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authorJacob Young <jacobly0@users.noreply.github.com>2022-10-24 10:42:41 -0400
committerJacob Young <jacobly0@users.noreply.github.com>2022-10-25 05:11:29 -0400
commitab468d57e3af5d158dfbe0229cc451ce62dd80dc (patch)
treed628f8800d7a102182f85cfc6bc17154ed154497 /lib/include
parent15df64ade8e460141d6485340ca0f88d21f03c47 (diff)
downloadzig-ab468d57e3af5d158dfbe0229cc451ce62dd80dc.tar.gz
zig-ab468d57e3af5d158dfbe0229cc451ce62dd80dc.zip
cbe: implement packed structs
Sometimes you have to break a test to make progress :)
Diffstat (limited to 'lib/include')
-rw-r--r--lib/include/zig.h95
1 files changed, 48 insertions, 47 deletions
diff --git a/lib/include/zig.h b/lib/include/zig.h
index 45e573d092..4ac6537188 100644
--- a/lib/include/zig.h
+++ b/lib/include/zig.h
@@ -316,19 +316,28 @@ zig_extern_c void *memset (void *, int, zig_usize);
#define zig_maxInt(Type, bits) zig_shr_##Type(zig_maxInt_##Type, (zig_bitSizeOf(zig_##Type) - bits))
#define zig_minInt(Type, bits) zig_not_##Type(zig_maxInt(Type, bits), bits)
+#define zig_int_operator(Type, RhsType, operation, operator) \
+ static inline zig_##Type zig_##operation##_##Type(zig_##Type lhs, zig_##RhsType rhs) { \
+ return lhs operator rhs; \
+ }
+#define zig_int_operators(w) \
+ zig_int_operator(u##w, u##w, and, &) \
+ zig_int_operator(i##w, i##w, and, &) \
+ zig_int_operator(u##w, u##w, or, |) \
+ zig_int_operator(i##w, i##w, or, |) \
+ zig_int_operator(u##w, u##w, xor, ^) \
+ zig_int_operator(i##w, i##w, xor, ^) \
+ zig_int_operator(u##w, u8, shl, <<) \
+ zig_int_operator(i##w, u8, shl, <<) \
+ zig_int_operator(u##w, u8, shr, >>) \
+ zig_int_operator(u##w, u##w, div_floor, /) \
+ zig_int_operator(u##w, u##w, mod, %)
+zig_int_operators(8)
+zig_int_operators(16)
+zig_int_operators(32)
+zig_int_operators(64)
+
#define zig_int_helpers(w) \
- static inline zig_u##w zig_shl_u##w(zig_u##w lhs, zig_u8 rhs) { \
- return lhs << rhs; \
- } \
-\
- static inline zig_i##w zig_shl_i##w(zig_i##w lhs, zig_u8 rhs) { \
- return lhs << rhs; \
- } \
-\
- static inline zig_u##w zig_shr_u##w(zig_u##w lhs, zig_u8 rhs) { \
- return lhs >> rhs; \
- } \
-\
static inline zig_i##w zig_shr_i##w(zig_i##w lhs, zig_u8 rhs) { \
zig_i##w sign_mask = lhs < zig_as_i##w(0) ? zig_as_i##w(-1) : zig_as_i##w(0); \
return ((lhs ^ sign_mask) >> rhs) ^ sign_mask; \
@@ -352,18 +361,10 @@ zig_extern_c void *memset (void *, int, zig_usize);
? val | zig_minInt(i##w, bits) : val & zig_maxInt(i##w, bits); \
} \
\
- static inline zig_u##w zig_div_floor_u##w(zig_u##w lhs, zig_u##w rhs) { \
- return lhs / rhs; \
- } \
-\
static inline zig_i##w zig_div_floor_i##w(zig_i##w lhs, zig_i##w rhs) { \
return lhs / rhs - (((lhs ^ rhs) & (lhs % rhs)) < zig_as_i##w(0)); \
} \
\
- static inline zig_u##w zig_mod_u##w(zig_u##w lhs, zig_u##w rhs) { \
- return lhs % rhs; \
- } \
-\
static inline zig_i##w zig_mod_i##w(zig_i##w lhs, zig_i##w rhs) { \
zig_i##w rem = lhs % rhs; \
return rem + (((lhs ^ rhs) & rem) < zig_as_i##w(0) ? rhs : zig_as_i##w(0)); \
@@ -969,12 +970,12 @@ typedef signed __int128 zig_i128;
#define zig_lo_i128(val) ((zig_u64)((val) >> 0))
#define zig_bitcast_u128(val) ((zig_u128)(val))
#define zig_bitcast_i128(val) ((zig_i128)(val))
-#define zig_cmp_int128(ZigType, CType) \
