[AMDGPU][True16][MC] true16 for v_mad_u/i32_u/i16 (#124781)

true16 asm/dasm support for v_mad_u32_i16 and v_mad_i32_i16

Author: broxigarchen

llvm/lib/Target/AMDGPU/VOP3Instructions.td

@@ -645,8 +645,8 @@ defm V_ADD_I16 : VOP3Inst_t16 <"v_add_i16", VOP_I16_I16_I16>;
 defm V_SUB_I16 : VOP3Inst_t16 <"v_sub_i16", VOP_I16_I16_I16>;
 
 let isCommutable = 1 in {
-  defm V_MAD_U32_U16 : VOP3Inst <"v_mad_u32_u16", VOP3_Profile<VOP_I32_I16_I16_I32, VOP3_OPSEL>>;
-  defm V_MAD_I32_I16 : VOP3Inst <"v_mad_i32_i16", VOP3_Profile<VOP_I32_I16_I16_I32, VOP3_OPSEL>>;
+  defm V_MAD_U32_U16 : VOP3Inst_t16 <"v_mad_u32_u16", VOP_I32_I16_I16_I32>;
+  defm V_MAD_I32_I16 : VOP3Inst_t16 <"v_mad_i32_i16", VOP_I32_I16_I16_I32>;
 } // End isCommutable = 1
 
 defm V_CVT_PKNORM_I16_F16 : VOP3Inst_t16 <"v_cvt_pknorm_i16_f16", VOP_B32_F16_F16>;
@@ -1736,8 +1736,8 @@ defm V_ADD3_U32            : VOP3_Realtriple_gfx11_gfx12<0x255>;
 defm V_LSHL_OR_B32         : VOP3_Realtriple_gfx11_gfx12<0x256>;
 defm V_AND_OR_B32          : VOP3_Realtriple_gfx11_gfx12<0x257>;
 defm V_OR3_B32             : VOP3_Realtriple_gfx11_gfx12<0x258>;
-defm V_MAD_U32_U16         : VOP3_Realtriple_gfx11_gfx12<0x259>;
-defm V_MAD_I32_I16         : VOP3_Realtriple_gfx11_gfx12<0x25a>;
+defm V_MAD_U32_U16         : VOP3_Realtriple_t16_and_fake16_gfx11_gfx12<0x259, "v_mad_u32_u16">;
+defm V_MAD_I32_I16         : VOP3_Realtriple_t16_and_fake16_gfx11_gfx12<0x25a, "v_mad_i32_i16">;
 defm V_PERMLANE16_B32      : VOP3_Real_Base_gfx11_gfx12<0x25b>;
 defm V_PERMLANEX16_B32     : VOP3_Real_Base_gfx11_gfx12<0x25c>;
 defm V_MAXMIN_F32          : VOP3_Realtriple_gfx11<0x25e>;

llvm/test/MC/AMDGPU/gfx11_asm_vop3.s

@@ -2906,11 +2906,11 @@ v_mad_i16 v5.l, -1, exec_hi, src_scc
 v_mad_i16 v5.l, src_scc, vcc_lo, -1
 // GFX11: v_mad_i16 v5.l, src_scc, vcc_lo, -1     ; encoding: [0x05,0x00,0x53,0xd6,0xfd,0xd4,0x04,0x03]
 
-v_mad_i32_i16 v5, v1, v2, v3
-// GFX11: v_mad_i32_i16 v5, v1, v2, v3            ; encoding: [0x05,0x00,0x5a,0xd6,0x01,0x05,0x0e,0x04]
+v_mad_i32_i16 v5, v1.l, v2.l, v3
+// GFX11: v_mad_i32_i16 v5, v1.l, v2.l, v3        ; encoding: [0x05,0x00,0x5a,0xd6,0x01,0x05,0x0e,0x04]
 
-v_mad_i32_i16 v5, v255, v255, s3
-// GFX11: v_mad_i32_i16 v5, v255, v255, s3        ; encoding: [0x05,0x00,0x5a,0xd6,0xff,0xff,0x0f,0x00]
+v_mad_i32_i16 v5, v255.l, v255.l, s3
+// GFX11: v_mad_i32_i16 v5, v255.l, v255.l, s3    ; encoding: [0x05,0x00,0x5a,0xd6,0xff,0xff,0x0f,0x00]
 
 v_mad_i32_i16 v5, s1, s2, v255
 // GFX11: v_mad_i32_i16 v5, s1, s2, v255          ; encoding: [0x05,0x00,0x5a,0xd6,0x01,0x04,0xfc,0x07]
@@ -2951,6 +2951,18 @@ v_mad_i32_i16 v5, src_scc, vcc_lo, src_scc op_sel:[1,0,0,0]
 v_mad_i32_i16 v255, 0xfe0b, vcc_hi, 0.5 op_sel:[0,1,0,0] clamp
 // GFX11: v_mad_i32_i16 v255, 0xfe0b, vcc_hi, 0.5 op_sel:[0,1,0,0] clamp ; encoding: [0xff,0x90,0x5a,0xd6,0xff,0xd6,0xc0,0x03,0x0b,0xfe,0x00,0x00]
 
