From 17d4e9b1e2d6d32da51278a4165621af99bade02 Mon Sep 17 00:00:00 2001 From: Fathi Boudra Date: Tue, 25 Dec 2012 16:58:54 +0200 Subject: Imported Upstream version 1.3.0-2012.12 --- tests/tcg/mips/mips32-dsp/extp.c | 44 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 tests/tcg/mips/mips32-dsp/extp.c (limited to 'tests/tcg/mips/mips32-dsp/extp.c') 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 +#include + +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; +} -- cgit v1.2.3