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-rw-r--r--lib/Target/AMDGPU/VOPInstructions.td88
1 files changed, 30 insertions, 58 deletions
diff --git a/lib/Target/AMDGPU/VOPInstructions.td b/lib/Target/AMDGPU/VOPInstructions.td
index 4da654f84f9d1..e386f21c2ba49 100644
--- a/lib/Target/AMDGPU/VOPInstructions.td
+++ b/lib/Target/AMDGPU/VOPInstructions.td
@@ -232,11 +232,11 @@ class VOP3Pe <bits<10> op, VOPProfile P> : Enc64 {
let Inst{9} = !if(P.HasSrc1Mods, src1_modifiers{1}, 0); // neg_hi src1
let Inst{10} = !if(P.HasSrc2Mods, src2_modifiers{1}, 0); // neg_hi src2
- let Inst{11} = !if(P.HasOpSel, src0_modifiers{2}, 0); // op_sel(0)
- let Inst{12} = !if(P.HasOpSel, src1_modifiers{2}, 0); // op_sel(1)
- let Inst{13} = !if(P.HasOpSel, src2_modifiers{2}, 0); // op_sel(2)
+ let Inst{11} = !if(!and(P.HasSrc0, P.HasOpSel), src0_modifiers{2}, 0); // op_sel(0)
+ let Inst{12} = !if(!and(P.HasSrc1, P.HasOpSel), src1_modifiers{2}, 0); // op_sel(1)
+ let Inst{13} = !if(!and(P.HasSrc2, P.HasOpSel), src2_modifiers{2}, 0); // op_sel(2)
- let Inst{14} = !if(P.HasOpSel, src2_modifiers{3}, 0); // op_sel_hi(2)
+ let Inst{14} = !if(!and(P.HasSrc2, P.HasOpSel), src2_modifiers{3}, 0); // op_sel_hi(2)
let Inst{15} = !if(P.HasClamp, clamp{0}, 0);
@@ -245,8 +245,8 @@ class VOP3Pe <bits<10> op, VOPProfile P> : Enc64 {
let Inst{40-32} = !if(P.HasSrc0, src0, 0);
let Inst{49-41} = !if(P.HasSrc1, src1, 0);
let Inst{58-50} = !if(P.HasSrc2, src2, 0);
- let Inst{59} = !if(P.HasOpSel, src0_modifiers{3}, 0); // op_sel_hi(0)
- let Inst{60} = !if(P.HasOpSel, src1_modifiers{3}, 0); // op_sel_hi(1)
+ let Inst{59} = !if(!and(P.HasSrc0, P.HasOpSel), src0_modifiers{3}, 0); // op_sel_hi(0)
+ let Inst{60} = !if(!and(P.HasSrc1, P.HasOpSel), src1_modifiers{3}, 0); // op_sel_hi(1)
let Inst{61} = !if(P.HasSrc0Mods, src0_modifiers{0}, 0); // neg (lo)
let Inst{62} = !if(P.HasSrc1Mods, src1_modifiers{0}, 0); // neg (lo)
let Inst{63} = !if(P.HasSrc2Mods, src2_modifiers{0}, 0); // neg (lo)
@@ -300,6 +300,19 @@ class VOP_SDWAe<VOPProfile P> : Enc64 {
let Inst{61-60} = !if(P.HasSrc1FloatMods, src1_modifiers{1-0}, 0);
}
+// GFX9 adds two features to SDWA:
+// 1. Add 3 fields to the SDWA microcode word: S0, S1 and OMOD.
+// a. S0 and S1 indicate that source 0 and 1 respectively are SGPRs rather
+// than VGPRs (at most 1 can be an SGPR);
+// b. OMOD is the standard output modifier (result *2, *4, /2)
+// 2. Add a new version of the SDWA microcode word for VOPC: SDWAB. This
+// replaces OMOD and the dest fields with SD and SDST (SGPR destination)
+// field.
+// a. When SD=1, the SDST is used as the destination for the compare result;
+// b. When SD=0, VCC is used.
+//
+// In GFX9, V_MAC_F16, V_MAC_F32 opcodes cannot be used with SDWA
+
// gfx9 SDWA basic encoding
class VOP_SDWA9e<VOPProfile P> : Enc64 {
bits<9> src0; // {src0_sgpr{0}, src0{7-0}}
@@ -353,6 +366,7 @@ class VOP_SDWA_Pseudo <string opName, VOPProfile P, list<dag> pattern=[]> :
string Mnemonic = opName;
string AsmOperands = P.AsmSDWA;
+ string AsmOperands9 = P.AsmSDWA9;
let Size = 8;
let mayLoad = 0;
@@ -372,53 +386,9 @@ class VOP_SDWA_Pseudo <string opName, VOPProfile P, list<dag> pattern=[]> :
VOPProfile Pfl = P;
}
-// GFX9 adds two features to SDWA:
-// 1. Add 3 fields to the SDWA microcode word: S0, S1 and OMOD.
