qbe

commit eda2db573741eef29f4d1f1e759a83e7cd468a94
parent 1ec70daee6b5a93973067c937c70e3f9e08c0fbe
Author: Quentin Carbonneaux <quentin@c9x.me>
Date:   Sun,  2 Apr 2023 16:58:48 +0200

tests for thread-local addresses

Diffstat:
M
test/tls.ssa
 | 
50
+++++++++++++++++++++++++++++++++++++++++++++++---

1 file changed, 47 insertions(+), 3 deletions(-)
diff --git a/test/tls.ssa b/test/tls.ssa
@@ -1,5 +1,8 @@
 thread data $i = align 4 {w 42}
-data $fmt = align 1 {b "i%d==%d\n", b 0}
+data $fmti = align 1 {b "i%d==%d\n", b 0}
+
+thread data $x = {w 1, w 2, w 3, w 4}
+data $fmtx = align 1 {b "*(x+%d)==%d\n", b 0}
 
 export
 function w $main() {
@@ -10,9 +13,21 @@ function w $main() {
 	%t =l load %pthr
 	call $pthread_join(l %t, l %rval)
 	%i0 =w loadw thread $i
-	call $printf(l $fmt, ..., w 0, w %i0)
+	call $printf(l $fmti, ..., w 0, w %i0)
 	%i1 =w load %rval
-	call $printf(l $fmt, ..., w 1, w %i1)
+	call $printf(l $fmti, ..., w 1, w %i1)
+
+	%a0 =l call $xaddr()
+	%x0 =w load %a0
+	call $printf(l $fmtx, ..., w 0, w %x0)
+	%a4 =l call $xaddroff4()
+	%x4 =w load %a4
+	call $printf(l $fmtx, ..., w 4, w %x4)
+	%a8 =l call $xaddroff(l 8)
+	%x8 =w load %a8
+	call $printf(l $fmtx, ..., w 8, w %x8)
+	%xc =l call $xvalcnt(l 3)
+	call $printf(l $fmtx, ..., w 12, w %xc)
 	ret 0
 }
 
@@ -24,7 +39,36 @@ function l $thread(l %arg) {
 	ret %ret
 }
 
+function l $xaddr() {
+@start
+	ret thread $x
+}
+
+function l $xaddroff4() {
+@start
+	%a =l add 4, thread $x
+	ret %a
+}
+
+function l $xaddroff(l %off) {
+@start
+	%a =l add thread $x, %off
+	ret %a
+}
+
+function w $xvalcnt(l %cnt) {
+@start
+	%o =l mul 4, %cnt
+	%a =l add thread $x, %o
+	%x =w load %a
+	ret %x
+}
+
 # >>> output
 # i0==42
 # i1==402653226
+# *(x+0)==1
+# *(x+4)==2
+# *(x+8)==3
+# *(x+12)==4
 # <<<