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author | Yang Zhang <yang.z.zhang@intel.com> | 2015-08-28 09:58:54 +0800 |
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committer | Yang Zhang <yang.z.zhang@intel.com> | 2015-09-01 12:44:00 +0800 |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/tests/tcg/mips/mips32-dsp/extp.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (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.c | 62 |
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; +} |