fri, 26 Aug 2005 22:04:17 +0000 (22:04 +0000)]
Remove operand type 'crbit', since it is no longer used

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23106 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoteach getClass what a condition reg is
Chris Lattner [Fri, 26 Aug 2005 21:51:29 +0000 (21:51 +0000)]
teach getClass what a condition reg is

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23105 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoMinor cleanups:
Chris Lattner [Fri, 26 Aug 2005 21:49:18 +0000 (21:49 +0000)]
Minor cleanups:
  * avoid calling getClass() multiple times (it is relatively expensive)
  * Allow -disable-fp-elim to turn of frame pointer elimination.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23104 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoChecking types here is not safe, because multiple types can map to the same
Chris Lattner [Fri, 26 Aug 2005 21:39:15 +0000 (21:39 +0000)]
Checking types here is not safe, because multiple types can map to the same
register class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23103 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoimplement SELECT_CC fully for the DAG->DAG isel!
Chris Lattner [Fri, 26 Aug 2005 21:23:58 +0000 (21:23 +0000)]
implement SELECT_CC fully for the DAG->DAG isel!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23101 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoadd some forward defs
Chris Lattner [Fri, 26 Aug 2005 21:06:40 +0000 (21:06 +0000)]
add some forward defs

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23100 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agospell this right
Chris Lattner [Fri, 26 Aug 2005 20:55:40 +0000 (20:55 +0000)]
spell this right

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23099 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoCall the InsertAtEndOfBasicBlock hook if the usesCustomDAGSchedInserter
Chris Lattner [Fri, 26 Aug 2005 20:54:47 +0000 (20:54 +0000)]
Call the InsertAtEndOfBasicBlock hook if the usesCustomDAGSchedInserter
flag is set on an instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23098 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agospell this right!
Chris Lattner [Fri, 26 Aug 2005 20:53:44 +0000 (20:53 +0000)]
spell this right!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23097 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAdd a hook
Chris Lattner [Fri, 26 Aug 2005 20:53:09 +0000 (20:53 +0000)]
Add a hook

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23096 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agospell this variable right
Chris Lattner [Fri, 26 Aug 2005 20:42:52 +0000 (20:42 +0000)]
spell this variable right

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23095 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoExpose a new flag to TargetInstrInfo
Chris Lattner [Fri, 26 Aug 2005 20:40:46 +0000 (20:40 +0000)]
Expose a new flag to TargetInstrInfo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23094 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAdd a new instruction flag
Chris Lattner [Fri, 26 Aug 2005 20:31:24 +0000 (20:31 +0000)]
Add a new instruction flag

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23093 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAdd a flag
Chris Lattner [Fri, 26 Aug 2005 20:29:01 +0000 (20:29 +0000)]
Add a flag

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23092 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoMake fsel emission work with both the pattern and dag-dag selectors, by
Chris Lattner [Fri, 26 Aug 2005 20:25:03 +0000 (20:25 +0000)]
Make fsel emission work with both the pattern and dag-dag selectors, by
giving it a non-instruction opcode.  The dag->dag selector used to not
select the operands of the fsel, because it thought that whole tree was
already selected.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23091 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoadd a marker at the end of the instruction enum list
Chris Lattner [Fri, 26 Aug 2005 20:17:00 +0000 (20:17 +0000)]
add a marker at the end of the instruction enum list

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23090 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoimplement the fold for:
Chris Lattner [Fri, 26 Aug 2005 18:46:49 +0000 (18:46 +0000)]
implement the fold for:

bool %test(int %X, int %Y) {
        %C = setne int %X, 0
        ret bool %C
}

to:

_test:
        addic r2, r3, -1
        subfe r3, r2, r3
        blr

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23089 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoChanges to adjust to new ReplaceAllUsesWith syntax. Change FP_EXTEND to
Chris Lattner [Fri, 26 Aug 2005 18:37:23 +0000 (18:37 +0000)]
Changes to adjust to new ReplaceAllUsesWith syntax.  Change FP_EXTEND to
just return its input, instead of emitting an explicit copy.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23088 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoRevampt ReplaceAllUsesWith to be more efficient and easier to use.
Chris Lattner [Fri, 26 Aug 2005 18:36:28 +0000 (18:36 +0000)]
Revampt ReplaceAllUsesWith to be more efficient and easier to use.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23087 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAdd a new version of ReplaceAllUsesWith, make the comments more useful.
Chris Lattner [Fri, 26 Aug 2005 18:35:58 +0000 (18:35 +0000)]
Add a new version of ReplaceAllUsesWith, make the comments more useful.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23086 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoRemove some code made dead by the fsel patch
Nate Begeman [Fri, 26 Aug 2005 17:45:06 +0000 (17:45 +0000)]
Remove some code made dead by the fsel patch

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23085 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agonow that fsel is formed during legalization, this code is dead
Chris Lattner [Fri, 26 Aug 2005 17:40:39 +0000 (17:40 +0000)]
now that fsel is formed during legalization, this code is dead

