6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-12-14 11:32:34 +00:00
Code Issues Projects Releases Wiki Activity
15,917 Commits 39 Branches 0 Tags 277 MiB
a564845f83
Commit Graph

3218 Commits

Author SHA1 Message Date
Chris Lattner
928b47ae2e Revamp long/ulong comparisons to use a much more efficient sequence (thanks 
to Brian and the Sun compiler for pointing out that the obvious works :)

This also enables folding all long comparisons into setcc and branch
instructions: before we could only do == and !=

For example, for:
void test(unsigned long long A, unsigned long long B) {
   if (A < B) foo();
 }

We now generate:

test:
        subl $4, %esp
        movl %esi, (%esp)
        movl 8(%esp), %eax
        movl 12(%esp), %ecx
        movl 16(%esp), %edx
        movl 20(%esp), %esi
        subl %edx, %eax
        sbbl %esi, %ecx
        jae .LBBtest_2  # UnifiedReturnBlock
.LBBtest_1:     # then
        call foo
        movl (%esp), %esi
        addl $4, %esp
        ret
.LBBtest_2:     # UnifiedReturnBlock
        movl (%esp), %esi
        addl $4, %esp
        ret

Instead of:

test:
        subl $12, %esp
        movl %esi, 8(%esp)
        movl %ebx, 4(%esp)
        movl 16(%esp), %eax
        movl 20(%esp), %ecx
        movl 24(%esp), %edx
        movl 28(%esp), %esi
        cmpl %edx, %eax
        setb %al
        cmpl %esi, %ecx
        setb %bl
        cmove %ax, %bx
        testb %bl, %bl
        je .LBBtest_2   # UnifiedReturnBlock
.LBBtest_1:     # then
        call foo
        movl 4(%esp), %ebx
        movl 8(%esp), %esi
        addl $12, %esp
        ret
.LBBtest_2:     # UnifiedReturnBlock
        movl 4(%esp), %ebx
        movl 8(%esp), %esi
        addl $12, %esp
        ret


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18330 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-29 05:55:24 +00:00
Tanya Lattner
58fe2f0734 Reworked branching so we don't handle BAs specially. It just updates the branchTO regardless of what type of branch it is. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18322 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-29 04:39:47 +00:00
Tanya Lattner
28e5eabf65 Fixed bug where instructions in the kernel were not ordered right to preserve dependencies in a cycle. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18314 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-28 23:36:15 +00:00
Chris Lattner
9d0087e043 The LLVM bool type shall have 1 byte alignment on PPC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18311 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-28 21:16:45 +00:00
Nate Begeman
3330e08888 Remove the ISel->AsmPrinter link via the TargetMachine that was put in 
place to help bring up the PowerPC back end on Darwin.  This code is no
longer serves any purpose now that the AsmPrinter does the right thing
all the time printing GlobalValues.  --Cruft.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18267 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-27 04:45:11 +00:00
Chris Lattner
15ee8adb00 There is no reason to store <x,x>, just store <x>. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18263 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-26 20:25:17 +00:00
Nate Begeman
d4c8bea47f Enable optimization suggested by Chris Lattner to not emit reloc stubs for 
static global variables whose addresses are taken.  This allows us to
convert the following code for taking the address of a static function foo

        addis r2, r30, ha16(Ll1__2E_foo_2$non_lazy_ptr-"L00001$pb")
        lwz r3, lo16(Ll1__2E_foo_2$non_lazy_ptr-"L00001$pb")(r2)

which also includes linker stub code emitted at the end of the .s file not
shown here, and replace it with this:

        addis r2, r30, ha16(l1__2E_foo_2-"L00001$pb")
        la r3, lo16(l1__2E_foo_2-"L00001$pb")(r2)

which in addition to not needing linker help, also has no load instruction.
For those not up on PowerPC mnemonics, la is shorthand for add immediate.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18239 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-25 07:09:01 +00:00
Chris Lattner
fde839b4ff Fix the build on non ppc machines 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18235 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-25 06:14:45 +00:00
Chris Lattner
2a0c0dff0b The JIT works enough 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18228 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-25 04:14:54 +00:00
Chris Lattner
5cbf3bc202 Fix encoding of fsel, fixing olden/power, McCat/bisort and several others. 
All of Olden passes now! :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18227 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-25 04:11:07 +00:00
Chris Lattner
a1ab451392 Fix encoding of fneg instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18226 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-25 03:53:44 +00:00
Chris Lattner
cd61ec837f Fix encoding of swari, fixing several programs, including Olden/mst 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18225 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-25 03:40:20 +00:00
Chris Lattner
b752a97ca4 There is not a 1-1 mappign between llvm blocks and PPC blocks, do not use 
LLVM blocks as the keys for the branch rewriter.  This fixes treeadd and
many other programs with the JIT.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18223 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-25 00:33:57 +00:00
Chris Lattner
5efb75daed * Rename existing relocations to be more specific 
* Add relocations for refernces to non-lazy darwin stubs and implement
  them correctly.

With this change, we can correctly references external globals, and now
all but two UnitTests and all but 1 Regression/C tests pass.

