commit efcdc2f735a18fd0f4f7708ec523641c96179ad9
from: Benjamin Stürz <benni@stuerz.xyz>
date: Wed Oct 02 21:45:15 2024 UTC

irc: allow IR_MUL for DT_FLOAT

commit - 82f7044d260ba86c4ed3b94c90f95ef93a3424da
commit + efcdc2f735a18fd0f4f7708ec523641c96179ad9
blob - 9504f77484f3e758af98278e26a2ff6c7a1a2a2a
blob + 0fabf1f2b0d0e80d7a6ff4473bcaeb33f27b0a07
--- cc/irc/irc.c
+++ cc/irc/irc.c
@@ -725,7 +725,7 @@ struct expr *e;
 	} else if (strcmp (lval.s, "xor") == 0) {
 		expr_bin (fn, dt, e, EX_XOR, 0);
 	} else if (strcmp (lval.s, "mul") == 0) {
-		expr_bin (fn, dt, e, EX_MUL, 0);
+		expr_bin (fn, dt, e, EX_MUL, 1);
 	} else if (strcmp (lval.s, "udiv") == 0) {
 		expr_bin (fn, dt, e, EX_UDIV, 0);
 	} else if (strcmp (lval.s, "sdiv") == 0) {
@@ -1975,7 +1975,10 @@ struct expr *e;
 			call_muldiv ("mul", fn, dt, e);
 			break;
 		case DT_FLOAT:
-			error ("multiplication not implemented for DT_FLOAT");
+			load (NULL, r);
+			if (ri->is_imm)
+				error ("cannot use immediate values for floating-point operations");
+			load ("fmul", &fn->regs[ri->reg]);
 			break;
 		}
 		break;
blob - db86c91d6e1dc50b6a6904583a518e608eb3ce78
blob + aea4ad0dafaf438128f6825918f06cb74ebeb6d3
--- cc/irc/test.ir
+++ cc/irc/test.ir
@@ -202,5 +202,6 @@ fn floats (): float {
 	let $6: float = $5;
 	let $7: float = add $0, $1;
 	let $8: float = sub $0, $1;
+	let $9: float = mul $0, $1;
 	ret $0;
 }