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[RS6000] Delete duplicate code
- From: Alan Modra <amodra at gmail dot com>
- To: gcc-patches at gcc dot gnu dot org
- Cc: Segher Boessenkool <segher at kernel dot crashing dot org>
- Date: Tue, 2 Aug 2016 23:58:37 +0930
- Subject: [RS6000] Delete duplicate code
- Authentication-results: sourceware.org; auth=none
This removes the duplicate (TARGET_POWERPC64 && size == 16) block.
Bootstrapped and regression tested powerpc64le-linux.
* config/rs6000/rs6000.c (rs6000_secondary_reload_direct_move):
Delete duplicated code.
diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index c16863d..5b9aae2 100644
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -19599,50 +19599,11 @@ rs6000_secondary_reload_direct_move (enum rs6000_reg_type to_type,
int cost = 0;
int size = GET_MODE_SIZE (mode);
- if (TARGET_POWERPC64)
- {
- if (size == 16)
- {
- /* Handle moving 128-bit values from GPRs to VSX point registers on
- ISA 2.07 (power8, power9) when running in 64-bit mode using
- XXPERMDI to glue the two 64-bit values back together. */
- if (to_type == VSX_REG_TYPE && from_type == GPR_REG_TYPE)
- {
- cost = 3; /* 2 mtvsrd's, 1 xxpermdi. */
- icode = reg_addr[mode].reload_vsx_gpr;
- }
-
- /* Handle moving 128-bit values from VSX point registers to GPRs on
- ISA 2.07 when running in 64-bit mode using XXPERMDI to get access to the
- bottom 64-bit value. */
- else if (to_type == GPR_REG_TYPE && from_type == VSX_REG_TYPE)
- {
- cost = 3; /* 2 mfvsrd's, 1 xxpermdi. */
- icode = reg_addr[mode].reload_gpr_vsx;
- }
- }
-
- else if (mode == SFmode)
- {
- if (to_type == GPR_REG_TYPE && from_type == VSX_REG_TYPE)
- {
- cost = 3; /* xscvdpspn, mfvsrd, and. */
- icode = reg_addr[mode].reload_gpr_vsx;
- }
-
- else if (to_type == VSX_REG_TYPE && from_type == GPR_REG_TYPE)
- {
- cost = 2; /* mtvsrz, xscvspdpn. */
- icode = reg_addr[mode].reload_vsx_gpr;
- }
- }
- }
-
if (TARGET_POWERPC64 && size == 16)
{
/* Handle moving 128-bit values from GPRs to VSX point registers on
- ISA 2.07 when running in 64-bit mode using XXPERMDI to glue the two
- 64-bit values back together. */
+ ISA 2.07 (power8, power9) when running in 64-bit mode using
+ XXPERMDI to glue the two 64-bit values back together. */
if (to_type == VSX_REG_TYPE && from_type == GPR_REG_TYPE)
{
cost = 3; /* 2 mtvsrd's, 1 xxpermdi. */
@@ -19659,6 +19620,21 @@ rs6000_secondary_reload_direct_move (enum rs6000_reg_type to_type,
}
}
+ else if (TARGET_POWERPC64 && mode == SFmode)
+ {
+ if (to_type == GPR_REG_TYPE && from_type == VSX_REG_TYPE)
+ {
+ cost = 3; /* xscvdpspn, mfvsrd, and. */
+ icode = reg_addr[mode].reload_gpr_vsx;
+ }
+
+ else if (to_type == VSX_REG_TYPE && from_type == GPR_REG_TYPE)
+ {
+ cost = 2; /* mtvsrz, xscvspdpn. */
+ icode = reg_addr[mode].reload_vsx_gpr;
+ }
+ }
+
else if (!TARGET_POWERPC64 && size == 8)
{
/* Handle moving 64-bit values from GPRs to floating point registers on
--
Alan Modra
Australia Development Lab, IBM