authorgravatar for thatlemon@gmail.comLemonBoy <thatlemon@gmail.com> 2019-05-08 23:54:43+02:00
committergravatar for thatlemon@gmail.comLemonBoy <thatlemon@gmail.com> 2019-05-09 00:07:46+02:00
log2dce137d926150d34ff7a3650da48c211e34771a
treec8a55f9e5b69bdd1cc9b94c640b456a8939406e2
parent2be066d057946eae592307f8f16679626b85b31d

compiler-rt: Add __extendsfdf2

Add AEABI builtin __aeabi_f2d

2 files changed, 13 insertions(+), 4 deletions(-)

std/special/compiler_rt.zig+3
...@@ -92,6 +92,8 @@ comptime {...@@ -92,6 +92,8 @@ comptime {
9292
93 @export("__truncdfsf2", @import("compiler_rt/truncXfYf2.zig").__truncdfsf2, linkage);93 @export("__truncdfsf2", @import("compiler_rt/truncXfYf2.zig").__truncdfsf2, linkage);
9494
95 @export("__extendsfdf2", @import("compiler_rt/extendXfYf2.zig").__extendsfdf2, linkage);
96
95 @export("__fixunssfsi", @import("compiler_rt/fixunssfsi.zig").__fixunssfsi, linkage);97 @export("__fixunssfsi", @import("compiler_rt/fixunssfsi.zig").__fixunssfsi, linkage);
96 @export("__fixunssfdi", @import("compiler_rt/fixunssfdi.zig").__fixunssfdi, linkage);98 @export("__fixunssfdi", @import("compiler_rt/fixunssfdi.zig").__fixunssfdi, linkage);
97 @export("__fixunssfti", @import("compiler_rt/fixunssfti.zig").__fixunssfti, linkage);99 @export("__fixunssfti", @import("compiler_rt/fixunssfti.zig").__fixunssfti, linkage);
...@@ -161,6 +163,7 @@ comptime {...@@ -161,6 +163,7 @@ comptime {
161 @export("__aeabi_memcmp4", __aeabi_memcmp, linkage);163 @export("__aeabi_memcmp4", __aeabi_memcmp, linkage);
162 @export("__aeabi_memcmp8", __aeabi_memcmp, linkage);164 @export("__aeabi_memcmp8", __aeabi_memcmp, linkage);
163165
166 @export("__aeabi_f2d", @import("compiler_rt/extendXfYf2.zig").__extendsfdf2, linkage);
164 @export("__aeabi_i2d", @import("compiler_rt/floatsiXf.zig").__floatsidf, linkage);167 @export("__aeabi_i2d", @import("compiler_rt/floatsiXf.zig").__floatsidf, linkage);
165 @export("__aeabi_l2d", @import("compiler_rt/floatdidf.zig").__floatdidf, linkage);168 @export("__aeabi_l2d", @import("compiler_rt/floatdidf.zig").__floatdidf, linkage);
166 @export("__aeabi_ui2d", @import("compiler_rt/floatunsidf.zig").__floatunsidf, linkage);169 @export("__aeabi_ui2d", @import("compiler_rt/floatunsidf.zig").__floatunsidf, linkage);
std/special/compiler_rt/extendXfYf2.zig+10-4
...@@ -2,21 +2,27 @@ const std = @import("std");...@@ -2,21 +2,27 @@ const std = @import("std");
2const builtin = @import("builtin");2const builtin = @import("builtin");
3const is_test = builtin.is_test;3const is_test = builtin.is_test;
44
5pub extern fn __extendsfdf2(a: f32) f64 {
6 return @inlineCall(extendXfYf2, f64, f32, @bitCast(u32, a));
7}
8
5pub extern fn __extenddftf2(a: f64) f128 {9pub extern fn __extenddftf2(a: f64) f128 {
6 return extendXfYf2(f128, f64, @bitCast(u64, a));10 return @inlineCall(extendXfYf2, f128, f64, @bitCast(u64, a));
7}11}
812
9pub extern fn __extendsftf2(a: f32) f128 {13pub extern fn __extendsftf2(a: f32) f128 {
10 return extendXfYf2(f128, f32, @bitCast(u32, a));14 return @inlineCall(extendXfYf2, f128, f32, @bitCast(u32, a));
11}15}
1216
13pub extern fn __extendhfsf2(a: u16) f32 {17pub extern fn __extendhfsf2(a: u16) f32 {
14 return extendXfYf2(f32, f16, a);18 return @inlineCall(extendXfYf2, f32, f16, a);
15}19}
1620
17const CHAR_BIT = 8;21const CHAR_BIT = 8;
1822
19inline fn extendXfYf2(comptime dst_t: type, comptime src_t: type, a: @IntType(false, @typeInfo(src_t).Float.bits)) dst_t {23fn extendXfYf2(comptime dst_t: type, comptime src_t: type, a: @IntType(false, @typeInfo(src_t).Float.bits)) dst_t {
24 @setRuntimeSafety(builtin.is_test);
25
20 const src_rep_t = @IntType(false, @typeInfo(src_t).Float.bits);26 const src_rep_t = @IntType(false, @typeInfo(src_t).Float.bits);
21 const dst_rep_t = @IntType(false, @typeInfo(dst_t).Float.bits);27 const dst_rep_t = @IntType(false, @typeInfo(dst_t).Float.bits);
22 const srcSigBits = std.math.floatMantissaBits(src_t);28 const srcSigBits = std.math.floatMantissaBits(src_t);