diff options
Diffstat (limited to 'lib/builtins/divdi3.c')
| -rw-r--r-- | lib/builtins/divdi3.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/lib/builtins/divdi3.c b/lib/builtins/divdi3.c index 24608ee15..0639c3840 100644 --- a/lib/builtins/divdi3.c +++ b/lib/builtins/divdi3.c @@ -15,14 +15,13 @@ /* Returns: a / b */ -COMPILER_RT_ABI di_int -__divdi3(di_int a, di_int b) -{ - const int bits_in_dword_m1 = (int)(sizeof(di_int) * CHAR_BIT) - 1; - di_int s_a = a >> bits_in_dword_m1; /* s_a = a < 0 ? -1 : 0 */ - di_int s_b = b >> bits_in_dword_m1; /* s_b = b < 0 ? -1 : 0 */ - a = (a ^ s_a) - s_a; /* negate if s_a == -1 */ - b = (b ^ s_b) - s_b; /* negate if s_b == -1 */ - s_a ^= s_b; /*sign of quotient */ - return (__udivmoddi4(a, b, (du_int*)0) ^ s_a) - s_a; /* negate if s_a == -1 */ +COMPILER_RT_ABI di_int __divdi3(di_int a, di_int b) { + const int bits_in_dword_m1 = (int)(sizeof(di_int) * CHAR_BIT) - 1; + di_int s_a = a >> bits_in_dword_m1; /* s_a = a < 0 ? -1 : 0 */ + di_int s_b = b >> bits_in_dword_m1; /* s_b = b < 0 ? -1 : 0 */ + a = (a ^ s_a) - s_a; /* negate if s_a == -1 */ + b = (b ^ s_b) - s_b; /* negate if s_b == -1 */ + s_a ^= s_b; /*sign of quotient */ + return (__udivmoddi4(a, b, (du_int *)0) ^ s_a) - + s_a; /* negate if s_a == -1 */ } |