- static inline zig_i8 zig_cmp_##ZigType(CType lhs, CType rhs) { \
+#define zig_cmp_int128(Type) \
+ static inline zig_i8 zig_cmp_##Type(zig_##Type lhs, zig_##Type rhs) { \
return (lhs > rhs) - (lhs < rhs); \
}
-#define zig_bit_int128(ZigType, CType, operation, operator) \
- static inline CType zig_##operation##_##ZigType(CType lhs, CType rhs) { \
+#define zig_bit_int128(Type, operation, operator) \
+ static inline zig_##Type zig_##operation##_##Type(zig_##Type lhs, zig_##Type rhs) { \
return lhs operator rhs; \
}
@@ -996,15 +997,15 @@ typedef struct { zig_align(16) zig_i64 hi; zig_u64 lo; } zig_i128;
#define zig_lo_i128(val) ((val).lo)
#define zig_bitcast_u128(val) zig_as_u128((zig_u64)(val).hi, (val).lo)
#define zig_bitcast_i128(val) zig_as_i128((zig_i64)(val).hi, (val).lo)
-#define zig_cmp_int128(ZigType, CType) \
- static inline zig_c_int zig_cmp_##ZigType(CType lhs, CType rhs) { \
+#define zig_cmp_int128(Type) \
+ static inline zig_i8 zig_cmp_##Type(zig_##Type lhs, zig_##Type rhs) { \
return (lhs.hi == rhs.hi) \
? (lhs.lo > rhs.lo) - (lhs.lo < rhs.lo) \
: (lhs.hi > rhs.hi) - (lhs.hi < rhs.hi); \
}
-#define zig_bit_int128(ZigType, CType, operation, operator) \
- static inline CType zig_##operation##_##ZigType(CType lhs, CType rhs) { \
- return (CType){ .hi = lhs.hi operator rhs.hi, .lo = lhs.lo operator rhs.lo }; \
+#define zig_bit_int128(Type, operation, operator) \
+ static inline zig_##Type zig_##operation##_##Type(zig_##Type lhs, zig_##Type rhs) { \
+ return (zig_##Type){ .hi = lhs.hi operator rhs.hi, .lo = lhs.lo operator rhs.lo }; \
}
#endif /* zig_has_int128 */
@@ -1014,17 +1015,17 @@ typedef struct { zig_align(16) zig_i64 hi; zig_u64 lo; } zig_i128;
#define zig_minInt_i128 zig_as_i128(zig_minInt_i64, zig_minInt_u64)
#define zig_maxInt_i128 zig_as_i128(zig_maxInt_i64, zig_maxInt_u64)
-zig_cmp_int128(u128, zig_u128)
-zig_cmp_int128(i128, zig_i128)
+zig_cmp_int128(u128)
+zig_cmp_int128(i128)
-zig_bit_int128(u128, zig_u128, and, &)
-zig_bit_int128(i128, zig_i128, and, &)
+zig_bit_int128(u128, and, &)
+zig_bit_int128(i128, and, &)
-zig_bit_int128(u128, zig_u128, or, |)
-zig_bit_int128(i128, zig_i128, or, |)
+zig_bit_int128(u128, or, |)
+zig_bit_int128(i128, or, |)
-zig_bit_int128(u128, zig_u128, xor, ^)
-zig_bit_int128(i128, zig_i128, xor, ^)
+zig_bit_int128(u128, xor, ^)
+zig_bit_int128(i128, xor, ^)
static inline zig_u128 zig_shr_u128(zig_u128 lhs, zig_u8 rhs);
@@ -1164,7 +1165,7 @@ static inline zig_i128 zig_mod_i128(zig_i128 lhs, zig_i128 rhs) {
#define zig_mod_u128 zig_rem_u128
static inline zig_i128 zig_shr_i128(zig_i128 lhs, zig_u8 rhs) {
- zig_i128 sign_mask = zig_cmp_i128(lhs, zig_as_i128(0, 0)) < 0 ? zig_as_i128(-1, UINT64_MAX) : zig_as_i128(0, 0);
+ zig_i128 sign_mask = zig_cmp_i128(lhs, zig_as_i128(0, 0)) < zig_as_i8(0) ? zig_as_i128(-1, UINT64_MAX) : zig_as_i128(0, 0);
return zig_xor_i128(zig_bitcast_i128(zig_shr_u128(zig_bitcast_u128(zig_xor_i128(lhs, sign_mask)), rhs)), sign_mask);
}
@@ -1218,8 +1219,8 @@ static inline zig_bool zig_shlo_u128(zig_u128 *res, zig_u128 lhs, zig_u8 rhs, zi
static inline zig_bool zig_shlo_i128(zig_i128 *res, zig_i128 lhs, zig_u8 rhs, zig_u8 bits) {
*res = zig_shlw_i128(lhs, rhs, bits);
zig_i128 mask = zig_bitcast_i128(zig_shl_u128(zig_maxInt_u128, bits - rhs - zig_as_u8(1)));
