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Diffstat (limited to 'qemu/tests/tcg/mips/mips64-dsp/extp.c')
-rw-r--r--qemu/tests/tcg/mips/mips64-dsp/extp.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips64-dsp/extp.c b/qemu/tests/tcg/mips/mips64-dsp/extp.c
new file mode 100644
index 000000000..c72f54bac
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips64-dsp/extp.c
@@ -0,0 +1,50 @@
+#include "io.h"
+
+int main(void)
+{
+ long long rt, ach, acl, dsp;
+ long long 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;
+ if ((dsp != 0) || (result != rt)) {
+ printf("extp wrong\n");
+
+ return -1;
+ }
+
+ 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;
+ if (dsp != 1) {
+ printf("extp wrong\n");
+
+ return -1;
+ }
+
+ return 0;
+}