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Diffstat (limited to 'qemu/tests/tcg/mips/mips32-dspr2/subu_ph.c')
-rw-r--r--qemu/tests/tcg/mips/mips32-dspr2/subu_ph.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips32-dspr2/subu_ph.c b/qemu/tests/tcg/mips/mips32-dspr2/subu_ph.c
new file mode 100644
index 000000000..0d39a017c
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips32-dspr2/subu_ph.c
@@ -0,0 +1,40 @@
+#include<stdio.h>
+#include<assert.h>
+
+int main()
+{
+ int rd, rs, rt, dsp;
+ int result, resultdsp;
+
+ rs = 0x87654321;
+ rt = 0x11111111;
+ result = 0x76543210;
+ resultdsp = 0x00;
+
+ __asm
+ ("subu.ph %0, %2, %3\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rd), "=r"(dsp)
+ : "r"(rs), "r"(rt)
+ );
+ dsp = (dsp >> 20) & 0x01;
+ assert(dsp == resultdsp);
+ assert(rd == result);
+
+ rs = 0x87654321;
+ rt = 0x12345678;
+ result = 0x7531ECA9;
+ resultdsp = 0x01;
+
+ __asm
+ ("subu.ph %0, %2, %3\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rd), "=r"(dsp)
+ : "r"(rs), "r"(rt)
+ );
+ dsp = (dsp >> 20) & 0x01;
+ assert(dsp == resultdsp);
+ assert(rd == result);
+
+ return 0;
+}