Merge branch 'master' of https://github.com/odin-lang/Odin

core/runtime/internal.odin

@@ -2,13 +2,15 @@ package runtime
 
 import "core:intrinsics"
 
+@(private="file")
+IS_WASM :: ODIN_ARCH == "wasm32" || ODIN_ARCH == "wasm64"
+
 @(private)
 RUNTIME_LINKAGE :: "strong" when (
 	(ODIN_USE_SEPARATE_MODULES || 
 	ODIN_BUILD_MODE == "dynamic" || 
 	!ODIN_NO_CRT) &&
-	!(ODIN_ARCH == "wasm32" || 
-	  ODIN_ARCH == "wasm64")) else "internal"
+	!IS_WASM) else "internal"
 RUNTIME_REQUIRE :: true
 
 
@@ -752,6 +754,9 @@ extendhfsf2 :: proc "c" (value: u16) -> f32 {
 
 @(link_name="__floattidf", linkage=RUNTIME_LINKAGE, require=RUNTIME_REQUIRE)
 floattidf :: proc "c" (a: i128) -> f64 {
+when IS_WASM {
+	return 0
+} else {
 	DBL_MANT_DIG :: 53
 	if a == 0 {
 		return 0.0
@@ -791,10 +796,14 @@ floattidf :: proc "c" (a: i128) -> f64 {
 	fb[0] = u32(a)                           // mantissa-low
 	return transmute(f64)fb
 }
+}
 
 
 @(link_name="__floattidf_unsigned", linkage=RUNTIME_LINKAGE, require=RUNTIME_REQUIRE)
 floattidf_unsigned :: proc "c" (a: u128) -> f64 {
+when IS_WASM {
+	return 0
+} else {
 	DBL_MANT_DIG :: 53
 	if a == 0 {
 		return 0.0
@@ -832,6 +841,7 @@ floattidf_unsigned :: proc "c" (a: u128) -> f64 {
 	fb[0] = u32(a)                           // mantissa-low
 	return transmute(f64)fb
 }
+}
 
 
 

core/runtime/procs_wasm32.odin

@@ -1,23 +1,40 @@
 //+build wasm32
 package runtime
 
+@(private="file")
+ti_int :: struct #raw_union {
+	using s: struct { lo, hi: u64 },
+	all: i128,
+}
+
 @(link_name="__ashlti3", linkage="strong")
-__ashlti3 :: proc "c" (a: i64, b_: i32) -> i64 {
-	/*
+__ashlti3 :: proc "c" (a: i128, b_: u32) -> i128 {
+	bits_in_dword :: size_of(u32)*8
 	b := u32(b_)
-	input := transmute([2]i32)a
-	result: [2]i32
-	if b & 32 != 0 {
-		result[0] = 0
-		result[1] = input[0] << (b - 32)
+	
+	input, result: ti_int
+	input.all = a
+	if b & bits_in_dword != 0 {
+		result.lo = 0
+		result.hi = input.lo << (b-bits_in_dword)
 	} else {
 		if b == 0 {
 			return a
 		}
-		result[0] = input[0]<<b
-		result[1] = (input[1]<<b) | (input[0]>>(32-b))
+		result.lo = input.lo<<b
+		result.hi = (input.hi<<b) | (input.lo>>(bits_in_dword-b))
 	}
-	return transmute(i64)result
-	*/
-	return 0
+	return result.all
+}
+
+
+@(link_name="__multi3", linkage="strong")
+__multi3 :: proc "c" (a, b: i128) -> i128 {
+	x, y, r: ti_int
+	
+	x.all = a
+	y.all = b
+	r.all = i128(x.lo * y.lo) // TODO this is incorrect
+	r.hi += x.hi*y.lo + x.lo*y.hi
+	return r.all
 }