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

• Lines: 20
• Date: Wed Mar 10 16:53:37 1999
• Orig file: v2.2.3/linux/arch/sparc64/math-emu/fdivs.c
• Orig date: Mon Jan 12 15:15:44 1998

diff -u --recursive --new-file v2.2.3/linux/arch/sparc64/math-emu/fdivs.c linux/arch/sparc64/math-emu/fdivs.c
@@ -4,10 +4,17 @@
 int FDIVS(void *rd, void *rs2, void *rs1)
 {
 	FP_DECL_S(A); FP_DECL_S(B); FP_DECL_S(R);
+	int ret = 0;
 
 	__FP_UNPACK_S(A, rs1);
 	__FP_UNPACK_S(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_S(R, A, B);
-	__FP_PACK_S(rd, R);
-	return 1;
+	return (ret | __FP_PACK_S(rd, R));
 }
+