Commit Graph

7870 Commits

Author SHA1 Message Date
Craig Topper
47cf1003fa Reorder a bunch of patterns to put the AVX version first thus giving it priority over the SSE version. Another step towards trying to remove the AVX hack that disables SSE from X86Subtarget.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147768 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-09 08:10:38 +00:00
Craig Topper
5feb5dae93 Clean up patterns for MOVNT*. Not sure why there were floating point types on MOVNTPS and MOVNTDQ. And v4i64 was completely missing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147767 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-09 06:52:46 +00:00
Craig Topper
8974cd85cc Mark MOVNTI as being supported in SSE2 OR AVX mode. This instruction has no AVX equivalent so we should use the SSE version.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147766 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-09 06:38:55 +00:00
Craig Topper
dfa5f573e7 Move SSE2 logical operations PAND/POR/PXOR/PANDN above SSE1 logical operations ANDPS/ORPS/XORPS/ANDNPS. This fixes a pattern ordering issue that meant that the SSE2 instructions could never be directly selected since the SSE1 patterns would always match first. This is largely moot with the ExeDepsFix pass, but I'm trying to audit for all such ordering issues.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147765 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-09 05:07:01 +00:00
Craig Topper
6202e45d53 Change some places that were checking for AVX OR SSE1/2 to use hasXMM/hasXMMInt instead. Also fix one place that checked SSE3, but accidentally excluded AVX to use hasSSE3orAVX. This is a step towards removing the AVX hack from the X86Subtarget.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147764 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-09 02:28:15 +00:00
Craig Topper
39f227e4dd Don't disable MMX support when AVX is enabled. Fix predicates for MMX instructions that were added along with SSE instructions to check for AVX in addition to SSE level.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147762 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-09 00:11:29 +00:00
Craig Topper
a8224ddf80 Enable FISTTP* instructions when AVX is enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147758 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-08 23:04:21 +00:00
Victor Umansky
435d0bd09d Reverted commit #147601 upon Evan's request.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147748 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-08 17:20:33 +00:00
Craig Topper
eb3d460b25 Fix typo in the X86 backend readme. Patch from Jaeden Amero.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147739 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-07 20:35:21 +00:00
Benjamin Kramer
f321e1075e Remove VectorExtras. This unused helper was written for a type of API that is discouraged now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147738 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-07 19:42:13 +00:00
Craig Topper
272cc580f8 Remove unnecessary check of hasAVX(). It's already included in hasXMM().
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147734 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-07 18:48:43 +00:00
Eric Christopher
5548755201 Make the 'x' constraint work for AVX registers as well.
Fixes rdar://10614894

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147704 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-07 01:02:09 +00:00
Craig Topper
193cf04f5b Mark scalar FMA4 instructions as ignoring the VEX.L bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147602 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-05 08:56:10 +00:00
Victor Umansky
19d8559019 Peephole optimization of ptest-conditioned branch in X86 arch. Performs instruction combining of sequences generated by ptestz/ptestc intrinsics to ptest+jcc pair for SSE and AVX.
Testing: passed 'make check' including LIT tests for all sequences being handled (both SSE and AVX)

Reviewers: Evan Cheng, David Blaikie, Bruno Lopes, Elena Demikhovsky, Chad Rosier, Anton Korobeynikov



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147601 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-05 08:46:19 +00:00
Bill Wendling
397ae210ce Replace the uint64_t -> double convertion algorithm with one that's more efficient.
This small bit of ASM code is sufficient to do what the old algorithm did:

     movq       %rax,  %xmm0
     punpckldq  (c0),  %xmm0  // c0: (uint4){ 0x43300000U, 0x45300000U, 0U, 0U }
     subpd      (c1),  %xmm0  // c1: (double2){ 0x1.0p52, 0x1.0p52 * 0x1.0p32 }
   #ifdef __SSE3__
     haddpd   %xmm0, %xmm0          
   #else
     pshufd   $0x4e, %xmm0, %xmm1 
     addpd    %xmm1, %xmm0
   #endif

