Merge commit 'upstream/2.20'

[msp430-binutils.git] / ld / testsuite / ld-arm / thumb2-bl-blx-interwork.s

diff --git a/ld/testsuite/ld-arm/thumb2-bl-blx-interwork.s b/ld/testsuite/ld-arm/thumb2-bl-blx-interwork.s
new file mode 100644 (file)
index 0000000..dba46af
--- /dev/null
+++ b/ld/testsuite/ld-arm/thumb2-bl-blx-interwork.s
@@ -0,0 +1,87 @@
+       .arch armv7-a
+       .global _start
+       .syntax unified
+       .text
+       .thumb
+
+       .macro do_calls
+       @ The following four instructions are accepted by gas, but generate
+       @ meaningless code.
+       @bl.w arm0
+       @bl.w arm4
+       @nop
+       @bl.w arm0
+       @bl.w arm4
+       @nop
+       blx.w arm0
+       blx.w arm4
+       nop
+       blx.w arm0
+       blx.w arm4
+       nop
+       bl.w thumb0
+       bl.w thumb2
+       bl.w thumb4
+       bl.w thumb6
+       nop
+       bl.w thumb0
+       bl.w thumb2
+       bl.w thumb4
+       bl.w thumb6
+       nop
+       @ These eight are all accepted by gas, but generate bad code.
+       @blx.w thumb0
+       @blx.w thumb2
+       @blx.w thumb4
+       @blx.w thumb6
+       @nop
+       @blx.w thumb0
+       @blx.w thumb2
+       @blx.w thumb4
+       @blx.w thumb6
+       .endm
+
+       .thumb_func
+       .align 3
+_start:
+       do_calls
+
+       .arm
+       .align 3
+arm0:
+       bx lr
+
+       .align 3
+       nop
+arm4:
+       bx lr
+
+       .thumb
+       .thumb_func
+       .align 3
+thumb0:
+       bx lr
+
+       .thumb_func
+       .align 3
+       nop
+thumb2:
+       bx lr
+
+       .thumb_func
+       .align 3
+       nop
+       nop
+thumb4:
+       bx lr
+
+       .thumb_func
+       .align 3
+       nop
+       nop
+       nop
+thumb6:
+       bx lr
+
+backwards:
+       do_calls