T0b1/wasmtime
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

components: Fix support for 0-sized flags (#4560)

Browse Source 
This commit goes through and updates support in the various argument
passing routines to support 0-sized flags. A bit of a degenerate case
but clarified in WebAssembly/component-model#76 as intentional.
This commit is contained in:
Alex Crichton
2022-08-01 11:05:09 -05:00
committed by GitHub
parent 05e6abf2f6
commit 893fadb485
9 changed files with 59 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
tests/misc_testsuite/component-model/fused.wast
View File

@@ -1228,6 +1228,7 @@
;; test that flags get their upper bits all masked off
(component
(type $f0 (flags))
(type $f1 (flags "f1"))
(type $f8 (flags "f1" "f2" "f3" "f4" "f5" "f6" "f7" "f8"))
(type $f9 (flags "f1" "f2" "f3" "f4" "f5" "f6" "f7" "f8" "f9"))
@@ -1277,6 +1278,7 @@
(component $c1
(core module $m
(func (export "f0"))
(func (export "f1") (param i32)
(if (i32.ne (local.get 0) (i32.const 0x1)) (unreachable))
)
@@ -1310,6 +1312,7 @@
)
)
(core instance $m (instantiate $m))
(func (export "f0") (param $f0) (canon lift (core func $m "f0")))
(func (export "f1") (param $f1) (canon lift (core func $m "f1")))
(func (export "f8") (param $f8) (canon lift (core func $m "f8")))
(func (export "f9") (param $f9) (canon lift (core func $m "f9")))
@@ -1324,6 +1327,7 @@
(component $c2
(import "" (instance $i
(export "f0" (func (param $f0)))
(export "f1" (func (param $f1)))
(export "f8" (func (param $f8)))
(export "f9" (func (param $f9)))
@@ -1334,6 +1338,7 @@
(export "f64" (func (param $f64)))
(export "f65" (func (param $f65)))
))
(core func $f0 (canon lower (func $i "f0")))
(core func $f1 (canon lower (func $i "f1")))
(core func $f8 (canon lower (func $i "f8")))
(core func $f9 (canon lower (func $i "f9")))
@@ -1345,6 +1350,7 @@
(core func $f65 (canon lower (func $i "f65")))
(core module $m
(import "" "f0" (func $f0))
(import "" "f1" (func $f1 (param i32)))
(import "" "f8" (func $f8 (param i32)))
(import "" "f9" (func $f9 (param i32)))
@@ -1356,6 +1362,7 @@
(import "" "f65" (func $f65 (param i32 i32 i32)))
(func $start
(call $f0)
(call $f1 (i32.const 0xffffff01))
(call $f8 (i32.const 0xffffff11))
(call $f9 (i32.const 0xffffff11))
@@ -1371,6 +1378,7 @@
)
(core instance $m (instantiate $m
(with "" (instance
(export "f0" (func $f0))
(export "f1" (func $f1))
(export "f8" (func $f8))
(export "f9" (func $f9))