* [PATCH] rs6000: Add CCANY; replace <un>signed by <mode:CCANY>
@ 2022-10-25 16:29 Segher Boessenkool
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From: Segher Boessenkool @ 2022-10-25 16:29 UTC (permalink / raw)
To: gcc-patches; +Cc: dje.gcc, Kewen.Lin, Segher Boessenkool
This is in preparation for adding CCFP, and maybe CCEQ, and whatever
other CC mode we may want later. CCANY is used for CC mode consumers
that actually can take any of the four CR field bits.
Tested on p7 and p9; committing,
Segher
2022-10-25 Segher Boessenkool <segher@kernel.crashing.org>
* config/rs6000/rs6000.md (CCEITHER): Delete.
(CCANY): New.
(un): Delete.
(isel_<un>signed_<GPR:mode>): Rename to...
(isel_<CCANY:mode>_<GPR:mode>): ... this. Adjust.
(*isel_reversed_<un>signed_<GPR:mode>): Rename to...
(*isel_reversed_<CCANY:mode>_<GPR:mode>): ... this. Adjust.
(setbc_<un>signed_<GPR:mode>): Rename to...
(setbc_<CCANY:mode>_<GPR:mode>C): ... this. Adjust."
(*setbcr_<un>signed_<GPR:mode>): Rename to ...
(*setbcr_<CCANY:mode>_<GPR:mode>): ... this. Adjust.
(*setnbc_<un>signed_<GPR:mode>): Rename to ...
(*setnbc_<CCANY:mode>_<GPR:mode>): ... this. Adjust.
(*setnbcr_<un>signed_<GPR:mode>): Rename to ...
(*setnbcr_<CCANY:mode>_<GPR:mode>): ... this. Adjust.
(eq<mode>3 for GPR): Adjust.
(ne<mode>3 for GPR): Adjust.
* config/rs6000/rs6000-string.cc (do_isel): Adjust.
* config/rs6000/rs6000.cc (rs6000_emit_int_cmove): Adjust.
---
gcc/config/rs6000/rs6000-string.cc | 4 ++--
gcc/config/rs6000/rs6000.cc | 4 ++--
gcc/config/rs6000/rs6000.md | 31 +++++++++++++++----------------
3 files changed, 19 insertions(+), 20 deletions(-)
diff --git a/gcc/config/rs6000/rs6000-string.cc b/gcc/config/rs6000/rs6000-string.cc
index 59d901a..cd8ee8c 100644
--- a/gcc/config/rs6000/rs6000-string.cc
+++ b/gcc/config/rs6000/rs6000-string.cc
@@ -414,9 +414,9 @@ static void
do_isel (rtx dest, rtx cmp, rtx src_t, rtx src_f, rtx cr)
{
if (GET_MODE (dest) == DImode)
- emit_insn (gen_isel_signed_di (dest, cmp, src_t, src_f, cr));
+ emit_insn (gen_isel_cc_di (dest, cmp, src_t, src_f, cr));
else
- emit_insn (gen_isel_signed_si (dest, cmp, src_t, src_f, cr));
+ emit_insn (gen_isel_cc_si (dest, cmp, src_t, src_f, cr));
}
/* Emit a subtract of the proper mode for DEST.
diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc
index d2743f7..01e5bbc 100644
--- a/gcc/config/rs6000/rs6000.cc
+++ b/gcc/config/rs6000/rs6000.cc
@@ -16341,8 +16341,8 @@ rs6000_emit_int_cmove (rtx dest, rtx op, rtx true_cond, rtx false_cond)
signedp = GET_MODE (cr) == CCmode;
isel_func = (mode == SImode
- ? (signedp ? gen_isel_signed_si : gen_isel_unsigned_si)
- : (signedp ? gen_isel_signed_di : gen_isel_unsigned_di));
+ ? (signedp ? gen_isel_cc_si : gen_isel_ccuns_si)
+ : (signedp ? gen_isel_cc_di : gen_isel_ccuns_di));
switch (cond_code)
{
diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index ad5a4cf..3bae303 100644
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -5428,13 +5428,12 @@ (define_expand "mov<mode>cc"
;; leave out the mode in operand 4 and use one pattern, but reload can
;; change the mode underneath our feet and then gets confused trying
;; to reload the value.
-(define_mode_iterator CCEITHER [CC CCUNS])
-(define_mode_attr un [(CC "") (CCUNS "un")])
-(define_insn "isel_<un>signed_<GPR:mode>"
+(define_mode_iterator CCANY [CC CCUNS])
+(define_insn "isel_<CCANY:mode>_<GPR:mode>"
[(set (match_operand:GPR 0 "gpc_reg_operand" "=r,r")
(if_then_else:GPR
(match_operator 1 "scc_comparison_operator"
- [(match_operand:CCEITHER 4 "cc_reg_operand" "y,y")
+ [(match_operand:CCANY 4 "cc_reg_operand" "y,y")
(const_int 0)])
(match_operand:GPR 2 "reg_or_zero_operand" "O,b")
(match_operand:GPR 3 "gpc_reg_operand" "r,r")))]
@@ -5446,11 +5445,11 @@ (define_insn "isel_<un>signed_<GPR:mode>"
;; isel can handle reversed comparisons so long as the operands are
;; registers.