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23084 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoimplement the other half of the select_cc -> fsel lowering, which handles
Chris Lattner [Fri, 26 Aug 2005 17:36:52 +0000 (17:36 +0000)]
implement the other half of the select_cc -> fsel lowering, which handles
when the RHS of the comparison is 0.0.  Turn this on by default.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23083 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix a bug in my previous checkin
Chris Lattner [Fri, 26 Aug 2005 17:18:44 +0000 (17:18 +0000)]
Fix a bug in my previous checkin

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23082 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoChange ConstantPoolSDNode to actually hold the Constant itself instead of
Chris Lattner [Fri, 26 Aug 2005 17:15:30 +0000 (17:15 +0000)]
Change ConstantPoolSDNode to actually hold the Constant itself instead of
putting it into the constant pool.  This allows the isel machinery to
create constants that it will end up deciding are not needed, without them
ending up in the resultant function constant pool.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23081 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix some warnings in an optimized build
Chris Lattner [Fri, 26 Aug 2005 16:38:51 +0000 (16:38 +0000)]
Fix some warnings in an optimized build

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23080 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix a huge annoyance: SelectNodeTo took types before the opcode unlike
Chris Lattner [Fri, 26 Aug 2005 16:36:26 +0000 (16:36 +0000)]
Fix a huge annoyance: SelectNodeTo took types before the opcode unlike
every other SD API.  Fix it to take the opcode before the types.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23079 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoChanged unsigned long to unsigned.
Jim Laskey [Fri, 26 Aug 2005 09:25:54 +0000 (09:25 +0000)]
Changed unsigned long to unsigned.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23078 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoChange unsigned lng to unsigned.
Jim Laskey [Fri, 26 Aug 2005 09:24:46 +0000 (09:24 +0000)]
Change unsigned lng to unsigned.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23077 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix JIT encoding of conditional branches
Nate Begeman [Fri, 26 Aug 2005 04:11:42 +0000 (04:11 +0000)]
Fix JIT encoding of conditional branches

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23076 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoadd initial support for converting select_cc -> fsel in the legalizer
Chris Lattner [Fri, 26 Aug 2005 00:52:45 +0000 (00:52 +0000)]
add initial support for converting select_cc -> fsel in the legalizer
instead of in the backend.  This currently handles fsel cases with registers,
but doesn't have the 0.0 and -0.0 optimization enabled yet.

Once this is finished, special hack for fp immediates can go away.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23075 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agothe 5th operand is the 4th number
Chris Lattner [Fri, 26 Aug 2005 00:43:46 +0000 (00:43 +0000)]
the 5th operand is the 4th number

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23074 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoSUBFIC produces two results, not one.
Nate Begeman [Fri, 26 Aug 2005 00:34:06 +0000 (00:34 +0000)]
SUBFIC produces two results, not one.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23073 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoImplement SHL_PARTS and SRL_PARTS
Nate Begeman [Fri, 26 Aug 2005 00:28:00 +0000 (00:28 +0000)]
Implement SHL_PARTS and SRL_PARTS

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23072 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAdd support for targets that want to custom expand select_cc in some cases.
Chris Lattner [Fri, 26 Aug 2005 00:23:59 +0000 (00:23 +0000)]
Add support for targets that want to custom expand select_cc in some cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23071 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAllow LowerOperation to return a null SDOperand in case it wants to lower
Chris Lattner [Fri, 26 Aug 2005 00:14:16 +0000 (00:14 +0000)]
Allow LowerOperation to return a null SDOperand in case it wants to lower
some things given to it, but not all.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23070 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoFix a nasty bug from a previous patch of mine
Chris Lattner [Fri, 26 Aug 2005 00:13:12 +0000 (00:13 +0000)]
Fix a nasty bug from a previous patch of mine

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23069 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoEmit the lo/hi parts in the right order :)
Chris Lattner [Thu, 25 Aug 2005 23:36:49 +0000 (23:36 +0000)]
Emit the lo/hi parts in the right order :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23068 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoAdded cl::bits option type (bit vectors). See "Collecting options as a set
Jim Laskey [Thu, 25 Aug 2005 23:31:45 +0000 (23:31 +0000)]
Added cl::bits option type (bit vectors).  See "Collecting options as a set
of flags" in the Command Line doc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23067 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agoimplement support for 64-bit add/sub, fix a broken assertion for 64-bit
Chris Lattner [Thu, 25 Aug 2005 23:21:06 +0000 (23:21 +0000)]
implement support for 64-bit add/sub, fix a broken assertion for 64-bit
return.  Allow the udiv breaker-upper to work with any non-zero constant
operand.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23066 91177308-0d34-0410-b5e6-96231b3b80d8

19 years agosimplify the add/sub_parts code
Chris Lattner [Thu, 25 Aug 2005 23:19:58 +0000 (23:19 +0000)]
simplify the add/sub_parts code

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23065 91177308-0d34-0410-b5e6-96231b3b80d8