Commit Graph

1173 Commits

Author SHA1 Message Date
Evan Cheng 3b0f5e4d61 - Add target lowering hooks that specify which setcc conditions are illegal,
i.e. conditions that cannot be checked with a single instruction. For example,
SETONE and SETUEQ on x86.
- Teach legalizer to implement *illegal* setcc as a and / or of a number of
legal setcc nodes. For now, only implement FP conditions. e.g. SETONE is
implemented as SETO & SETNE, SETUEQ is SETUO | SETEQ.
- Move x86 target over.

llvm-svn: 57542
2008-10-15 02:05:31 +00:00
Dan Gohman 56b6885104 When doing the very-late shift-and address-mode optimization,
create a new DAG node to represent the new shift to keep the
DAG consistent, even though it'll almost always be folded into
the address.

If a user of the resulting address has multiple uses, the
nodes may get revisited by a later MatchAddress call, in which
case DAG inconsistencies do matter.

This fixes PR2849.

llvm-svn: 57465
2008-10-13 20:52:04 +00:00
Evan Cheng da9b752883 FIX PR2794. Make sure SIGN_EXTEND_INREG nodes introduced by LegalizeSetCCOperands are leglized. Patch by Richard Pennington.
llvm-svn: 57460
2008-10-13 18:46:18 +00:00
Evan Cheng 4c499c4fa6 Also update sub-register intervals after a trivial computation is rematt'ed for a copy instruction. PR2775.
llvm-svn: 57458
2008-10-13 18:35:52 +00:00
Evan Cheng 762f0f53ec Add a test case for _Complex passed as a FCA.
llvm-svn: 57456
2008-10-13 18:13:07 +00:00
Chris Lattner 2753955fc0 Change CALLSEQ_BEGIN and CALLSEQ_END to take TargetConstant's as
parameters instead of raw Constants.  This prevents the constants from
being selected by the isel pass, fixing PR2735.

llvm-svn: 57385
2008-10-11 22:08:30 +00:00
Anton Korobeynikov a0cce200c5 Add testcase for 'r' inline asm operand
llvm-svn: 57361
2008-10-10 20:28:59 +00:00
Anton Korobeynikov b36d3b2bb7 This does not fail anymore
llvm-svn: 57360
2008-10-10 20:28:32 +00:00
Anton Korobeynikov e6b3093b18 Add sparc test for memory operand used in inline asm
llvm-svn: 57348
2008-10-10 10:15:33 +00:00
Anton Korobeynikov b3692f7d38 This is not failing anymore
llvm-svn: 57347
2008-10-10 10:15:18 +00:00
Chris Lattner 1a84f86271 get CodeGen/Alpha/mul128.ll to work.
llvm-svn: 57318
2008-10-09 04:50:56 +00:00
Dan Gohman 60ad173dfe Remove -disable-fast-isel. Use cl::boolOrDefault with -fast-isel
instead.

So now: -fast-isel or -fast-isel=true enable fast-isel, and
-fast-isel=false disables it. Fast-isel is also on by default
with -fast, and off by default otherwise.

llvm-svn: 57270
2008-10-07 23:00:56 +00:00
Dan Gohman b8118fd432 Add a testcase for i256 add. i256 isn't fully supported in
codegen right now, but add and subtract work.

llvm-svn: 57260
2008-10-07 20:39:12 +00:00
Andrew Lenharth 83f5f40b6a 128 mul test, xfailed
llvm-svn: 57250
2008-10-07 17:13:32 +00:00
Anders Carlsson 1699ad9030 Certain patterns involving the "movss" instruction were marked as requiring SSE2, when in reality movss is an SSE1 instruction.
llvm-svn: 57246
2008-10-07 16:14:11 +00:00
Andrew Lenharth 3a9be150be Expand arith on machines without carry flags
llvm-svn: 57243
2008-10-07 14:15:42 +00:00
Chris Lattner 315e3c0e64 no need to write the output to the disk
llvm-svn: 57232
2008-10-07 04:06:55 +00:00
Andrew Lenharth 3b893a905e Add test case for ADDC ADDE expansion
llvm-svn: 57228
2008-10-07 02:30:13 +00:00
Dale Johannesen 6c6729f3a8 Be more precise about which conversions of NaNs
are Inexact.  (These are not Inexact as defined
by IEEE754, but that seems like a reasonable way
to abstract what happens:  information is lost.)

