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Merge raw_union into struct as a memory layout tag #raw_union

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Ginger Bill
2017-07-18 19:24:45 +01:00
parent 65f079ebc4
commit 59fb7b020a
11 changed files with 242 additions and 294 deletions
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core/_preload.odin
+1 -1
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@@ -38,7 +38,7 @@ CallingConvention :: enum {
// The compiler relies upon this _exact_ order
TypeInfo :: struct #ordered {
// Core Types
EnumValue :: raw_union {
EnumValue :: struct #raw_union {
f: f64;
i: i128;
}
core/_soft_numbers.odin
+5 -5
View File
@@ -6,12 +6,12 @@ __multi3 :: proc(a, b: u128) -> u128 #cc_c #link_name "__multi3" {
when ODIN_ENDIAN == "bit" {
TWords :: raw_union {
TWords :: struct #raw_union {
all: u128;
using _: struct {lo, hi: u64;};
};
} else {
TWords :: raw_union {
TWords :: struct #raw_union {
all: u128;
using _: struct {hi, lo: u64;};
};
@@ -106,7 +106,7 @@ __u128_quo_mod :: proc(a, b: u128, rem: ^u128) -> (quo: u128) #cc_c #link_name "
__f16_to_f32 :: proc(f: f16) -> f32 #cc_c #no_inline #link_name "__gnu_h2f_ieee" {
when true {
// Source: https://fgiesen.wordpress.com/2012/03/28/half-to-float-done-quic/
FP32 :: raw_union {u: u32, f: f32};
FP32 :: struct #raw_union {u: u32, f: f32};
magic, was_infnan: FP32;
magic.u = (254-15) << 23;
@@ -130,8 +130,8 @@ __f16_to_f32 :: proc(f: f16) -> f32 #cc_c #no_inline #link_name "__gnu_h2f_ieee"
__f32_to_f16 :: proc(f_: f32) -> f16 #cc_c #no_inline #link_name "__gnu_f2h_ieee" {
when false {
// Source: https://gist.github.com/rygorous/2156668
FP16 :: raw_union {u: u16, f: f16};
FP32 :: raw_union {u: u32, f: f32};
FP16 :: struct #raw_union {u: u16, f: f16};
FP32 :: struct #raw_union {u: u32, f: f32};
f32infty, f16infty, magic: FP32;
f32infty.u = 255<<23;