test/immwarn.asm: new test for immediate warnings

Test for various conditions that should or should not generate
immediate warnings.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/test/immwarn.asm b/test/immwarn.asm
new file mode 100644 (file)
index 0000000..30ca080
--- /dev/null
+++ b/test/immwarn.asm
@@ -0,0 +1,54 @@
+;Testname=onowarn; Arguments=-Ox -DOPT=1 -DWARN=0 -fbin -oimmwarn.bin; Files=.stdout .stderr immwarn.bin
+;Testname=owarn; Arguments=-Ox -DOPT=1 -DWARN=1 -fbin -oimmwarn.bin; Files=.stdout .stderr immwarn.bin
+;Testname=nowarn; Arguments=-O0 -DOPT=0 -DWARN=0 -fbin -oimmwarn.bin; Files=.stdout .stderr immwarn.bin
+;Testname=warn; Arguments=-O0 -DOPT=1 -DWARN=1 -fbin -oimmwarn.bin; Files=.stdout .stderr immwarn.bin
+
+%ifndef WARN
+  %define WARN 1
+%endif
+
+       bits 16
+       push 1
+%if WARN
+       push 0ffffffffh
+%endif
+       push -1
+       push 0ffffh
+
+       add ax,0FFFFh
+%if WARN
+       add ax,0FFFFFFFFh
+%endif
+       add ax,-1
+
+       bits 32
+       push 1
+       push 0ffffffffh
+       push -1
+       push 0ffffh
+
+       push byte 1
+%if WARN
+       push byte 0ffffffffh
+%endif
+       push byte -1
+
+       push word 1
+       push word 0ffffh
+       push word -1
+
+       push dword 1
+       push dword 0ffffffffh
+       push dword -1
+
+       add eax,0FFFFh
+       add eax,0FFFFFFFFh
+       add eax,-1
+
+       bits 64
+       mov rax,7fffffffh
+       mov rax,80000000h
+;      mov rax,dword 80000000h
+       add rax,0FFFFh
+       add rax,0FFFFFFFFh
+       add rax,-1