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| author | Yiran Wang <yiran@google.com> | 2015-06-23 15:33:17 -0700 |
|---|---|---|
| committer | Yiran Wang <yiran@google.com> | 2015-06-29 10:56:28 -0700 |
| commit | 1d9fec7937f45dde5e04cac966a2d9a12f2fc15a (patch) | |
| tree | 3fbcd18a379a05fd6d43491a107e1f36bc61b185 /gcc-4.9/gcc/testsuite/gcc.target/aarch64/sisd-shft-neg_1.c | |
| parent | f378ebf14df0952eae870c9865bab8326aa8f137 (diff) | |
| download | toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.gz toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.tar.bz2 toolchain_gcc-1d9fec7937f45dde5e04cac966a2d9a12f2fc15a.zip | |
Synchronize with google/gcc-4_9 to r224707 (from r214835)
Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/aarch64/sisd-shft-neg_1.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/aarch64/sisd-shft-neg_1.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/aarch64/sisd-shft-neg_1.c b/gcc-4.9/gcc/testsuite/gcc.target/aarch64/sisd-shft-neg_1.c new file mode 100644 index 000000000..c091657cb --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/aarch64/sisd-shft-neg_1.c @@ -0,0 +1,38 @@ +/* { dg-do run } */ +/* { dg-options "-O2 -fno-inline" } */ + +extern void abort (void); + +#define force_simd_si(v) asm volatile ("mov %s0, %1.s[0]" :"=w" (v) :"w" (v) :) + +unsigned int +shft_add (unsigned int a, unsigned int b) +{ + unsigned int c; + + force_simd_si (a); + force_simd_si (b); + c = a >> b; + force_simd_si (c); + + return c + b; +} + +int +main (void) +{ + unsigned int i = 0; + unsigned int a = 0xdeadbeef; + + for (i = 0; i < 32; i++) + { + unsigned int exp = (a / (1 << i) + i); + unsigned int got = shft_add (a, i); + + if (exp != got) + abort (); + } + + return 0; +} + |