llvm-svn: 57218
2008-10-06 22:59:10 +00:00
Evan Cheng 94d14f2d45 Fix PR2850 and PR2863. Only generate movddup for 128-bit SSE vector shuffles.
llvm-svn: 57210
2008-10-06 21:13:08 +00:00
Anton Korobeynikov b52ef06c8c Revert r56675 - it breaks unwinding runtime everywhere.
llvm-svn: 57048
2008-10-04 11:09:36 +00:00
Dan Gohman 78bb44fcd4 Fix a bug in the local allocator's liveness computation where it
was setting kill flags on tied uses in two-address instructions.
The kill flags were causing the allocator to think it could
allocate the use and its tied def in different registers.

llvm-svn: 57039
2008-10-04 00:31:14 +00:00
Dale Johannesen 867d549fce Handle some 64-bit atomics on x86-32, some of the time.
llvm-svn: 56963
2008-10-02 18:53:47 +00:00
Dan Gohman 88536398ff Fix a think-o in isSafeToMove. This fixes it from thinking that
volatile memory references are safe to move.

llvm-svn: 56948
2008-10-02 15:04:30 +00:00
Dan Gohman dfc507d2b5 Disable fast-isel for this test, as it doesn't emit the same
number of instructions.

llvm-svn: 56940
2008-10-01 23:48:35 +00:00
Devang Patel 1b76f2c40b Remove OptimizeForSize global. Use function attribute optsize.
llvm-svn: 56937
2008-10-01 23:18:38 +00:00
Dan Gohman 5c8c00af1f Split this test and move it into target-specific directories.
This fixes failures on configurations that don't have one or the
other targets enabled.

llvm-svn: 56926
2008-10-01 19:46:30 +00:00
Dan Gohman 7354227de0 nounwind-ify this test.
llvm-svn: 56918
2008-10-01 15:07:14 +00:00
Bill Wendling 920f6d588e Moved this option to the front-end.
llvm-svn: 56901
2008-10-01 01:02:18 +00:00
Dan Gohman 1df16dff64 Use explicit target-triples to unbreak this test on non-darwin systems.
llvm-svn: 56896
2008-10-01 00:25:38 +00:00
Bill Wendling 1782584f56 Just don't transform this memset into "bzero" if no-builtin is specified.
llvm-svn: 56888
2008-09-30 22:05:33 +00:00
Bill Wendling e818bc159f - Initialize "--no-builtin" to "false".
- Testcase for r56885.

llvm-svn: 56886
2008-09-30 21:40:30 +00:00
Evan Cheng 9156bd2f48 Re-apply 56835 along with header file changes.
llvm-svn: 56848
2008-09-30 15:44:16 +00:00
Duncan Sands 2b9adce1d0 Revert commit 56835 since it breaks the build.
"If a re-materializable instruction has a register
operand, the spiller will change the register operand's
spill weight to HUGE_VAL to avoid it being spilled.
However, if the operand is already in the queue ready
to be spilled, avoid re-materializing it".

