diff options
| author | bonzini <bonzini@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-06-07 12:07:24 +0000 |
|---|---|---|
| committer | bonzini <bonzini@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-06-07 12:07:24 +0000 |
| commit | 389d0d0467e2f6ed6f4757fc4fb2e2ca50d96cf1 (patch) | |
| tree | d535bd11e0e10ab904853586862b8d7741f5d78d /gcc/reg-stack.c | |
| parent | c6b395ddd534bc6f5779ad4689b650cf60bd22e7 (diff) | |
| download | gcc-389d0d0467e2f6ed6f4757fc4fb2e2ca50d96cf1.tar.gz | |
2006-06-07 Paolo Bonzini <bonzini@gnu.org>
PR target/27390
* reg-stack.c (subst_stack_regs_pat): Reorder resetting of
the imaginary and real parts of a clobbered register.
Emit insn to set the imaginary part.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@114462 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/reg-stack.c')
| -rw-r--r-- | gcc/reg-stack.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c index bb2e1a1f9c6..83f4ebb081e 100644 --- a/gcc/reg-stack.c +++ b/gcc/reg-stack.c @@ -1371,16 +1371,20 @@ subst_stack_regs_pat (rtx insn, stack regstack, rtx pat) if (!note) { rtx t = *dest; - if (get_hard_regnum (regstack, t) == -1) - control_flow_insn_deleted - |= move_nan_for_stack_reg (insn, regstack, t); if (COMPLEX_MODE_P (GET_MODE (t))) { - t = FP_MODE_REG (REGNO (t) + 1, DFmode); - if (get_hard_regnum (regstack, t) == -1) - control_flow_insn_deleted - |= move_nan_for_stack_reg (insn, regstack, t); + rtx u = FP_MODE_REG (REGNO (t) + 1, SFmode); + if (get_hard_regnum (regstack, u) == -1) + { + rtx pat2 = gen_rtx_CLOBBER (VOIDmode, u); + rtx insn2 = emit_insn_before (pat2, insn); + control_flow_insn_deleted + |= move_nan_for_stack_reg (insn2, regstack, u); + } } + if (get_hard_regnum (regstack, t) == -1) + control_flow_insn_deleted + |= move_nan_for_stack_reg (insn, regstack, t); } } } |