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author | Fathi Boudra <fathi.boudra@linaro.org> | 2012-12-25 16:58:54 +0200 |
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committer | Fathi Boudra <fathi.boudra@linaro.org> | 2012-12-25 16:58:54 +0200 |
commit | 17d4e9b1e2d6d32da51278a4165621af99bade02 (patch) | |
tree | 476579c2abd0da7fe508815b6bc7bcd5037193df /tests/tcg/mips/mips32-dsp/extp.c | |
parent | dd55a01d2af35f5e9dabb2b745770afd008c9e24 (diff) |
Imported Upstream version 1.3.0-2012.12upstream/1.3.0-2012.12
Diffstat (limited to 'tests/tcg/mips/mips32-dsp/extp.c')
-rw-r--r-- | tests/tcg/mips/mips32-dsp/extp.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/tests/tcg/mips/mips32-dsp/extp.c b/tests/tcg/mips/mips32-dsp/extp.c new file mode 100644 index 0000000..21a67af --- /dev/null +++ b/tests/tcg/mips/mips32-dsp/extp.c @@ -0,0 +1,44 @@ +#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); + + return 0; +} |