tinygo-org/tinygo
1
0
Fork 0
mirror of https://github.com/tinygo-org/tinygo.git synced 2026-08-15 00:13:43 +00:00
Code Issues Packages Projects Releases 6 Wiki Activity

arm: automatically determine stack sizes

Browse Source 
This is a big change that will determine the stack size for many
goroutines automatically. Functions that aren't recursive and don't call
function pointers can in many cases have an automatically determined
worst case stack size. This is useful, as the stack size is usually much
lower than the previous hardcoded default of 1024 bytes: somewhere
around 200-500 bytes is common.

A side effect of this change is that the default stack sizes (including
the stack size for other architectures such as AVR) can now be changed
in the config JSON file, making it tunable per application.
This commit is contained in:
Ayke van Laethem
2020-07-18 13:36:28 +02:00
committed by Ron Evans
parent a761f556ff
commit a21a039ac7
27 changed files with 416 additions and 77 deletions
Download Patch File Download Diff File Expand all files Collapse all files
transform/testdata/coroutines.ll
Vendored
+4 -4
View File
@@ -4,7 +4,7 @@ target triple = "armv7m-none-eabi"
%"internal/task.state" = type { i8* }
%"internal/task.Task" = type { %"internal/task.Task", i8*, i32, %"internal/task.state" }
declare void @"internal/task.start"(i32, i8*, i8*, i8*)
declare void @"internal/task.start"(i32, i8*, i32, i8*, i8*)
declare void @"internal/task.Pause"(i8*, i8*)
declare void @runtime.scheduler(i8*, i8*)
@@ -102,9 +102,9 @@ define void @sleepGoroutine(i8*, i8* %parentHandle) {
define void @progMain(i8*, i8* %parentHandle) {
entry:
; Call a sync func in a goroutine.
call void @"internal/task.start"(i32 ptrtoint (void (i8*, i8*)* @doNothing to i32), i8* undef, i8* undef, i8* null)
call void @"internal/task.start"(i32 ptrtoint (void (i8*, i8*)* @doNothing to i32), i8* undef, i32 undef, i8* undef, i8* null)
; Call an async func in a goroutine.
call void @"internal/task.start"(i32 ptrtoint (void (i8*, i8*)* @sleepGoroutine to i32), i8* undef, i8* undef, i8* null)
call void @"internal/task.start"(i32 ptrtoint (void (i8*, i8*)* @sleepGoroutine to i32), i8* undef, i32 undef, i8* undef, i8* null)
; Sleep a bit.
call void @sleep(i64 2000000, i8* undef, i8* null)
; Done.
@@ -114,7 +114,7 @@ entry:
; Entrypoint of runtime.
define void @main() {
entry:
call void @"internal/task.start"(i32 ptrtoint (void (i8*, i8*)* @progMain to i32), i8* undef, i8* undef, i8* null)
call void @"internal/task.start"(i32 ptrtoint (void (i8*, i8*)* @progMain to i32), i8* undef, i32 undef, i8* undef, i8* null)
call void @runtime.scheduler(i8* undef, i8* null)
ret void
}