It's arguably faster. One caveat, the 'haddpd' instruction isn't very fast on
all processors.
<rdar://problem/7719814>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147593 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-05 02:13:20 +00:00
Benjamin Kramer
a5f8942e05 Silence warnings of a mysterious compiler that still defaults to C89.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147553 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-04 22:06:45 +00:00
Evan Cheng
56f582d664 For x86, canonicalize max
(x > y) ? x : y
=>
(x >= y) ? x : y

So for something like
(x - y) > 0 : (x - y) ? 0
It will be
(x - y) >= 0 : (x - y) ? 0

This makes is possible to test sign-bit and eliminate a comparison against
zero. e.g.
subl   %esi, %edi
testl  %edi, %edi
movl   $0, %eax
cmovgl %edi, %eax
=>
xorl   %eax, %eax
subl   %esi, $edi
cmovsl %eax, %edi

rdar://10633221


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147512 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-04 01:41:39 +00:00
Chad Rosier
b90d2a9046 Fix 80-column violations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147495 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-03 23:19:12 +00:00
Nadav Rotem
c2d064f028 Revert 147426 because it caused pr11696.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147485 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-03 22:19:42 +00:00
Chad Rosier
3d1161e9ae Enhance DAGCombine for transforming 128->256 casts into a vmovaps, rather
then a vxorps + vinsertf128 pair if the original vector came from a load.
rdar://10594409

