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* [gcc r14-4484] rs6000: enable SImode in FP register on P7
@ 2023-10-09 6:38 HaoChen Gui
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From: HaoChen Gui @ 2023-10-09 6:38 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:5cbe235de6d5c2a04a3116c6b6e63a0e4b8da304
commit r14-4484-g5cbe235de6d5c2a04a3116c6b6e63a0e4b8da304
Author: Haochen Gui <guihaoc@gcc.gnu.org>
Date: Mon Oct 9 14:33:23 2023 +0800
rs6000: enable SImode in FP register on P7
gcc/
PR target/88558
* config/rs6000/rs6000.cc (rs6000_hard_regno_mode_ok_uncached):
Enable SImode on FP registers for P7.
* config/rs6000/rs6000.md (*movsi_internal1): Add fmr for SImode
move between FP registers. Set attribute isa of stfiwx to "*"
and attribute of stxsiwx to "p7".
Diff:
---
gcc/config/rs6000/rs6000.cc | 2 +-
gcc/config/rs6000/rs6000.md | 15 ++++++++-------
2 files changed, 9 insertions(+), 8 deletions(-)
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index d10d22a5816..2828f01413c 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -1904,7 +1904,7 @@ rs6000_hard_regno_mode_ok_uncached (int regno, machine_mode mode)
if(GET_MODE_SIZE (mode) == UNITS_PER_FP_WORD)
return 1;
- if (TARGET_P8_VECTOR && (mode == SImode))
+ if (TARGET_POPCNTD && mode == SImode)
return 1;
if (TARGET_P9_VECTOR && (mode == QImode || mode == HImode))
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 96084c1f47b..fa433ef0188 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -7629,7 +7629,7 @@
(define_insn "*movsi_internal1"
[(set (match_operand:SI 0 "nonimmediate_operand"
- "=r, r,
+ "=r, r, d,
r, d, v,
m, ?Z, ?Z,
r, r, r, r,
@@ -7638,7 +7638,7 @@
wa, r,
r, *h, *h")
(match_operand:SI 1 "input_operand"
- "r, U,
+ "r, U, d,
m, ?Z, ?Z,
r, d, v,
I, L, eI, n,
@@ -7651,6 +7651,7 @@
"@
mr %0,%1
la %0,%a1
+ fmr %0,%1
lwz%U1%X1 %0,%1
lfiwzx %0,%y1
lxsiwzx %x0,%y1
@@ -7674,7 +7675,7 @@
mt%0 %1
nop"
[(set_attr "type"
- "*, *,
+ "*, *, fpsimple,
load, fpload, fpload,
store, fpstore, fpstore,
*, *, *, *,
@@ -7683,7 +7684,7 @@
mtvsr, mfvsr,
*, *, *")
(set_attr "length"
- "*, *,
+ "*, *, *,
*, *, *,
*, *, *,
*, *, *, 8,
@@ -7692,9 +7693,9 @@
*, *,
*, *, *")
(set_attr "isa"
- "*, *,
- *, p8v, p8v,
- *, p8v, p8v,
+ "*, *, *,
+ *, p7, p8v,
+ *, *, p8v,
*, *, p10, *,
p8v, p9v, p9v, p8v,
p9v, p8v, p9v,
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