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Diffstat (limited to 'qemu/tests/tcg/mips/mips32-dsp/extr_w.c')
-rw-r--r--qemu/tests/tcg/mips/mips32-dsp/extr_w.c94
1 files changed, 94 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips32-dsp/extr_w.c b/qemu/tests/tcg/mips/mips32-dsp/extr_w.c
new file mode 100644
index 000000000..cf926146d
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips32-dsp/extr_w.c
@@ -0,0 +1,94 @@
+#include<stdio.h>
+#include<assert.h>
+
+int main()
+{
+ int rt, ach, acl, dsp;
+ int result;
+
+ ach = 0x05;
+ acl = 0xB4CB;
+ result = 0xA0001699;
+ __asm
+ ("mthi %2, $ac1\n\t"
+ "mtlo %3, $ac1\n\t"
+ "extr.w %0, $ac1, 0x03\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rt), "=r"(dsp)
+ : "r"(ach), "r"(acl)
+ );
+ dsp = (dsp >> 23) & 0x01;
+ assert(dsp == 1);
+ assert(result == rt);
+
+ /* Clear dspcontrol */
+ dsp = 0;
+ __asm
+ ("wrdsp %0\n\t"
+ :
+ : "r"(dsp)
+ );
+
+ ach = 0x01;
+ acl = 0xB4CB;
+ result = 0x10000B4C;
+ __asm
+ ("mthi %2, $ac1\n\t"
+ "mtlo %3, $ac1\n\t"
+ "extr.w %0, $ac1, 0x04\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rt), "=r"(dsp)
+ : "r"(ach), "r"(acl)
+ );
+ dsp = (dsp >> 23) & 0x01;
+ assert(dsp == 0);
+ assert(result == rt);
+
+ /* Clear dspcontrol */
+ dsp = 0;
+ __asm
+ ("wrdsp %0\n\t"
+ :
+ : "r"(dsp)
+ );
+
+ ach = 0x3fffffff;
+ acl = 0x2bcdef01;
+ result = 0x7ffffffe;
+ __asm
+ ("mthi %2, $ac1\n\t"
+ "mtlo %3, $ac1\n\t"
+ "extr.w %0, $ac1, 0x1F\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rt), "=r"(dsp)
+ : "r"(ach), "r"(acl)
+ );
+ dsp = (dsp >> 23) & 0x01;
+ assert(dsp == 0);
+ assert(result == rt);
+
+ /* Clear dspcontrol */
+ dsp = 0;
+ __asm
+ ("wrdsp %0\n\t"
+ :
+ : "r"(dsp)
+ );
+
+ ach = 0xFFFFFFFF;
+ acl = 0xFFFFFFFF;
+ result = 0xFFFFFFFF;
+ __asm
+ ("mthi %2, $ac1\n\t"
+ "mtlo %3, $ac1\n\t"
+ "extr.w %0, $ac1, 0x1F\n\t"
+ "rddsp %1\n\t"
+ : "=r"(rt), "=r"(dsp)
+ : "r"(ach), "r"(acl)
+ );
+ dsp = (dsp >> 23) & 0x01;
+ assert(dsp == 0);
+ assert(result == rt);
+
+ return 0;
+}