- return zig_cmp_i128(zig_and_i128(lhs, mask), zig_as_i128(0, 0)) != 0 &&
- zig_cmp_i128(zig_and_i128(lhs, mask), mask) != 0;
+ return zig_cmp_i128(zig_and_i128(lhs, mask), zig_as_i128(0, 0)) != zig_as_i8(0) &&
+ zig_cmp_i128(zig_and_i128(lhs, mask), mask) != zig_as_i8(0);
}
static inline zig_bool zig_addo_u128(zig_u128 *res, zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
@@ -1316,15 +1317,15 @@ static inline zig_bool zig_subo_u128(zig_u128 *res, zig_u128 lhs, zig_u128 rhs)
static inline zig_u128 zig_shls_u128(zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
zig_u128 res;
- if (zig_cmp_u128(rhs, zig_as_u128(0, bits)) >= 0)
- return zig_cmp_u128(lhs, zig_as_u128(0, 0)) != 0 ? zig_maxInt(u128, bits) : lhs;
+ if (zig_cmp_u128(rhs, zig_as_u128(0, bits)) >= zig_as_i8(0))
+ return zig_cmp_u128(lhs, zig_as_u128(0, 0)) != zig_as_i8(0) ? zig_maxInt(u128, bits) : lhs;
return zig_shlo_u128(&res, lhs, (zig_u8)rhs, bits) ? zig_maxInt(u128, bits) : res;
}
static inline zig_i128 zig_shls_i128(zig_i128 lhs, zig_i128 rhs, zig_u8 bits) {
zig_i128 res;
- if (zig_cmp_u128(zig_bitcast_u128(rhs), zig_as_u128(0, bits)) < 0 && !zig_shlo_i128(&res, lhs, rhs, bits)) return res;
- return zig_cmp_i128(lhs, zig_as_i128(0, 0)) < 0 ? zig_minInt(i128, bits) : zig_maxInt(i128, bits);
+ if (zig_cmp_u128(zig_bitcast_u128(rhs), zig_as_u128(0, bits)) < zig_as_i8(0) && !zig_shlo_i128(&res, lhs, rhs, bits)) return res;
+ return zig_cmp_i128(lhs, zig_as_i128(0, 0)) < zig_as_i8(0) ? zig_minInt(i128, bits) : zig_maxInt(i128, bits);
}
static inline zig_u128 zig_adds_u128(zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
@@ -1335,7 +1336,7 @@ static inline zig_u128 zig_adds_u128(zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
static inline zig_i128 zig_adds_i128(zig_i128 lhs, zig_i128 rhs, zig_u8 bits) {
zig_i128 res;
if (!zig_addo_i128(&res, lhs, rhs, bits)) return res;
- return zig_cmp_i128(res, zig_as_i128(0, 0)) >= 0 ? zig_minInt(i128, bits) : zig_maxInt(i128, bits);
+ return zig_cmp_i128(res, zig_as_i128(0, 0)) >= zig_as_i8(0) ? zig_minInt(i128, bits) : zig_maxInt(i128, bits);
}
static inline zig_u128 zig_subs_u128(zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
@@ -1346,7 +1347,7 @@ static inline zig_u128 zig_subs_u128(zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
static inline zig_i128 zig_subs_i128(zig_i128 lhs, zig_i128 rhs, zig_u8 bits) {
zig_i128 res;
if (!zig_subo_i128(&res, lhs, rhs, bits)) return res;
- return zig_cmp_i128(res, zig_as_i128(0, 0)) >= 0 ? zig_minInt(i128, bits) : zig_maxInt(i128, bits);
+ return zig_cmp_i128(res, zig_as_i128(0, 0)) >= zig_as_i8(0) ? zig_minInt(i128, bits) : zig_maxInt(i128, bits);
}
static inline zig_u128 zig_muls_u128(zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
@@ -1357,7 +1358,7 @@ static inline zig_u128 zig_muls_u128(zig_u128 lhs, zig_u128 rhs, zig_u8 bits) {
static inline zig_i128 zig_muls_i128(zig_i128 lhs, zig_i128 rhs, zig_u8 bits) {
zig_i128 res;
if (!zig_mulo_i128(&res, lhs, rhs, bits)) return res;
- return zig_cmp_i128(zig_xor_i128(lhs, rhs), zig_as_i128(0, 0)) < 0 ? zig_minInt(i128, bits) : zig_maxInt(i128, bits);
+ return zig_cmp_i128(zig_xor_i128(lhs, rhs), zig_as_i128(0, 0)) < zig_as_i8(0) ? zig_minInt(i128, bits) : zig_maxInt(i128, bits);
}
static inline zig_u8 zig_clz_u128(zig_u128 val, zig_u8 bits) {