patch-2.2.4 linux/arch/sparc64/math-emu/fdivq.c

• Lines: 19
• Date: Wed Mar 10 16:53:37 1999
• Orig file: v2.2.3/linux/arch/sparc64/math-emu/fdivq.c
• Orig date: Mon Jan 12 15:15:44 1998

diff -u --recursive --new-file v2.2.3/linux/arch/sparc64/math-emu/fdivq.c linux/arch/sparc64/math-emu/fdivq.c
@@ -4,10 +4,16 @@
 int FDIVQ(void *rd, void *rs2, void *rs1)
 {
 	FP_DECL_Q(A); FP_DECL_Q(B); FP_DECL_Q(R);
+	int ret;
 
 	__FP_UNPACK_Q(A, rs1);
 	__FP_UNPACK_Q(B, rs2);
+	if(B_c == FP_CLS_ZERO &&
+	   A_c != FP_CLS_ZERO) {
+		ret |= EFLAG_DIVZERO;
+		if(__FPU_TRAP_P(EFLAG_DIVZERO))
+			return ret;
+	}
 	FP_DIV_Q(R, A, B);
-	__FP_PACK_Q(rd, R);
-	return 1;
+	return (ret | __FP_PACK_Q(rd, R));
 }