From 9d5b9daeb91118c0b3b9f8fbce2f074917d292bc Mon Sep 17 00:00:00 2001 From: Roger Sayle Date: Sun, 15 Jun 2003 13:32:31 +0000 Subject: i386.md (expsf2, [...]): New patterns to implement exp, expf and expl built-ins as inline x87 intrinsics. * config/i386/i386.md (expsf2, expdf2, expxf2): New patterns to implement exp, expf and expl built-ins as inline x87 intrinsics. (UNSPEC_FSCALE, UNSPEC_FRNDINT, UNSPEC_F2XM1): New unspecs to represent x87's fscale, frndint and f2xm1 insns respectively. (*fscale_sfxf3, *fscale_dfxf3, *fscale_xf3): New insn patterns to encode x87's "fscale" instruction followed by a pop. (*frndintxf2): New insn pattern for "frndint". (*f2xm1xf2): New insn pattern for "f2xm1". * reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FRNDINT and UNSPEC_F2XM1 like UNSPEC_{SIN,COS} and handle UNSPEC_FSCALE like UNSPEC_FPATAN. * gcc.dg/builtins-22.c: New test case. * gcc.dg/i386-387-1.c: Update to test exp. * gcc.dg/i386-387-2.c: Likewise. From-SVN: r67973 --- gcc/testsuite/gcc.dg/builtins-22.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 gcc/testsuite/gcc.dg/builtins-22.c (limited to 'gcc/testsuite/gcc.dg/builtins-22.c') diff --git a/gcc/testsuite/gcc.dg/builtins-22.c b/gcc/testsuite/gcc.dg/builtins-22.c new file mode 100644 index 0000000..916890b --- /dev/null +++ b/gcc/testsuite/gcc.dg/builtins-22.c @@ -0,0 +1,12 @@ +/* Related to PR optimization/10764 */ + +/* { dg-do compile } */ +/* { dg-options "-O2 -ffast-math" } */ + +double exp(double x); + +double foo(double x) +{ + return exp(exp(x)); +} + -- cgit v1.1