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compiler_rt: fixup divti3 and fixunshfti

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kcbanner 2022-12-13 23:22:50 -05:00
parent 9a77743cc7
commit fbd3459a52
3 changed files with 17 additions and 32 deletions
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17
lib/compiler_rt/divti3.zig
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@ -7,21 +7,8 @@ const common = @import("common.zig");
pub const panic = common.panic; pub const panic = common.panic;
comptime { comptime {
if (builtin.os.tag == .windows) { if (common.want_windows_v2u64_abi) {
switch (arch) {
.x86 => {
@export(__divti3, .{ .name = "__divti3", .linkage = common.linkage, .visibility = common.visibility });
},
.x86_64 => {
// The "ti" functions must use Vector(2, u64) parameter types to adhere to the ABI
// that LLVM expects compiler-rt to have.
@export(__divti3_windows_x86_64, .{ .name = "__divti3", .linkage = common.linkage, .visibility = common.visibility }); @export(__divti3_windows_x86_64, .{ .name = "__divti3", .linkage = common.linkage, .visibility = common.visibility });
},
else => {},
}
if (arch.isAARCH64()) {
@export(__divti3, .{ .name = "__divti3", .linkage = common.linkage, .visibility = common.visibility });
}
} else { } else {
@export(__divti3, .{ .name = "__divti3", .linkage = common.linkage, .visibility = common.visibility }); @export(__divti3, .{ .name = "__divti3", .linkage = common.linkage, .visibility = common.visibility });
} }
@ -31,7 +18,7 @@ pub fn __divti3(a: i128, b: i128) callconv(.C) i128 {
return div(a, b); return div(a, b);
} }
const v128 = @import("std").meta.Vector(2, u64); const v128 = @Vector(2, u64);
fn __divti3_windows_x86_64(a: v128, b: v128) callconv(.C) v128 { fn __divti3_windows_x86_64(a: v128, b: v128) callconv(.C) v128 {
return @bitCast(v128, div(@bitCast(i128, a), @bitCast(i128, b))); return @bitCast(v128, div(@bitCast(i128, a), @bitCast(i128, b)));

2
lib/compiler_rt/fixunshfti.zig
View file

@ -16,7 +16,7 @@ pub fn __fixunshfti(a: f16) callconv(.C) u128 {
return floatToInt(u128, a); return floatToInt(u128, a);
} }
const v2u64 = @import("std").meta.Vector(2, u64); const v2u64 = @Vector(2, u64);
fn __fixunshfti_windows_x86_64(a: f16) callconv(.C) v2u64 { fn __fixunshfti_windows_x86_64(a: f16) callconv(.C) v2u64 {
return @bitCast(v2u64, floatToInt(u128, a)); return @bitCast(v2u64, floatToInt(u128, a));

28
lib/zig.h
View file

@ -1341,30 +1341,26 @@ static inline zig_i128 zig_sub_i128(zig_i128 lhs, zig_i128 rhs) {
return res; return res;
} }
// TODO: Implement zig_extern zig_u128 __udivti3(zig_u128 lhs, zig_u128 rhs);
static zig_i128 zig_div_trunc_i128(zig_i128 lhs, zig_i128 rhs) {
}
// TODO: Implement
zig_extern zig_u128 __udivmodti4(zig_u128 lhs, zig_u128 rhs, zig_u128* rem);
static zig_u128 zig_div_trunc_u128(zig_u128 lhs, zig_u128 rhs) { static zig_u128 zig_div_trunc_u128(zig_u128 lhs, zig_u128 rhs) {
zig_u128 rem; return __udivti3(lhs, rhs);
return __udivmodti4(lhs, rhs, &rem);
}; };
// TODO: Implement zig_extern zig_i128 __divti3(zig_i128 lhs, zig_i128 rhs);
zig_extern zig_i128 __modti3(zig_i128 lhs, zig_i128 rhs); static zig_i128 zig_div_trunc_i128(zig_i128 lhs, zig_i128 rhs) {
static zig_i128 zig_rem_i128(zig_i128 lhs, zig_i128 rhs) { return __divti3(lhs, rhs);
return __modti3(lhs, rhs); };
}
// TODO: Implement
zig_extern zig_u128 __umodti3(zig_u128 lhs, zig_u128 rhs); zig_extern zig_u128 __umodti3(zig_u128 lhs, zig_u128 rhs);
static zig_u128 zig_rem_u128(zig_u128 lhs, zig_u128 rhs) { static zig_u128 zig_rem_u128(zig_u128 lhs, zig_u128 rhs) {
return __umodti3(lhs, rhs); return __umodti3(lhs, rhs);
} }
zig_extern zig_i128 __modti3(zig_i128 lhs, zig_i128 rhs);
static zig_i128 zig_rem_i128(zig_i128 lhs, zig_i128 rhs) {
return __modti3(lhs, rhs);
}
static inline zig_i128 zig_mod_i128(zig_i128 lhs, zig_i128 rhs) { static inline zig_i128 zig_mod_i128(zig_i128 lhs, zig_i128 rhs) {
zig_i128 rem = zig_rem_i128(lhs, rhs); zig_i128 rem = zig_rem_i128(lhs, rhs);
return zig_add_i128(rem, (((lhs.hi ^ rhs.hi) & rem.hi) < zig_as_i64(0) ? rhs : zig_as_i128(0, 0))); return zig_add_i128(rem, (((lhs.hi ^ rhs.hi) & rem.hi) < zig_as_i64(0) ? rhs : zig_as_i128(0, 0)));
@ -1669,6 +1665,8 @@ static inline zig_i128 zig_bit_reverse_i128(zig_i128 val, zig_u8 bits) {
#define __builtin_nanf(str) nanf(str) #define __builtin_nanf(str) nanf(str)
#define __builtin_nanl(str) nanl(str) #define __builtin_nanl(str) nanl(str)
#define __builtin_inf() zig_msvc_flt_inf #define __builtin_inf() zig_msvc_flt_inf
#define __builtin_inff() zig_msvc_flt_inff
#define __builtin_infl() zig_msvc_flt_infl
#endif #endif
#define zig_has_f16 1 #define zig_has_f16 1