-(define_insn "*isel_reversed_<un>signed_<GPR:mode>"
+(define_insn "*isel_reversed_<CCANY:mode>_<GPR:mode>"
[(set (match_operand:GPR 0 "gpc_reg_operand" "=r,r")
(if_then_else:GPR
(match_operator 1 "scc_rev_comparison_operator"
- [(match_operand:CCEITHER 4 "cc_reg_operand" "y,y")
+ [(match_operand:CCANY 4 "cc_reg_operand" "y,y")
(const_int 0)])
(match_operand:GPR 2 "gpc_reg_operand" "r,r")
(match_operand:GPR 3 "reg_or_zero_operand" "O,b")))]
@@ -5462,38 +5461,38 @@ (define_insn "*isel_reversed_<un>signed_<GPR:mode>"
[(set_attr "type" "isel")])
; Set Boolean Condition (Reverse)
-(define_insn "setbc_<un>signed_<GPR:mode>"
+(define_insn "setbc_<CCANY:mode>_<GPR:mode>"
[(set (match_operand:GPR 0 "gpc_reg_operand" "=r")
(match_operator:GPR 1 "scc_comparison_operator"
- [(match_operand:CCEITHER 2 "cc_reg_operand" "y")
+ [(match_operand:CCANY 2 "cc_reg_operand" "y")
(const_int 0)]))]
"TARGET_POWER10"
"setbc %0,%j1"
[(set_attr "type" "isel")])
-(define_insn "*setbcr_<un>signed_<GPR:mode>"
+(define_insn "*setbcr_<CCANY:mode>_<GPR:mode>"
[(set (match_operand:GPR 0 "gpc_reg_operand" "=r")
(match_operator:GPR 1 "scc_rev_comparison_operator"
- [(match_operand:CCEITHER 2 "cc_reg_operand" "y")
+ [(match_operand:CCANY 2 "cc_reg_operand" "y")
(const_int 0)]))]
"TARGET_POWER10"
"setbcr %0,%j1"
[(set_attr "type" "isel")])
; Set Negative Boolean Condition (Reverse)
-(define_insn "*setnbc_<un>signed_<GPR:mode>"
+(define_insn "*setnbc_<CCANY:mode>_<GPR:mode>"
[(set (match_operand:GPR 0 "gpc_reg_operand" "=r")
(neg:GPR (match_operator:GPR 1 "scc_comparison_operator"
- [(match_operand:CCEITHER 2 "cc_reg_operand" "y")
+ [(match_operand:CCANY 2 "cc_reg_operand" "y")
(const_int 0)])))]
"TARGET_POWER10"
"setnbc %0,%j1"
[(set_attr "type" "isel")])
-(define_insn "*setnbcr_<un>signed_<GPR:mode>"
+(define_insn "*setnbcr_<CCANY:mode>_<GPR:mode>"
[(set (match_operand:GPR 0 "gpc_reg_operand" "=r")
(neg:GPR (match_operator:GPR 1 "scc_rev_comparison_operator"
- [(match_operand:CCEITHER 2 "cc_reg_operand" "y")
+ [(match_operand:CCANY 2 "cc_reg_operand" "y")
(const_int 0)])))]
"TARGET_POWER10"
"setnbcr %0,%j1"
@@ -12644,7 +12643,7 @@ (define_expand "eq<mode>3"
rtx compare = gen_rtx_COMPARE (CCmode, operands[1], operands[2]);
emit_insn (gen_rtx_SET (cc, compare));
rtx eq = gen_rtx_fmt_ee (EQ, <MODE>mode, cc, const0_rtx);
- emit_insn (gen_setbc_signed_<mode> (operands[0], eq, cc));
+ emit_insn (gen_setbc_cc_<mode> (operands[0], eq, cc));
DONE;
}
@@ -12700,7 +12699,7 @@ (define_expand "ne<mode>3"
rtx compare = gen_rtx_COMPARE (CCmode, operands[1], operands[2]);
emit_insn (gen_rtx_SET (cc, compare));
rtx ne = gen_rtx_fmt_ee (NE, <MODE>mode, cc, const0_rtx);
- emit_insn (gen_setbc_signed_<mode> (operands[0], ne, cc));
+ emit_insn (gen_setbc_cc_<mode> (operands[0], ne, cc));
DONE;
}
--
1.8.3.1
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