aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.target/i386/sse4_1-round.h
diff options
context:
space:
mode:
authorBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
committerBen Cheng <bccheng@google.com>2014-03-25 22:37:19 -0700
commit1bc5aee63eb72b341f506ad058502cd0361f0d10 (patch)
treec607e8252f3405424ff15bc2d00aa38dadbb2518 /gcc-4.9/gcc/testsuite/gcc.target/i386/sse4_1-round.h
parent283a0bf58fcf333c58a2a92c3ebbc41fb9eb1fdb (diff)
downloadtoolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.gz
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.tar.bz2
toolchain_gcc-1bc5aee63eb72b341f506ad058502cd0361f0d10.zip
Initial checkin of GCC 4.9.0 from trunk (r208799).
Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/sse4_1-round.h')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.target/i386/sse4_1-round.h95
1 files changed, 95 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/sse4_1-round.h b/gcc-4.9/gcc/testsuite/gcc.target/i386/sse4_1-round.h
new file mode 100644
index 000000000..0210ac130
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/sse4_1-round.h
@@ -0,0 +1,95 @@
+#include <smmintrin.h>
+#include <math.h>
+
+#define NUM 64
+
+static void
+init_round (FP_T *src)
+{
+ int i, sign = 1;
+ FP_T f = rand ();
+
+ for (i = 0; i < NUM; i++)
+ {
+ src[i] = (i + 1)* f * M_PI * sign;
+ if (i < (NUM / 2))
+ {
+ if ((i % 6) == 0)
+ f = f * src[i];
+ }
+ else if (i == (NUM / 2))
+ f = rand ();
+ else if ((i % 6) == 0)
+ f = 1 / (f * (i + 1) * src[i] * M_PI *sign);
+ sign = -sign;
+ }
+}
+
+static FP_T
+do_round (FP_T f, int type)
+{
+ short saved_cw, new_cw, clr_mask;
+ FP_T ret;
+
+ if ((type & 4))
+ {
+ type = 0;
+ clr_mask = 0xFFFF;
+ }
+ else
+ {
+ type = 0x003F | ((type & 3) << 10);
+ clr_mask = ~0x0C3F;
+ }
+
+ __asm__ ("fld" ASM_SUFFIX " %0" : : "m" (*&f));
+
+ __asm__ ("fstcw %0" : "=m" (*&saved_cw));
+ new_cw = saved_cw & clr_mask;
+ new_cw |= type;
+ __asm__ ("fldcw %0" : : "m" (*&new_cw));
+
+ __asm__ ("frndint\n"
+ "fstp" ASM_SUFFIX " %0\n" : "=m" (*&ret));
+ __asm__ ("fldcw %0" : : "m" (*&saved_cw));
+ return ret;
+}
+
+static void
+sse4_1_test (void)
+{
+ int i;
+ FP_T f;
+ union
+ {
+ VEC_T x[NUM / LOOP_INCREMENT];
+ FP_T f[NUM];
+ } dst, src;
+
+ init_round (src.f);
+
+ for (i = 0; i < NUM / LOOP_INCREMENT; i++)
+ dst.x[i] = ROUND_INTRIN (src.x[i], ROUND_MODE);
+
+ for (i = 0; i < NUM; i += CHECK_LOOP_INCREMENT)
+ {
+ f = do_round (src.f[i], CHECK_ROUND_MODE);
+ if (f != dst.f[i])
+ abort ();
+ }
+
+ if (_MM_FROUND_TO_NEAREST_INT != 0x00
+ || _MM_FROUND_TO_NEG_INF != 0x01
+ || _MM_FROUND_TO_POS_INF != 0x02
+ || _MM_FROUND_TO_ZERO != 0x03
+ || _MM_FROUND_CUR_DIRECTION != 0x04
+ || _MM_FROUND_RAISE_EXC != 0x00
+ || _MM_FROUND_NO_EXC != 0x08
+ || _MM_FROUND_NINT != 0x00
+ || _MM_FROUND_FLOOR != 0x01
+ || _MM_FROUND_CEIL != 0x02
+ || _MM_FROUND_TRUNC != 0x03
+ || _MM_FROUND_RINT != 0x04
+ || _MM_FROUND_NEARBYINT != 0x0C)
+ abort ();
+}