Implement Zvflqdot8f

Author: aswaterman

disasm/isa_parser.cc

@@ -340,6 +340,8 @@ isa_parser_t::isa_parser_t(const char* str, const char *priv)
       extension_table[EXT_ZVQLDOT8I] = true;
     } else if (ext_str == "zvqldot16i") {
       extension_table[EXT_ZVQLDOT16I] = true;
+    } else if (ext_str == "zvfqldot8f") {
+      extension_table[EXT_ZVFQLDOT8F] = true;
     } else if (ext_str == "zvfwldot16bf") {
       extension_table[EXT_ZVFWLDOT16BF] = true;
     } else if (ext_str == "zvkt") {

riscv/insns/vfqldot_alt_vv.h

@@ -0,0 +1,17 @@
+VI_VFP_BASE;
+ZVLDOT_INIT(4);
+
+#define COMMA ,
+
+switch (P.VU.vsew) {
+  case 8: {
+    require_extension(EXT_ZVFQLDOT8F);
+    if (P.VU.altfmt) {
+      ZVLDOT_LOOP(uint8_t, uint8_t, float32_t, zvfqbdot8f_dot_acc<ofp8_e5m2 COMMA ofp8_e5m2>);
+    } else {
+      ZVLDOT_LOOP(uint8_t, uint8_t, float32_t, zvfqbdot8f_dot_acc<ofp8_e4m3 COMMA ofp8_e5m2>);
+    }
+    break;
+  }
+  default: require(false);
+}

riscv/insns/vfqldot_vv.h

@@ -0,0 +1,17 @@
+VI_VFP_BASE;
+ZVLDOT_INIT(4);
+
+#define COMMA ,
+
+switch (P.VU.vsew) {
+  case 8: {
+    require_extension(EXT_ZVFQLDOT8F);
+    if (P.VU.altfmt) {
+      ZVLDOT_LOOP(uint8_t, uint8_t, float32_t, zvfqbdot8f_dot_acc<ofp8_e5m2 COMMA ofp8_e4m3>);
+    } else {
+      ZVLDOT_LOOP(uint8_t, uint8_t, float32_t, zvfqbdot8f_dot_acc<ofp8_e4m3 COMMA ofp8_e4m3>);
+    }
+    break;
+  }
+  default: require(false);
+}

riscv/isa_parser.h

@@ -75,6 +75,7 @@ typedef enum {
   EXT_ZVFBDOT32F,
   EXT_ZVQLDOT8I,
   EXT_ZVQLDOT16I,
+  EXT_ZVFQLDOT8F,
   EXT_ZVFWLDOT16BF,
   EXT_SSTC,
   EXT_ZAAMO,

riscv/riscv.mk.in

@@ -1086,6 +1086,8 @@ riscv_insn_ext_zvldot = \
 	vqldotu_vv \
 	vqldots_vv \
 	vfwldot_vv \
+	vfqldot_vv \
+	vfqldot_alt_vv \
 
 riscv_insn_ext_zimop = \
 	mop_r_N \

riscv/vector_unit.cc

@@ -54,6 +54,8 @@ reg_t vectorUnit_t::vectorUnit_t::set_vl(int rd, int rs1, reg_t reqVL, reg_t new
         ill_altfmt = false;
       else if (p->extension_enabled(EXT_ZVQLDOT16I) && vsew == 16)
         ill_altfmt = false;
+      else if (p->extension_enabled(EXT_ZVFQLDOT8F) && vsew == 8)
+        ill_altfmt = false;
       else if (p->extension_enabled(EXT_ZVFWLDOT16BF) && vsew == 16)
         ill_altfmt = false;
     }