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Allow a port to use pseudos as call args; don't put them in the fusage.

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* expr.c (use_reg_mode): Just return for pseudo registers.

From-SVN: r217198
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Bernd Schmidt 2014-11-06 17:20:05 +00:00 committed by Bernd Schmidt
parent 9cb6671480
commit 11717c64bf
2 changed files with 6 additions and 1 deletions
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2
gcc/ChangeLog
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@ -1,5 +1,7 @@
2014-11-06 Bernd Schmidt <bernds@codesourcery.com>
* 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.

5
gcc/expr.c
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@ -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);