6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-01-16 14:31:59 +00:00
Code Issues Projects Releases Wiki Activity

[X86] Separate DAG node for valign and palignr

Browse Source 
They have different semantics (valign is interlane while palingr is intralane)
and palingr is still needed even in the AVX512 context.  According to the
latest spec AVX512BW provides these.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214887 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Adam Nemet 2014-08-05 17:22:55 +00:00
parent fd52de3695
commit b4d58974c3
3 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
lib/Target/X86/X86ISelLowering.cpp
View File

@ -17080,6 +17080,7 @@ const char *X86TargetLowering::getTargetNodeName(unsigned Opcode) const {
case X86ISD::PACKSS: return "X86ISD::PACKSS";
case X86ISD::PACKUS: return "X86ISD::PACKUS";
case X86ISD::PALIGNR: return "X86ISD::PALIGNR";
case X86ISD::VALIGN: return "X86ISD::VALIGN";
case X86ISD::PSHUFD: return "X86ISD::PSHUFD";
case X86ISD::PSHUFHW: return "X86ISD::PSHUFHW";
case X86ISD::PSHUFLW: return "X86ISD::PSHUFLW";

3
lib/Target/X86/X86ISelLowering.h
View File

@ -320,7 +320,10 @@ namespace llvm {
// Several flavors of instructions with vector shuffle behaviors.
PACKSS,
PACKUS,
// Intra-lane alignr
PALIGNR,
// AVX512 inter-lane alignr
VALIGN,
PSHUFD,
PSHUFHW,
PSHUFLW,

1
lib/Target/X86/X86InstrFragmentsSIMD.td
View File

@ -203,6 +203,7 @@ def SDTFma : SDTypeProfile<1, 3, [SDTCisSameAs<0,1>,
SDTCisSameAs<1,2>, SDTCisSameAs<1,3>]>;
def X86PAlignr : SDNode<"X86ISD::PALIGNR", SDTShuff3OpI>;
def X86VAlign : SDNode<"X86ISD::VALIGN", SDTShuff3OpI>;
def X86PShufd : SDNode<"X86ISD::PSHUFD", SDTShuff2OpI>;
def X86PShufhw : SDNode<"X86ISD::PSHUFHW", SDTShuff2OpI>;