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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/tests/tcg/mips/mips32-dsp/extp.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/tests/tcg/mips/mips32-dsp/extp.c')
-rw-r--r--qemu/tests/tcg/mips/mips32-dsp/extp.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips32-dsp/extp.c b/qemu/tests/tcg/mips/mips32-dsp/extp.c
new file mode 100644
index 000000000..b18bdb34c
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips32-dsp/extp.c
@@ -0,0 +1,62 @@
+#include<stdio.h>
+#include<assert.h>
+
+int main()
+{
+ int rt, ach, acl, dsp;
+ int result;
+
+ ach = 0x05;
+ acl = 0xB4CB;
+ dsp = 0x07;
+ result = 0x000C;
+
+ __asm
+ ("wrdsp %1, 0x01\n\t"
+ "mthi %2, $ac1\n\t"
+ "mtlo %3, $ac1\n\t"
+ "extp %0, $ac1, 0x03\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rt), "+r"(dsp)
+ : "r"(ach), "r"(acl)
+ );
+ dsp = (dsp >> 14) & 0x01;
+ assert(dsp == 0);
+ assert(result == rt);
+
+ ach = 0x05;
+ acl = 0xB4CB;
+ dsp = 0x01;
+
+ __asm
+ ("wrdsp %1, 0x01\n\t"
+ "mthi %2, $ac1\n\t"
+ "mtlo %3, $ac1\n\t"
+ "extp %0, $ac1, 0x03\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rt), "+r"(dsp)
+ : "r"(ach), "r"(acl)
+ );
+ dsp = (dsp >> 14) & 0x01;
+ assert(dsp == 1);
+
+ ach = 0;
+ acl = 0x80000001;
+ dsp = 0x1F;
+ result = 0x80000001;
+
+ __asm
+ ("wrdsp %1\n\t"
+ "mthi %2, $ac2\n\t"
+ "mtlo %3, $ac2\n\t"
+ "extp %0, $ac2, 0x1F\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rt), "+r"(dsp)
+ : "r"(ach), "r"(acl)
+ );
+ dsp = (dsp >> 14) & 0x01;
+ assert(dsp == 0);
+ assert(result == rt);
+
+ return 0;
+}