+v_mad_i32_i16 v5, v1.h, v2.l, v3
+// GFX11: v_mad_i32_i16 v5, v1.h, v2.l, v3 op_sel:[1,0,0,0] ; encoding: [0x05,0x08,0x5a,0xd6,0x01,0x05,0x0e,0x04]
+
+v_mad_i32_i16 v5, v255.l, v255.h, s3
+// GFX11: v_mad_i32_i16 v5, v255.l, v255.h, s3 op_sel:[0,1,0,0] ; encoding: [0x05,0x10,0x5a,0xd6,0xff,0xff,0x0f,0x00]
+
+v_mad_i32_i16 v5, src_scc, vcc_lo, src_scc
+// GFX11: v_mad_i32_i16 v5, src_scc, vcc_lo, src_scc ; encoding: [0x05,0x00,0x5a,0xd6,0xfd,0xd4,0xf4,0x03]
+
+v_mad_i32_i16 v255, 0xfe0b, vcc_hi, 0.5 clamp
+// GFX11: v_mad_i32_i16 v255, 0xfe0b, vcc_hi, 0.5 clamp ; encoding: [0xff,0x80,0x5a,0xd6,0xff,0xd6,0xc0,0x03,0x0b,0xfe,0x00,0x00]
+
 v_mad_i32_i24 v5, v1, v2, s3
 // GFX11: v_mad_i32_i24 v5, v1, v2, s3            ; encoding: [0x05,0x00,0x0a,0xd6,0x01,0x05,0x0e,0x00]
 
@@ -3134,11 +3146,11 @@ v_mad_u16 v5.l, -1, exec_hi, src_scc
 v_mad_u16 v5.l, src_scc, vcc_lo, -1
 // GFX11: v_mad_u16 v5.l, src_scc, vcc_lo, -1     ; encoding: [0x05,0x00,0x41,0xd6,0xfd,0xd4,0x04,0x03]
 
-v_mad_u32_u16 v5, v1, v2, v3
-// GFX11: v_mad_u32_u16 v5, v1, v2, v3            ; encoding: [0x05,0x00,0x59,0xd6,0x01,0x05,0x0e,0x04]
+v_mad_u32_u16 v5, v1.l, v2.l, v3
+// GFX11: v_mad_u32_u16 v5, v1.l, v2.l, v3        ; encoding: [0x05,0x00,0x59,0xd6,0x01,0x05,0x0e,0x04]
 
-v_mad_u32_u16 v5, v255, v255, s3
-// GFX11: v_mad_u32_u16 v5, v255, v255, s3        ; encoding: [0x05,0x00,0x59,0xd6,0xff,0xff,0x0f,0x00]
+v_mad_u32_u16 v5, v255.l, v255.l, s3
+// GFX11: v_mad_u32_u16 v5, v255.l, v255.l, s3    ; encoding: [0x05,0x00,0x59,0xd6,0xff,0xff,0x0f,0x00]
 
 v_mad_u32_u16 v5, s1, s2, v255
 // GFX11: v_mad_u32_u16 v5, s1, s2, v255          ; encoding: [0x05,0x00,0x59,0xd6,0x01,0x04,0xfc,0x07]
@@ -3179,6 +3191,18 @@ v_mad_u32_u16 v5, src_scc, vcc_lo, src_scc op_sel:[1,0,0,0]
 v_mad_u32_u16 v255, 0xfe0b, vcc_hi, 0.5 op_sel:[0,1,0,0] clamp
 // GFX11: v_mad_u32_u16 v255, 0xfe0b, vcc_hi, 0.5 op_sel:[0,1,0,0] clamp ; encoding: [0xff,0x90,0x59,0xd6,0xff,0xd6,0xc0,0x03,0x0b,0xfe,0x00,0x00]
 
+v_mad_u32_u16 v5, v1.h, v2.l, v3
+// GFX11: v_mad_u32_u16 v5, v1.h, v2.l, v3 op_sel:[1,0,0,0] ; encoding: [0x05,0x08,0x59,0xd6,0x01,0x05,0x0e,0x04]
+
+v_mad_u32_u16 v5, v255.l, v255.h, s3
+// GFX11: v_mad_u32_u16 v5, v255.l, v255.h, s3 op_sel:[0,1,0,0] ; encoding: [0x05,0x10,0x59,0xd6,0xff,0xff,0x0f,0x00]
+
+v_mad_u32_u16 v5, src_scc, vcc_lo, src_scc
+// GFX11: v_mad_u32_u16 v5, src_scc, vcc_lo, src_scc ; encoding: [0x05,0x00,0x59,0xd6,0xfd,0xd4,0xf4,0x03]
+
+v_mad_u32_u16 v255, 0xfe0b, vcc_hi, 0.5 clamp
+// GFX11: v_mad_u32_u16 v255, 0xfe0b, vcc_hi, 0.5 clamp ; encoding: [0xff,0x80,0x59,0xd6,0xff,0xd6,0xc0,0x03,0x0b,0xfe,0x00,0x00]
+
 v_mad_u32_u24 v5, v1, v2, s3
 // GFX11: v_mad_u32_u24 v5, v1, v2, s3            ; encoding: [0x05,0x00,0x0b,0xd6,0x01,0x05,0x0e,0x00]