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Add llvm.x86.* intrinsics for Intel SHA Extensions 

Add llvm.x86.* intrinsics for all of the Intel SHA Extensions instructions, as
well as tests. Also remove mayLoad and hasSideEffects, which can be inferred
from the instruction patterns.

llvm-svn: 190864
This commit is contained in:
Ben Langmuir 2013-09-17 13:44:39 +00:00
parent bc86efb89d
commit de39520f79
2 changed files with 47 additions and 14 deletions
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21
llvm/include/llvm/IR/IntrinsicsX86.td
View File

@ -2881,3 +2881,24 @@ let TargetPrefix = "x86" in {
Intrinsic<[llvm_v16i32_ty], [llvm_v16i32_ty, llvm_v16i32_ty],
[IntrNoMem]>;
}
//===----------------------------------------------------------------------===//
// SHA intrinsics
let TargetPrefix = "x86" in {
def int_x86_sha1rnds4 : GCCBuiltin<"__builtin_ia32_sha1rnds4">,
Intrinsic<[llvm_v4i32_ty], [llvm_v4i32_ty, llvm_v4i32_ty, llvm_i8_ty],
[IntrNoMem]>;
def int_x86_sha1nexte : GCCBuiltin<"__builtin_ia32_sha1nexte">,
Intrinsic<[llvm_v4i32_ty], [llvm_v4i32_ty, llvm_v4i32_ty], [IntrNoMem]>;
def int_x86_sha1msg1 : GCCBuiltin<"__builtin_ia32_sha1msg1">,
Intrinsic<[llvm_v4i32_ty], [llvm_v4i32_ty, llvm_v4i32_ty], [IntrNoMem]>;
def int_x86_sha1msg2 : GCCBuiltin<"__builtin_ia32_sha1msg2">,
Intrinsic<[llvm_v4i32_ty], [llvm_v4i32_ty, llvm_v4i32_ty], [IntrNoMem]>;
def int_x86_sha256rnds2 : GCCBuiltin<"__builtin_ia32_sha256rnds2">,
Intrinsic<[llvm_v4i32_ty], [llvm_v4i32_ty, llvm_v4i32_ty, llvm_v4i32_ty],
[IntrNoMem]>;
def int_x86_sha256msg1 : GCCBuiltin<"__builtin_ia32_sha256msg1">,
Intrinsic<[llvm_v4i32_ty], [llvm_v4i32_ty, llvm_v4i32_ty], [IntrNoMem]>;
def int_x86_sha256msg2 : GCCBuiltin<"__builtin_ia32_sha256msg2">,
Intrinsic<[llvm_v4i32_ty], [llvm_v4i32_ty, llvm_v4i32_ty], [IntrNoMem]>;
}

40
llvm/lib/Target/X86/X86InstrSSE.td
View File

@ -7395,37 +7395,49 @@ let Constraints = "$src1 = $dst" in {
// SHA-NI Instructions
//===----------------------------------------------------------------------===//
multiclass SHAI_binop<bits<8> Opc, string OpcodeStr> {
multiclass SHAI_binop<bits<8> Opc, string OpcodeStr, Intrinsic IntId,
bit UsesXMM0 = 0> {
def rr : I<Opc, MRMSrcReg, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2),
!strconcat(OpcodeStr, "\t{$src2, $dst|$dst, $src2}"), []>, T8;
!strconcat(OpcodeStr, "\t{$src2, $dst|$dst, $src2}"),
[!if(UsesXMM0,
(set VR128:$dst, (IntId VR128:$src1, VR128:$src2, XMM0)),
(set VR128:$dst, (IntId VR128:$src1, VR128:$src2)))]>, T8;
let mayLoad = 1 in
def rm : I<Opc, MRMSrcMem, (outs VR128:$dst),
(ins VR128:$src1, i128mem:$src2),
!strconcat(OpcodeStr, "\t{$src2, $dst|$dst, $src2}"), []>, T8;
!strconcat(OpcodeStr, "\t{$src2, $dst|$dst, $src2}"),
[!if(UsesXMM0,
(set VR128:$dst, (IntId VR128:$src1,
(bc_v4i32 (memopv2i64 addr:$src2)), XMM0)),
(set VR128:$dst, (IntId VR128:$src1,
(bc_v4i32 (memopv2i64 addr:$src2)))))]>, T8;
}
let Constraints = "$src1 = $dst", hasSideEffects = 0, Predicates = [HasSHA] in {
let Constraints = "$src1 = $dst", Predicates = [HasSHA] in {
def SHA1RNDS4rri : Ii8<0xCC, MRMSrcReg, (outs VR128:$dst),
(ins VR128:$src1, VR128:$src2, i8imm:$src3),
"sha1rnds4\t{$src3, $src2, $dst|$dst, $src2, $src3}",
[]>, TA;
let mayLoad = 1 in
[(set VR128:$dst,
(int_x86_sha1rnds4 VR128:$src1, VR128:$src2,
(i8 imm:$src3)))]>, TA;
def SHA1RNDS4rmi : Ii8<0xCC, MRMSrcMem, (outs VR128:$dst),
(ins VR128:$src1, i128mem:$src2, i8imm:$src3),
"sha1rnds4\t{$src3, $src2, $dst|$dst, $src2, $src3}",
[]>, TA;
[(set VR128:$dst,
(int_x86_sha1rnds4 VR128:$src1,
(bc_v4i32 (memopv2i64 addr:$src2)),
(i8 imm:$src3)))]>, TA;
defm SHA1NEXTE : SHAI_binop<0xC8, "sha1nexte">;
defm SHA1MSG1 : SHAI_binop<0xC9, "sha1msg1">;
defm SHA1MSG2 : SHAI_binop<0xCA, "sha1msg2">;
defm SHA1NEXTE : SHAI_binop<0xC8, "sha1nexte", int_x86_sha1nexte>;
defm SHA1MSG1 : SHAI_binop<0xC9, "sha1msg1", int_x86_sha1msg1>;
defm SHA1MSG2 : SHAI_binop<0xCA, "sha1msg2", int_x86_sha1msg2>;
let Uses=[XMM0] in
defm SHA256RNDS2 : SHAI_binop<0xCB, "sha256rnds2">;
defm SHA256RNDS2 : SHAI_binop<0xCB, "sha256rnds2", int_x86_sha256rnds2, 1>;
defm SHA256MSG1 : SHAI_binop<0xCC, "sha256msg1">;
defm SHA256MSG2 : SHAI_binop<0xCD, "sha256msg2">;
defm SHA256MSG1 : SHAI_binop<0xCC, "sha256msg1", int_x86_sha256msg1>;
defm SHA256MSG2 : SHAI_binop<0xCD, "sha256msg2", int_x86_sha256msg2>;
}
// Aliases with explicit %xmm0