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| author | Roger Sayle <roger@eyesopen.com> | 2003-05-12 02:51:40 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2003-05-12 02:51:40 +0000 |
| commit | 358997e28a2aada18905dc8824252583116ed7df (patch) | |
| tree | 152c83a01df523308adb9ade7e3ecf52d5db6386 /gcc/reg-stack.c | |
| parent | 04f3680d863dd792eb98e3490daf5cf374555ed5 (diff) | |
| download | gcc-358997e28a2aada18905dc8824252583116ed7df.tar.gz | |
i386.md (logsf2, [...]): New patterns to implement log, logf and logl built-ins as inline x87 intrinsics.
* config/i386/i386.md (logsf2, logdf2, logxf2, logdf2): New patterns
to implement log, logf and logl built-ins as inline x87 intrinsics.
(UNSPEC_FYL2X): New unspec to represent x87's "fyl2x" instruction.
(*fyl2x_sfxf3, *fyl2x_dfxf3, *fyl2x_xf3, *fyl2x_tfxf3): New insn
patterns for x87's "fyl2x" instruction, used by log?f2 patterns.
* reg-stack.c (subst_stack_regs_pat): Handle UNSPEC_FYL2X like
UNSPEC_FPATAN, i.e. replaces two stack operands with single result.
* gcc.dg/i386-387-1.c: Update to also test log.
* gcc.dg/i386-387-2.c: Likewise.
From-SVN: r66709
Diffstat (limited to 'gcc/reg-stack.c')
| -rw-r--r-- | gcc/reg-stack.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index 525d0669440..75a59e68727 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -1729,6 +1729,7 @@ subst_stack_regs_pat (insn, regstack, pat) break; case UNSPEC_FPATAN: + case UNSPEC_FYL2X: /* These insns operate on the top two stack slots. */ src1 = get_true_reg (&XVECEXP (pat_src, 0, 0)); |