Use number rather than enum

core/rexcode/isa/x86/clobber_types.odin

@@ -29,12 +29,13 @@ Side_Effects :: distinct bit_set[Side_Effect; u16]
 
 Clobber_Regs :: distinct bit_set[Clobber_Reg; u16]
 Clobber_Reg :: enum u8 {
-	RAX, RBX, RCX, RDX, RSI, RDI, RSP, RBP, R11,
-	XMM0, VECTOR, MXCSR, FPU_ST, FPU_SW,
+	RAX, RBX, RCX, RDX,
+	RSI, RDI, RSP, RBP,
+	R11, XMM0, VECTOR, MXCSR,
+	FPU_ST, FPU_SW,
 }
 
-Operand_Set  :: distinct bit_set[Operand_Slot; u8]
-Operand_Slot :: enum u8 { OP0, OP1, OP2, OP3 }
+Operand_Set  :: distinct bit_set[0..<4; u8]
 
 Clobber :: struct {
 	written:      Operand_Set,

core/rexcode/isa/x86/tablegen/gen.odin

@@ -23,6 +23,7 @@ package rexcode_x86_tablegen
 // before Stage B dumps it to raw bytes, so the blobs can never drift from a
 // well-typed table.
 
+import "base:intrinsics"
 import "core:fmt"
 import "core:os"
 import "core:strings"
@@ -177,7 +178,11 @@ write_clobber :: proc(sb: ^strings.Builder, c: lib.Clobber, max_name: int) {
 		i := 0
 		for flag in flags {
 			if i > 0 { strings.write_string(sb, ", ") }
-			fmt.sbprintf(sb, ".%s", flag)
+			when intrinsics.type_is_enum(type_of(flag)) {
+				fmt.sbprintf(sb, ".%s", flag)
+			} else {
+				fmt.sbprintf(sb, "%v", flag)
+			}
 			i += 1
 		}
 		strings.write_string(sb, "}")