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Diffstat (limited to 'qemu/tests/tcg/mips/mips32-dsp/msub.c')
-rw-r--r--qemu/tests/tcg/mips/mips32-dsp/msub.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips32-dsp/msub.c b/qemu/tests/tcg/mips/mips32-dsp/msub.c
new file mode 100644
index 000000000..5779e6f47
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips32-dsp/msub.c
@@ -0,0 +1,30 @@
+#include<stdio.h>
+#include<assert.h>
+
+int main()
+{
+ int achi, acli, rs, rt;
+ int acho, aclo;
+ int resulth, resultl;
+
+ rs = 0x00BBAACC;
+ rt = 0x0B1C3D2F;
+ achi = 0x00004433;
+ acli = 0xFFCC0011;
+ resulth = 0xFFF81F29;
+ resultl = 0xB355089D;
+
+ __asm
+ ("mthi %2, $ac1\n\t"
+ "mtlo %3, $ac1\n\t"
+ "msub $ac1, %4, %5\n\t"
+ "mfhi %0, $ac1\n\t"
+ "mflo %1, $ac1\n\t"
+ : "=r"(acho), "=r"(aclo)
+ : "r"(achi), "r"(acli), "r"(rs), "r"(rt)
+ );
+ assert(acho == resulth);
+ assert(aclo == resultl);
+
+ return 0;
+}