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Fix bugs in -mvsx-scalar-memory and -mvsx-scalar-double 

From-SVN: r183048
This commit is contained in:
Michael Meissner 2012-01-10 01:01:01 +00:00
parent a5c1636f5f
commit df5a9a7ccc
3 changed files with 25 additions and 5 deletions
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9
gcc/ChangeLog
View File

@ -1,3 +1,12 @@
* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
reload patterns if -mvsx-scalar-memory.
* config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
generated, even -mno-vsx-scalar-double was used.
(vsx_xscvdpsp_scalar): Likewise.
(vsx_xscvspdp_scalar2): Likewise.
2012-01-09 Tom de Vries <tom@codesourcery.com>
Andrew Pinski <apinski@cavium.com>

13
gcc/config/rs6000/rs6000.c
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@ -1,6 +1,7 @@
/* Subroutines used for code generation on IBM RS/6000.
Copyright (C) 1991, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011,
2012
Free Software Foundation, Inc.
Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
@ -2332,6 +2333,11 @@ rs6000_init_hard_regno_mode_ok (bool global_init_p)
rs6000_vector_reload[V4SFmode][1] = CODE_FOR_reload_v4sf_di_load;
rs6000_vector_reload[V2DFmode][0] = CODE_FOR_reload_v2df_di_store;
rs6000_vector_reload[V2DFmode][1] = CODE_FOR_reload_v2df_di_load;
if (TARGET_VSX && TARGET_VSX_SCALAR_MEMORY)
{
rs6000_vector_reload[DFmode][0] = CODE_FOR_reload_df_di_store;
rs6000_vector_reload[DFmode][1] = CODE_FOR_reload_df_di_load;
}
}
else
{
@ -2347,6 +2353,11 @@ rs6000_init_hard_regno_mode_ok (bool global_init_p)
rs6000_vector_reload[V4SFmode][1] = CODE_FOR_reload_v4sf_si_load;
rs6000_vector_reload[V2DFmode][0] = CODE_FOR_reload_v2df_si_store;
rs6000_vector_reload[V2DFmode][1] = CODE_FOR_reload_v2df_si_load;
if (TARGET_VSX && TARGET_VSX_SCALAR_MEMORY)
{
rs6000_vector_reload[DFmode][0] = CODE_FOR_reload_df_si_store;
rs6000_vector_reload[DFmode][1] = CODE_FOR_reload_df_si_load;
}
}
}

8
gcc/config/rs6000/vsx.md
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@ -1,5 +1,5 @@
;; VSX patterns.
;; Copyright (C) 2009, 2010, 2011
;; Copyright (C) 2009, 2010, 2011, 2012
;; Free Software Foundation, Inc.
;; Contributed by Michael Meissner <meissner@linux.vnet.ibm.com>
@ -919,7 +919,7 @@
[(set (match_operand:DF 0 "vsx_register_operand" "=ws,?wa")
(unspec:DF [(match_operand:V4SF 1 "vsx_register_operand" "wa,wa")]
UNSPEC_VSX_CVSPDP))]
"VECTOR_UNIT_VSX_P (DFmode)"
"VECTOR_UNIT_VSX_P (V4SFmode)"
"xscvspdp %x0,%x1"
[(set_attr "type" "fp")])
@ -929,7 +929,7 @@
[(set (match_operand:V4SF 0 "vsx_register_operand" "=wa")
(unspec:V4SF [(match_operand:SF 1 "vsx_register_operand" "f")]
UNSPEC_VSX_CVSPDP))]
"VECTOR_UNIT_VSX_P (DFmode)"
"VECTOR_UNIT_VSX_P (V4SFmode)"
"xscvdpsp %x0,%x1"
[(set_attr "type" "fp")])
@ -938,7 +938,7 @@
[(set (match_operand:SF 0 "vsx_register_operand" "=f")
(unspec:SF [(match_operand:V4SF 1 "vsx_register_operand" "wa")]
UNSPEC_VSX_CVSPDP))]
"VECTOR_UNIT_VSX_P (DFmode)"
"VECTOR_UNIT_VSX_P (V4SFmode)"
"xscvspdp %x0,%x1"
[(set_attr "type" "fp")])