-// a. S0 and S1 indicate that source 0 and 1 respectively are SGPRs rather
-// than VGPRs (at most 1 can be an SGPR);
-// b. OMOD is the standard output modifier (result *2, *4, /2)
-// 2. Add a new version of the SDWA microcode word for VOPC: SDWAB. This
-// replaces OMOD and the dest fields with SD and SDST (SGPR destination)
-// field.
-// a. When SD=1, the SDST is used as the destination for the compare result;
-// b.when SD=0, VCC is used.
-//
-// In GFX9, V_MAC_F16, V_MAC_F32 opcodes cannot be used with SDWA
-
-class VOP_SDWA9_Pseudo <string opName, VOPProfile P, list<dag> pattern=[]> :
- InstSI <P.OutsSDWA9, P.InsSDWA9, "", pattern>,
- VOP <opName>,
- SIMCInstr <opName#"_sdwa9", SIEncodingFamily.NONE>,
- MnemonicAlias <opName#"_sdwa9", opName> {
-
- let isPseudo = 1;
- let isCodeGenOnly = 1;
- let UseNamedOperandTable = 1;
-
- string Mnemonic = opName;
- string AsmOperands = P.AsmSDWA9;
-
- let Size = 8;
- let mayLoad = 0;
- let mayStore = 0;
- let hasSideEffects = 0;
-
- let VALU = 1;
- let SDWA = 1;
- let Uses = [EXEC];
-
- let SubtargetPredicate = !if(P.HasSDWA9, HasSDWA9, DisableInst);
- let AssemblerPredicate = !if(P.HasSDWA9, HasSDWA9, DisableInst);
- let AsmVariantName = !if(P.HasSDWA9, AMDGPUAsmVariants.SDWA9,
- AMDGPUAsmVariants.Disable);
- let DecoderNamespace = "SDWA9";
-
- VOPProfile Pfl = P;
-}
-
class VOP_SDWA_Real <VOP_SDWA_Pseudo ps> :
InstSI <ps.OutOperandList, ps.InOperandList, ps.Mnemonic # ps.AsmOperands, []>,
- SIMCInstr <ps.PseudoInstr, SIEncodingFamily.VI> {
+ SIMCInstr <ps.PseudoInstr, SIEncodingFamily.SDWA> {
let isPseudo = 0;
let isCodeGenOnly = 0;
@@ -443,9 +413,9 @@ class VOP_SDWA_Real <VOP_SDWA_Pseudo ps> :
let TSFlags = ps.TSFlags;
}
-class VOP_SDWA9_Real <VOP_SDWA9_Pseudo ps> :
- InstSI <ps.OutOperandList, ps.InOperandList, ps.Mnemonic # ps.AsmOperands, []>,
- SIMCInstr <ps.PseudoInstr, SIEncodingFamily.VI> {
+class VOP_SDWA9_Real <VOP_SDWA_Pseudo ps> :
+ InstSI <ps.OutOperandList, ps.InOperandList, ps.Mnemonic # ps.AsmOperands9, []>,
+ SIMCInstr <ps.PseudoInstr, SIEncodingFamily.SDWA9> {
let isPseudo = 0;
let isCodeGenOnly = 0;
@@ -458,13 +428,15 @@ class VOP_SDWA9_Real <VOP_SDWA9_Pseudo ps> :
let Constraints = ps.Constraints;
let DisableEncoding = ps.DisableEncoding;
+ let SubtargetPredicate = !if(ps.Pfl.HasSDWA9, HasSDWA9, DisableInst);
+ let AssemblerPredicate = !if(ps.Pfl.HasSDWA9, HasSDWA9, DisableInst);
+ let AsmVariantName = !if(ps.Pfl.HasSDWA9, AMDGPUAsmVariants.SDWA9,
+ AMDGPUAsmVariants.Disable);
+ let DecoderNamespace = "SDWA9";
+
// Copy relevant pseudo op flags
- let SubtargetPredicate = ps.SubtargetPredicate;
- let AssemblerPredicate = ps.AssemblerPredicate;
let AsmMatchConverter = ps.AsmMatchConverter;
- let AsmVariantName = ps.AsmVariantName;
let UseNamedOperandTable = ps.UseNamedOperandTable;
- let DecoderNamespace = ps.DecoderNamespace;
let Constraints = ps.Constraints;
let DisableEncoding = ps.DisableEncoding;
let TSFlags = ps.TSFlags;
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-02 03:40:06 +0000