More importantly, bugpoint-jit will start giving us useful testcases,
instead of always telling us that references to external globals don't
work :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18222 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 22:30:08 +00:00
Nate Begeman
53e4aa57c6 Add the same optimization that we do loading from fixed alloca slots to 
storing to fixed alloca slots.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18221 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 21:53:14 +00:00
Chris Lattner
73278080c8 Write CompilationCallback as an explicit assembly stub to avoid getting GCC's 
prolog.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18220 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 21:01:46 +00:00
Chris Lattner
892afa9556 When rewriting the original call instruction, make sure to rewrite it to 
call the right address.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18213 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 18:00:02 +00:00
Chris Lattner
fb887e010d Force the intregs ptr into R2 and the FPregs ptr into R3. This fixes a really 
obscure problem where we were doing:

lmw     r3,0(r9)

which is undefined on PPC.  Now we do:

lmw     r3,0(r2)

by force, not relying on the GCC register allocator for luck :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18212 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 17:42:55 +00:00
Brian Gaeke
e4ed742588 Update list of failing benchmarks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18202 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 04:07:42 +00:00
Brian Gaeke
31e575901f Fix bug in emitGEPOperation with large struct-member offsets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18201 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 04:07:33 +00:00
Chris Lattner
69efbdd4f3 Fix a few more tests by encoding the extsb and other XForm11 instructions 
correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18200 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 03:52:02 +00:00
Chris Lattner
2f5091ac2a Fix the encoding of ORi and other DForm4 instructions. This brings us to 
36/42 SingleSource/UnitTests passing!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18199 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 02:15:41 +00:00
Chris Lattner
00a8c01999 Loads are relocatable too 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18198 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 02:03:44 +00:00
Chris Lattner
b765ff1219 Calls do not need a MovPCtoLR instruction 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18197 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 02:00:06 +00:00
Chris Lattner
b9f26da5dd Get constant pools working. This fixes even more programs, allowing us to 
pass 24/42 in UnitTests (up from 20).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18196 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 01:56:12 +00:00
Tanya Lattner
a6ec8f5548 Forced branches to be first to be scheduled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18195 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 01:49:10 +00:00
Chris Lattner
8599d385a2 Rewrite branches more closely to correct. This makes more stuff pass, and 
stops the infinite loops!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18194 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 01:35:12 +00:00
Chris Lattner
310a752872 Branch instructions explicitly represent CRx in them. bEcause of this, encode 
them explicitly as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18193 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 01:15:19 +00:00
Nate Begeman
3b78e3b6a9 Fix encoding of bctrl, and remove some unused instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18192 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-24 00:16:37 +00:00
Chris Lattner
6f407893e2 Fix encoding of blr and bctr 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18178 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 22:06:24 +00:00
Nate Begeman
65b7f3ed2a Use the correct register class as a constaint to gcc's inline assembly, so 
that we don't end up trying to use r0 as a base register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18176 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 21:37:22 +00:00
Nate Begeman
ca6d0f53ff Save/Restore arg regs and nonvolatile regs the compiler might use during 
CompilationCallback


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18175 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 21:34:18 +00:00
Chris Lattner
5afa9af81b Fix the encoding of OR, AND and many other instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18174 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 21:17:35 +00:00
Brian Gaeke
88108b8cfa Support shr long/ulong. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18173 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 21:10:50 +00:00
Brian Gaeke
4dd043f090 Support printing ConstantAggregateZeros. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18172 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 21:10:49 +00:00
Brian Gaeke
8a0c4fd0c6 Update failing SingleSource test-case list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18171 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 21:10:48 +00:00
Chris Lattner
d162032013 Remove argtype and argcount magic, which was used by the old asmprinter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18170 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 20:41:34 +00:00
Chris Lattner
583e32b653 Get rid of flags that are dead 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18169 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 20:37:41 +00:00
Chris Lattner
89d60de90e Fix encoding of rlwinm? 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18165 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 19:23:32 +00:00
Chris Lattner
943f45208c Fix encodings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18164 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 19:23:18 +00:00
Chris Lattner
9ba12359e3 Enumerate CR registers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18162 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 18:59:59 +00:00
Chris Lattner
d9d06b3af1 Initial implementation of exiting CompilationCallback 
This should save all argument registers on entry and restore on exit, despite
that, simple things seem to work!!!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18161 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 18:49:46 +00:00
Chris Lattner
22cd028eef This method is dead 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18160 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 18:47:55 +00:00
Chris Lattner
05ad23711e Remove this method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18159 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 18:47:42 +00:00
Chris Lattner
adbcc1025e Squelch a bogus warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18157 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 15:57:01 +00:00
Chris Lattner
d7fa35c6d2 Squelch a bogus warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18156 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 15:56:38 +00:00
Nate Begeman
dd30751654 Don't return value from void function. This is only temporary anyway while 
the JIT is made to work!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18155 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 10:04:49 +00:00
Brian Gaeke
fbe558c993 pseudocode for 64-bit lshr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18154 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 08:14:09 +00:00
Chris Lattner
7598bbac66 Fix a minor bug 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18153 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 06:56:31 +00:00
Chris Lattner
c9a6b1f4f6 Be really paranoid about not breaking stuff yet 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18152 91177308-0d34-0410-b5e6-96231b3b80d8
 2004-11-23 06:56:18 +00:00