From: bonzini Date: Wed, 7 Jun 2006 12:07:24 +0000 (+0000) Subject: 2006-06-07 Paolo Bonzini X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=commitdiff_plain;h=389d0d0467e2f6ed6f4757fc4fb2e2ca50d96cf1 2006-06-07 Paolo Bonzini 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 --- diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 2d79f7b1148..4c72bd917d3 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2006-06-07 Paolo Bonzini + + 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. + 2006-06-06 Peter Lemieszewski * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c 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); } } }