Rename architecture 386 to i386

core/c/c.odin

@@ -48,7 +48,7 @@ int_least64_t  :: builtin.i64
 uint_least64_t :: builtin.u64
 
 // Same on Windows, Linux, and FreeBSD
-when ODIN_ARCH == "386" || ODIN_ARCH == "amd64" {
+when ODIN_ARCH == "i386" || ODIN_ARCH == "amd64" {
 	int_fast8_t    :: builtin.i8
 	uint_fast8_t   :: builtin.u8
 	int_fast16_t   :: builtin.i32

core/crypto/_fiat/field_poly1305/field.odin

@@ -22,7 +22,7 @@ fe_from_bytes :: #force_inline proc (out1: ^Tight_Field_Element, arg1: []byte, a
 
 	assert(len(arg1) == 16)
 
-	when ODIN_ARCH == "386" || ODIN_ARCH == "amd64" {
+	when ODIN_ARCH == "i386" || ODIN_ARCH == "amd64" {
 		// While it may be unwise to do deserialization here on our
 		// own when fiat-crypto provides equivalent functionality,
 		// doing it this way provides a little under 3x performance

core/crypto/chacha20/chacha20.odin

@@ -346,7 +346,7 @@ _do_blocks :: proc (ctx: ^Context, dst, src: []byte, nr_blocks: int) {
 		// Until dedicated assembly can be written leverage the fact that
 		// the callers of this routine ensure that src/dst are valid.
 
-		when ODIN_ARCH == "386" || ODIN_ARCH == "amd64" {
+		when ODIN_ARCH == "i386" || ODIN_ARCH == "amd64" {
 			// util.PUT_U32_LE/util.U32_LE are not required on little-endian
 			// systems that also happen to not be strict about aligned
 			// memory access.

core/runtime/entry_windows.odin

@@ -22,7 +22,7 @@ when ODIN_BUILD_MODE == .Dynamic {
 		return true
 	}
 } else when !ODIN_TEST && !ODIN_NO_ENTRY_POINT {
-	when ODIN_ARCH == "386" || ODIN_NO_CRT {
+	when ODIN_ARCH == "i386" || ODIN_NO_CRT {
 		@(link_name="mainCRTStartup", linkage="strong", require)
 		mainCRTStartup :: proc "stdcall" () -> i32 {
 			context = default_context()

core/sys/cpu/cpu_x86.odin

@@ -1,4 +1,4 @@
-//+build 386, amd64
+//+build i386, amd64
 package sys_cpu
 
 _cache_line_size :: 64;

core/sys/unix/syscalls_linux.odin

@@ -675,7 +675,7 @@ when ODIN_ARCH == "amd64" {
 	SYS_landlock_create_ruleset : uintptr : 444
 	SYS_landlock_add_rule : uintptr : 445
 	SYS_landlock_restrict_self : uintptr : 446
-} else when ODIN_ARCH == "386" {
+} else when ODIN_ARCH == "i386" {
 	SYS_restart_syscall : uintptr : 0
 	SYS_exit : uintptr : 1
 	SYS_fork : uintptr : 2