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author | Timothy Pearson <tpearson@raptorengineering.com> | 2019-05-11 15:12:49 -0500 |
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committer | Timothy Pearson <tpearson@raptorengineering.com> | 2019-05-11 15:12:49 -0500 |
commit | 9e80202352dd49bdd9e67b8b906d86f058431505 (patch) | |
tree | 5673c17aad6e3833da8c4ff21b5a11f666ec9fbe /src/tests/tcg/mips/mips32-dsp/extrv_w.c | |
download | hqemu-master.zip hqemu-master.tar.gz |
Diffstat (limited to 'src/tests/tcg/mips/mips32-dsp/extrv_w.c')
-rw-r--r-- | src/tests/tcg/mips/mips32-dsp/extrv_w.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/tests/tcg/mips/mips32-dsp/extrv_w.c b/src/tests/tcg/mips/mips32-dsp/extrv_w.c new file mode 100644 index 0000000..9e8b238 --- /dev/null +++ b/src/tests/tcg/mips/mips32-dsp/extrv_w.c @@ -0,0 +1,80 @@ +#include<stdio.h> +#include<assert.h> + +int main() +{ + int rt, rs, ach, acl, dsp; + int result; + + ach = 0x05; + acl = 0xB4CB; + dsp = 0x07; + rs = 0x03; + result = 0xA0001699; + + __asm + ("wrdsp %1, 0x01\n\t" + "mthi %3, $ac1\n\t" + "mtlo %4, $ac1\n\t" + "extrv.w %0, $ac1, %2\n\t" + "rddsp %1\n\t" + : "=r"(rt), "+r"(dsp) + : "r"(rs), "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) + ); + + rs = 4; + ach = 0x01; + acl = 0xB4CB; + result = 0x10000B4C; + __asm + ("wrdsp %1, 0x01\n\t" + "mthi %3, $ac1\n\t" + "mtlo %4, $ac1\n\t" + "extrv.w %0, $ac1, %2\n\t" + "rddsp %1\n\t" + : "=r"(rt), "+r"(dsp) + : "r"(rs), "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) + ); + + rs = 31; + ach = 0x3fffffff; + acl = 0x2bcdef01; + result = 0x7ffffffe; + __asm + ("wrdsp %1, 0x01\n\t" + "mthi %3, $ac1\n\t" + "mtlo %4, $ac1\n\t" + "extrv.w %0, $ac1, %2\n\t" + "rddsp %1\n\t" + : "=r"(rt), "+r"(dsp) + : "r"(rs), "r"(ach), "r"(acl) + ); + dsp = (dsp >> 23) & 0x01; + assert(dsp == 0); + assert(result == rt); + + + return 0; +} |