x86/fpu/math-emu: Fix possible uninitialized variable use

[karo-tx-linux.git] / arch / x86 / math-emu / reg_compare.c

diff --git a/arch/x86/math-emu/reg_compare.c b/arch/x86/math-emu/reg_compare.c
index b77360fdbf4a8cc8aa191147208d6acb50609d78..19b33b50adfacc0e6cd607750378219cd3052bf8 100644 (file)
--- a/arch/x86/math-emu/reg_compare.c
+++ b/arch/x86/math-emu/reg_compare.c
@@ -168,7 +168,7 @@ static int compare(FPU_REG const *b, int tagb)
 /* This function requires that st(0) is not empty */
 int FPU_compare_st_data(FPU_REG const *loaded_data, u_char loaded_tag)
 {
-       int f = 0, c;
+       int f, c;
 
        c = compare(loaded_data, loaded_tag);
 
@@ -189,12 +189,12 @@ int FPU_compare_st_data(FPU_REG const *loaded_data, u_char loaded_tag)
                case COMP_No_Comp:
                        f = SW_C3 | SW_C2 | SW_C0;
                        break;
-#ifdef PARANOID
                default:
+#ifdef PARANOID
                        EXCEPTION(EX_INTERNAL | 0x121);
+#endif /* PARANOID */
                        f = SW_C3 | SW_C2 | SW_C0;
                        break;
-#endif /* PARANOID */
                }
        setcc(f);
        if (c & COMP_Denormal) {
@@ -205,7 +205,7 @@ int FPU_compare_st_data(FPU_REG const *loaded_data, u_char loaded_tag)
 
 static int compare_st_st(int nr)
 {
-       int f = 0, c;
+       int f, c;
        FPU_REG *st_ptr;
 
        if (!NOT_EMPTY(0) || !NOT_EMPTY(nr)) {
@@ -235,12 +235,12 @@ static int compare_st_st(int nr)
                case COMP_No_Comp:
                        f = SW_C3 | SW_C2 | SW_C0;
                        break;
-#ifdef PARANOID
                default:
+#ifdef PARANOID
                        EXCEPTION(EX_INTERNAL | 0x122);
+#endif /* PARANOID */
                        f = SW_C3 | SW_C2 | SW_C0;
                        break;
-#endif /* PARANOID */
                }
        setcc(f);
        if (c & COMP_Denormal) {
@@ -283,12 +283,12 @@ static int compare_i_st_st(int nr)
        case COMP_No_Comp:
                f = X86_EFLAGS_ZF | X86_EFLAGS_PF | X86_EFLAGS_CF;
                break;
-#ifdef PARANOID
        default:
+#ifdef PARANOID
                EXCEPTION(EX_INTERNAL | 0x122);
+#endif /* PARANOID */
                f = 0;
                break;
-#endif /* PARANOID */
        }
        FPU_EFLAGS = (FPU_EFLAGS & ~(X86_EFLAGS_ZF | X86_EFLAGS_PF | X86_EFLAGS_CF)) | f;
        if (c & COMP_Denormal) {