From 1bc5aee63eb72b341f506ad058502cd0361f0d10 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Tue, 25 Mar 2014 22:37:19 -0700 Subject: Initial checkin of GCC 4.9.0 from trunk (r208799). Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba --- .../gcc/testsuite/gcc.c-torture/execute/pr51933.c | 59 ++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr51933.c (limited to 'gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr51933.c') diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr51933.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr51933.c new file mode 100644 index 000000000..24abc9f1b --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/pr51933.c @@ -0,0 +1,59 @@ +/* PR rtl-optimization/51933 */ + +static signed char v1; +static unsigned char v2[256], v3[256]; + +__attribute__((noclone, noinline)) void +foo (void) +{ +#if defined(__s390__) && !defined(__zarch__) + /* S/390 31 bit cannot deal with more than one literal pool + reference per insn. */ + asm volatile ("" : : "g" (&v1) : "memory"); + asm volatile ("" : : "g" (&v2[0])); + asm volatile ("" : : "g" (&v3[0])); +#else + asm volatile ("" : : "g" (&v1), "g" (&v2[0]), "g" (&v3[0]) : "memory"); +#endif +} + +__attribute__((noclone, noinline)) int +bar (const int x, const unsigned short *y, char *z) +{ + int i; + unsigned short u; + if (!v1) + foo (); + for (i = 0; i < x; i++) + { + u = y[i]; + z[i] = u < 0x0100 ? v2[u] : v3[u & 0xff]; + } + z[x] = '\0'; + return x; +} + +int +main (void) +{ + char buf[18]; + unsigned short s[18]; + unsigned char c[18] = "abcdefghijklmnopq"; + int i; + for (i = 0; i < 256; i++) + { + v2[i] = i; + v3[i] = i + 1; + } + for (i = 0; i < 18; i++) + s[i] = c[i]; + s[5] |= 0x600; + s[6] |= 0x500; + s[11] |= 0x2000; + s[15] |= 0x500; + foo (); + if (bar (17, s, buf) != 17 + || __builtin_memcmp (buf, "abcdeghhijkmmnoqq", 18) != 0) + __builtin_abort (); + return 0; +} -- cgit v1.2.3