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Adds packed integer subtraction

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This commit is contained in:
Johnnie Birch
2020-08-10 23:26:21 -07:00
parent e88d749031
commit 38ef98700f
4 changed files with 47 additions and 0 deletions
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12
cranelift/codegen/src/isa/x64/inst/args.rs
View File

@@ -403,6 +403,10 @@ pub enum SseOpcode {
Psrlw,
Psrld,
Psrlq,
Psubb,
Psubd,
Psubq,
Psubw,
Rcpss,
Roundss,
Roundsd,
@@ -495,6 +499,10 @@ impl SseOpcode {
| SseOpcode::Psrlw
| SseOpcode::Psrld
| SseOpcode::Psrlq
| SseOpcode::Psubb
| SseOpcode::Psubd
| SseOpcode::Psubq
| SseOpcode::Psubw
| SseOpcode::Sqrtpd
| SseOpcode::Sqrtsd
| SseOpcode::Subpd
@@ -579,6 +587,10 @@ impl fmt::Debug for SseOpcode {
SseOpcode::Psrlw => "psrlw",
SseOpcode::Psrld => "psrld",
SseOpcode::Psrlq => "psrlq",
SseOpcode::Psubb => "psubb",
SseOpcode::Psubd => "psubd",
SseOpcode::Psubq => "psubq",
SseOpcode::Psubw => "psubw",
SseOpcode::Rcpss => "rcpss",
SseOpcode::Roundss => "roundss",
SseOpcode::Roundsd => "roundsd",

4
cranelift/codegen/src/isa/x64/inst/emit.rs
View File

@@ -1663,6 +1663,10 @@ pub(crate) fn emit(
SseOpcode::Paddd => (LegacyPrefix::_66, 0x0FFE),
SseOpcode::Paddq => (LegacyPrefix::_66, 0x0FD4),
SseOpcode::Paddw => (LegacyPrefix::_66, 0x0FFD),
SseOpcode::Psubb => (LegacyPrefix::_66, 0x0FF8),
SseOpcode::Psubd => (LegacyPrefix::_66, 0x0FFA),
SseOpcode::Psubq => (LegacyPrefix::_66, 0x0FFB),
SseOpcode::Psubw => (LegacyPrefix::_66, 0x0FF9),
SseOpcode::Subps => (LegacyPrefix::None, 0x0F5C),
SseOpcode::Subpd => (LegacyPrefix::_66, 0x0F5C),
SseOpcode::Subss => (LegacyPrefix::_F3, 0x0F5C),

24
cranelift/codegen/src/isa/x64/inst/emit_tests.rs
View File

@@ -3038,6 +3038,30 @@ fn test_x64_emit() {
"paddq %xmm1, %xmm8",
));
insns.push((
Inst::xmm_rm_r(SseOpcode::Psubb, RegMem::reg(xmm5), w_xmm9),
"66440FF8CD",
"psubb %xmm5, %xmm9",
));
insns.push((
Inst::xmm_rm_r(SseOpcode::Psubw, RegMem::reg(xmm6), w_xmm7),
"660FF9FE",
"psubw %xmm6, %xmm7",
));
insns.push((
Inst::xmm_rm_r(SseOpcode::Psubd, RegMem::reg(xmm13), w_xmm12),
"66450FFAE5",
"psubd %xmm13, %xmm12",
));
insns.push((
Inst::xmm_rm_r(SseOpcode::Psubq, RegMem::reg(xmm8), w_xmm1),
"66410FFBC8",
"psubq %xmm8, %xmm1",
));
// XMM_Mov_R_M: float stores
insns.push((
Inst::xmm_mov_r_m(SseOpcode::Movss, xmm15, Amode::imm_reg(128, r12), None),

7
cranelift/codegen/src/isa/x64/lower.rs
View File

@@ -350,6 +350,13 @@ fn lower_insn_to_regs<C: LowerCtx<I = Inst>>(
types::I64X2 => SseOpcode::Paddq,
_ => panic!("Unsupported type for packed Iadd instruction"),
},
Opcode::Isub => match ty {
types::I8X16 => SseOpcode::Psubb,
types::I16X8 => SseOpcode::Psubw,
types::I32X4 => SseOpcode::Psubd,
types::I64X2 => SseOpcode::Psubq,
_ => panic!("Unsupported type for packed Isub instruction"),
},
_ => panic!("Unsupported packed instruction"),
};
let lhs = input_to_reg(ctx, inputs[0]);