From af0c51ac87ab2a87caa03fa108f0d164987a2764 Mon Sep 17 00:00:00 2001 From: Ben Cheng Date: Thu, 28 Mar 2013 11:14:20 -0700 Subject: [GCC 4.8] Initial check-in of GCC 4.8.0 Change-Id: I0719d8a6d0f69b367a6ab6f10eb75622dbf12771 --- gcc-4.8/gcc/testsuite/gcc.dg/pr35045.c | 38 ++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 gcc-4.8/gcc/testsuite/gcc.dg/pr35045.c (limited to 'gcc-4.8/gcc/testsuite/gcc.dg/pr35045.c') diff --git a/gcc-4.8/gcc/testsuite/gcc.dg/pr35045.c b/gcc-4.8/gcc/testsuite/gcc.dg/pr35045.c new file mode 100644 index 000000000..bcd01d751 --- /dev/null +++ b/gcc-4.8/gcc/testsuite/gcc.dg/pr35045.c @@ -0,0 +1,38 @@ +/* { dg-do run } */ +/* { dg-skip-if "" { { i?86-*-* x86_64-*-* } && { ia32 && { ! nonpic } } } { "*" } { "" } } */ +/* { dg-options "-O2 -fgcse-after-reload" } */ + +extern void abort (void); + +__attribute__((noinline)) __complex__ float +give_neg1 (void) +{ + __complex__ float res; + __real__ res = -1.0; + __imag__ res = 1.0; + return res; +} + +__attribute__((noinline)) __complex__ float +mycacoshf (__complex__ float x) +{ + __complex__ float res; + res = give_neg1 (); + + /* We have to use the positive branch. */ + if (__real__ res < 0.0) + { + unsigned a,b,c,d,e,f; + res = -res; + asm __volatile__ ("" : "=r" (a), "=r" (b), "=r" (c), "=r" (d), "=r" (e), "=r" (f)); + } + return res; +} + +int main() +{ + __complex__ float res = mycacoshf(1.0); + if (__imag__ res >= 0.0) + abort(); + return 0; +} -- cgit v1.2.3