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147481 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-03 21:05:52 +00:00
Devang Patel
b1666b971e Intel style asm variant does not need '%' prefix.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147453 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-03 18:22:10 +00:00
Craig Topper
c612d79817 Miscellaneous shuffle lowering cleanup. No functional changes. Primarily converting the indexing loops to unsigned to be consistent across functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147430 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-02 09:17:37 +00:00
Craig Topper
a51bb3aa75 Make CanXFormVExtractWithShuffleIntoLoad reject loads with multiple uses. Also make it return false if there's not even a load at all. This makes the code better match the code in DAGCombiner that it tries to match. These two changes prevent some cases where vector_shuffles were making it to instruction selection and causing the older shuffle selection code to be triggered. Also needed to fix a bad pattern that this change exposed. This is the first step towards getting rid of the old shuffle selection support. No test cases yet because there's no way to tell whether a shuffle was handled in the legalize stage or at instruction selection.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147428 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-02 08:46:48 +00:00
Nadav Rotem
a46f35d3d6 Optimize the sequence blend(sign_extend(x)) to blend(shl(x)) since SSE blend instructions only look at the highest bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147426 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-02 08:05:46 +00:00
Craig Topper
a86bcfb565 Allow CRC32 instructions to be selected when AVX is enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147411 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-01 19:51:58 +00:00
Craig Topper
de9e4c728e Fix sfence, lfence, mfence, and clflush to be able to be selected when AVX is enabled. Fix monitor and mwait to require SSE3 or AVX, previously they worked even if SSE3 was disabled. Make prefetch instructions not set the execution domain since they don't use XMM registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147409 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-01 19:40:22 +00:00
Benjamin Kramer
8943574b44 X86Disassembler: Fix undefined behavior found by GCC 4.6
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147404 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-01 17:55:36 +00:00
Craig Topper
b3982da7d2 Merge X86 SHUFPS and SHUFPD node types.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147394 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-31 23:50:21 +00:00
Craig Topper
3ee6d22c78 Add patterns for integer forms of SHUFPD/VSHUFPD with a memory load.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147393 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-31 23:24:49 +00:00
Craig Topper
e00805d52f Fix typo in a SHUFPD and VSHUFPD pattern that prevented SHUFPD/VSHUFPD with a load from being selected.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147392 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-31 23:15:11 +00:00
Craig Topper
7ba2725f5d Make FMA4 imply AVX so that YMM registers would be available. Necessitates removing from Bulldozer CPU types since it would enable AVX code generation implicitly. Also make SSE4A imply SSE3. Without some level of SSE implied, XMM registers wouldn't be legal.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147369 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-30 07:16:00 +00:00
Craig Topper
06f554d06a Add disassembler support for VPERMIL2PD and VPERMIL2PS.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147368 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-30 06:23:39 +00:00
Craig Topper
e6a3a2990e Add FMA4 instructions to disassembler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147367 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-30 05:20:36 +00:00
Craig Topper
5d1a38cbfa Separate the concept of having memory access in operand 4 from the concept of having the W bit set for XOP instructons. Removes ORing W-bits in the encoder and will similarly simplify the disassembler implementation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147366 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-30 04:48:54 +00:00
Craig Topper
4d5c4423b9 Combine FMA4 SS/SD patterns with the instruction definitions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147365 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-30 03:33:59 +00:00
Craig Topper
ca28590d8b Combine FMA4 PS/PD patterns with the instruction definitions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147364 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-30 03:17:15 +00:00
Craig Topper
2e9ed29449 Change FMA4 memory forms to use memopv* instead of alignedloadv*. No need to force alignment on these instructions. Add a couple testcases for memory forms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147361 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-30 02:18:36 +00:00
Craig Topper
57d4b3315f Fix load size for FMA4 SS/SD instructions. They need to use f32 and f64 size, but with the special handling to be compatible with the intrinsic expecting a vector. Similar handling is already used elsewhere.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147360 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-30 01:49:53 +00:00
Craig Topper
1604ccfc01 Fix execution domains for PS/PD FMA3 instructions. Add SS/SD forms o FMA3 instructions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147353 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-29 20:43:40 +00:00
Craig Topper
19f18be449 Expose FMA3 instructions to the disassembler.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147351 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-29 20:03:14 +00:00
Craig Topper
c38fff4277 Make FMA3 imply AVX needs to be enabled. Particularly because 256-bit types aren't valid unless AVX is enabled.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147349 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-29 19:46:19 +00:00
Craig Topper
5ebee4494b Change XOP detection to use the correct CPUID bit instead of using the FMA4 bit.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147348 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-29 19:25:56 +00:00
Craig Topper
8493e39014 Add FeaturePOPCNT to all CPU types that lost it was removed from SSE42/SSE4A in r147339.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147347 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-29 18:47:31 +00:00
Craig Topper
b75f5f7d5d Mark non-VEX forms of PCLMUL instructions as requiring SSE2 to be enabled along with CLMUL. That's required for the XMM registers to be valid for integer data. Doesn't change any behavior since the CLMUL instructions don't have patterns yet.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147345 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-29 18:08:36 +00:00
Craig Topper
78be212d1b Mark non-VEX forms of AES instructions as requiring SSE2 to be enabled along with AES. Since that's required for the XMM registers to be valid for integer data. Doesn't change any behavior though since you can't use an intrinsic with an illegal type anyway. Just makes it consistent with the VEX forms.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147344 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-29 18:00:08 +00:00
Craig Topper
d65c7da5b0 Remove the separate explicit AES instruction patterns. They are equivalent to the patterns specified by the instructions. Also remove unnecessary bitconverts from the AES patterns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147342 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-29 17:41:56 +00:00
Craig Topper
d4d3513d37 Make SSE42 and SSE4A not imply POPCNT. POPCNT should be able to be disabled on its own without disabling SSE4.2 or SSE4A.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147339 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-29 15:51:45 +00:00
Craig Topper
19ec2a9db1 Make LowerBUILD_VECTOR keep node vector types consistent when creating MOVL for v16i16 and v32i8.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147337 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-29 03:34:54 +00:00
Craig Topper
d62c16e535 Remove some elses after returns.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147336 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-29 03:20:51 +00:00
Craig Topper
3224e6b60a Remove trailing spaces. Fix an assert to use && instead of || before string. Add same assert on similar code path.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147335 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-29 03:09:33 +00:00