From 11717c64bf8b17397a6267638833ae6fca606a07 Mon Sep 17 00:00:00 2001 From: Bernd Schmidt Date: Thu, 6 Nov 2014 17:20:05 +0000 Subject: [PATCH] Allow a port to use pseudos as call args; don't put them in the fusage. * expr.c (use_reg_mode): Just return for pseudo registers. From-SVN: r217198 --- gcc/ChangeLog | 2 ++ gcc/expr.c | 5 ++++- 2 files changed, 6 insertions(+), 1 deletion(-) diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 4e9a739f0ec2..085f0b1ec2a6 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,7 @@ 2014-11-06 Bernd Schmidt + * expr.c (use_reg_mode): Just return for pseudo registers. + * combine.c (try_combine): Don't allow a call as one of the source insns. diff --git a/gcc/expr.c b/gcc/expr.c index f824cef3894f..203e28f56d18 100644 --- a/gcc/expr.c +++ b/gcc/expr.c @@ -2342,7 +2342,10 @@ copy_blkmode_to_reg (machine_mode mode, tree src) void use_reg_mode (rtx *call_fusage, rtx reg, machine_mode mode) { - gcc_assert (REG_P (reg) && REGNO (reg) < FIRST_PSEUDO_REGISTER); + gcc_assert (REG_P (reg)); + + if (!HARD_REGISTER_P (reg)) + return; *call_fusage = gen_rtx_EXPR_LIST (mode, gen_rtx_USE (VOIDmode, reg), *call_fusage); -- 2.47.3