llvm-svn: 56837
2008-09-30 10:00:30 +00:00
Evan Cheng 9469049f7d If a re-materializable instruction has a register operand, the spiller will change the register operand's spill weight to HUGE_VAL to avoid it being spilled. However, if the operand is already in the queue ready to be spilled, avoid re-materializing it.
llvm-svn: 56835
2008-09-30 06:36:58 +00:00
Evan Cheng 82237f2f42 Fix PR2835. Do not change the width of a volatile load.
llvm-svn: 56792
2008-09-29 17:26:18 +00:00
Evan Cheng 3774b2f292 Re-apply 56683 with fixes.
llvm-svn: 56748
2008-09-27 01:56:22 +00:00
Devang Patel 9eb525d4f9 Implement function notes as function attributes.
llvm-svn: 56716
2008-09-26 23:51:19 +00:00
Evan Cheng 7d6fa97567 Implement "punpckldq %xmm0, $xmm0" as "pshufd $0x50, %xmm0, %xmm" unless optimizing for code size.
llvm-svn: 56711
2008-09-26 23:41:32 +00:00
Bill Wendling c966a737c5 Temporarily reverting r56683. This is causing a failure during the build of llvm-gcc:
/Volumes/Gir/devel/llvm/clean/llvm-gcc.obj/./gcc/xgcc -B/Volumes/Gir/devel/llvm/clean/llvm-gcc.obj/./gcc/ -B/Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/bin/ -B/Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/lib/ -isystem /Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/include -isystem /Volumes/Gir/devel/llvm/clean/llvm-gcc.install/i386-apple-darwin9.5.0/sys-include -mmacosx-version-min=10.4 -O2  -O2 -g -O2  -DIN_GCC    -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition  -isystem ./include  -fPIC -pipe -g -DHAVE_GTHR_DEFAULT -DIN_LIBGCC2 -D__GCC_FLOAT_NOT_NEEDED  -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include  -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Gir/devel/llvm/clean/llvm.obj/include -I/Volumes/Gir/devel/llvm/clean/llvm.src/include -fexceptions -fvisibility=hidden -DHIDE_EXPORTS -c ../../llvm-gcc.src/gcc/unwind-dw2-fde-darwin.c -o libgcc/./unwind-dw2-fde-darwin.o
Assertion failed: (TargetRegisterInfo::isVirtualRegister(regA) && TargetRegisterInfo::isVirtualRegister(regB) && "cannot update physical register live information"), function runOnMachineFunction, file /Volumes/Gir/devel/llvm/clean/llvm.src/lib/CodeGen/TwoAddressInstructionPass.cpp, line 311.
../../llvm-gcc.src/gcc/unwind-dw2.c:1527: internal compiler error: Abort trap
Please submit a full bug report,
with preprocessed source if appropriate.
See <URL:http://developer.apple.com/bugreporter> for instructions.
{standard input}:3521:non-relocatable subtraction expression, "_dwarf_reg_size_table" minus "L20$pb"
{standard input}:3521:symbol: "_dwarf_reg_size_table" can't be undefined in a subtraction expression
{standard input}:3520:non-relocatable subtraction expression, "_dwarf_reg_size_table" minus "L20$pb"
...

llvm-svn: 56703
2008-09-26 22:10:44 +00:00
Evan Cheng d77cbe8947 Fix @llvm.frameaddress codegen. FP elimination optimization should be disabled when frame address is desired. Also add support for depth > 0.
llvm-svn: 56683
2008-09-26 19:48:35 +00:00
Evan Cheng 994dd0bbec Avoid spilling EBP / RBP twice in the prologue.
llvm-svn: 56675
2008-09-26 19:14:21 +00:00
Evan Cheng 9dbe45c000 Prefer movlhps over punpcklqdq, etc. in more cases.
llvm-svn: 56627
2008-09-25 23:35:16 +00:00
Evan Cheng 74c9ed91b0 With sse3 and when the source is a load or has multiple uses, favors movddup over shuffp*, pshufd, etc. Without sse3 or when the source is from a register, make use of movlhps
llvm-svn: 56620
2008-09-25 20:50:48 +00:00
Dale Johannesen c50ada2f56 Accept 'inreg' attribute on x86 functions as
meaning sse_regparm (i.e. float/double values go
in XMM0 instead of ST0).  Update documentation
to reflect reality.

llvm-svn: 56619
2008-09-25 20:47:45 +00:00
Evan Cheng f8ead16b50 Fix patterns for SSE4.1 move and sign extend instructions. Also add instructions which fold VZEXT_MOVL and VZEXT_LOAD.
llvm-svn: 56594
2008-09-24 23:27:55 +00:00
Dale Johannesen 86d421df23 Remove SelectionDag early allocation of registers
for earlyclobbers.  Teach Local RA about earlyclobber,
and add some tests for it.

llvm-svn: 56592
2008-09-24 23:13:09 +00:00
Evan Cheng e0add20c1b Properly handle 'm' inline asm constraints. If a GV is being selected for the addressing mode, it requires the same logic for PIC relative addressing, etc.
llvm-svn: 56526
2008-09-24 00:05:32 +00:00
Evan Cheng 9e9426cb82 Support x86 specific inline asm modifier 'J'.
llvm-svn: 56483
2008-09-22 23:57:37 +00:00
Arnold Schwaighofer 796a271c5f Change the calling convention used when tail call optimization is enabled from CC_X86_32_TailCall to CC_X86_32_FastCC.
llvm-svn: 56436
2008-09-22 14:50:07 +00:00