[PATHC][x86] Scalar mask and round RTL templates

[Peryt, Sebastian]

Hi,

This patch adds three extra RTL meta-templates for scalar round and mask. 
Additionally fixes errors caused by previous mask and round usage in some of 
the intrinsics that I found.

2017-06-23  Sebastian Peryt  <sebastian.pe...@intel.com>

gcc/
        * config/i386/subst.md (mask_scalar, round_scalar, 
round_saeonly_scalar): New templates.
        (mask_scalar_name, mask_scalar_operand3, round_scalar_name,
        round_scalar_mask_operand3, round_scalar_mask_op3,
        round_scalar_constraint, round_scalar_prefix, round_saeonly_scalar_name,
        round_saeonly_scalar_mask_operand3, round_saeonly_scalar_mask_op3,
        round_saeonly_scalar_constraint, round_saeonly_scalar_prefix): New 
subst attribute.
        * config/i386/sse.md
        (<sse>_vm<plusminus_insn><mode>3<mask_name><round_name>): Renamed to ...
        <sse>_vm<plusminus_insn><mode>3<mask_scalar_name><round_scalar_name> 
... this.
        (<sse>_vm<multdiv_mnemonic><mode>3<mask_name><round_name>): Renamed to 
...
        <sse>_vm<multdiv_mnemonic><mode>3<mask_scalar_name><round_scalar_name> 
... this.
        (<sse>_vm<code><mode>3<mask_name><round_saeonly_name>): Renamed to ...
        <sse>_vm<code><mode>3<mask_scalar_name><round_saeonly_scalar_name> ... 
this.
        (v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, 
%0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to 
...
        v<plusminus_mnemonic><ssescalarmodesuffix>\t{<round_scalar_mask_op3>%2, 
%1, %0<mask_scalar_operand3>|%0<mask_scalar_operand3>, %1, 
%<iptr>2<round_scalar_mask_op3>} ... this.
        (v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_mask_op3>%2, %1, 
%0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_mask_op3>}): Changed to 
...
        v<multdiv_mnemonic><ssescalarmodesuffix>\t{<round_scalar_mask_op3>%2, 
%1, %0<mask_scalar_operand3>|%0<mask_scalar_operand3>, %1, 
%<iptr>2<round_scalar_mask_op3>} ... this.
        (v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_mask_op3>%2, %1, 
%0<mask_operand3>|%0<mask_operand3>, %1, %<iptr>2<round_saeonly_mask_op3>}): 
Changed to ...
        
v<maxmin_float><ssescalarmodesuffix>\t{<round_saeonly_scalar_mask_op3>%2, %1, 
%0<mask_scalar_operand3>|%0<mask_scalar_operand3>, %1, 
%<iptr>2<round_saeonly_scalar_mask_op3>} ... this.

Is it ok for trunk?

Thanks,
Sebastian

Scalar-templates.patch
Description: Scalar-templates.patch