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* [gcc r13-3184] arc: Remove Rcr constraint
@ 2022-10-10 7:33 Claudiu Zissulescu
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From: Claudiu Zissulescu @ 2022-10-10 7:33 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:af681e948fb67978a7c97a7fc2bd0d226be6a53b
commit r13-3184-gaf681e948fb67978a7c97a7fc2bd0d226be6a53b
Author: Claudiu Zissulescu <claziss@gmail.com>
Date: Mon Oct 10 10:27:12 2022 +0300
arc: Remove Rcr constraint
gcc/ChangeLog:
* config/arc/arc.md(mulsi3_700): Remove Rcr.
(mulsi3_highpart): Likewise.
(umulsi3_highpart_i): Likewise.
(umulsi3_highpart_int): Likewise.
(macd): Likewise.
(macdu): Likewise.
* config/arc/constraints.md (Rcr): Remove it.
gcc/testsuite/ChangeLog:
* gcc.target/arc/tmac-2.c: Update test.
Signed-off-by: Claudiu Zissulescu <claziss@gmail.com>
Diff:
---
gcc/config/arc/arc.md | 36 +++++++++++++++++------------------
gcc/config/arc/constraints.md | 10 ----------
gcc/testsuite/gcc.target/arc/tmac-2.c | 2 +-
3 files changed, 19 insertions(+), 29 deletions(-)
diff --git a/gcc/config/arc/arc.md b/gcc/config/arc/arc.md
index 7170445309f..90ce66d45ba 100644
--- a/gcc/config/arc/arc.md
+++ b/gcc/config/arc/arc.md
@@ -2336,11 +2336,11 @@ archs4x, archs4xd"
; registers, since it cannot be the destination of a multi-cycle insn
; like MPY or MPYU.
(define_insn "mulsi3_700"
- [(set (match_operand:SI 0 "mpy_dest_reg_operand" "=Rcr,r,r,Rcr,r")
- (mult:SI (match_operand:SI 1 "register_operand" "%0,c,0,0,c")
- (match_operand:SI 2 "nonmemory_operand" "cL,cL,I,Cal,Cal")))]
+ [(set (match_operand:SI 0 "mpy_dest_reg_operand" "=r, r,r, r,r")
+ (mult:SI (match_operand:SI 1 "register_operand" "%0, r,0, 0,r")
+ (match_operand:SI 2 "nonmemory_operand" "rL,rL,I,Cal,Cal")))]
"TARGET_ARC700_MPY"
- "mpyu%? %0,%1,%2"
+ "mpyu%?\\t%0,%1,%2"
[(set_attr "length" "4,4,4,8,8")
(set_attr "type" "umulti")
(set_attr "predicable" "yes,no,no,yes,no")
@@ -2501,15 +2501,15 @@ archs4x, archs4xd"
(set_attr "length" "8")])
(define_insn "mulsi3_highpart"
- [(set (match_operand:SI 0 "register_operand" "=Rcr,r,Rcr,r")
+ [(set (match_operand:SI 0 "register_operand" "=r,r,r,r")
(truncate:SI
(lshiftrt:DI
(mult:DI
- (sign_extend:DI (match_operand:SI 1 "register_operand" "%0,c, 0,c"))
- (sign_extend:DI (match_operand:SI 2 "extend_operand" "c,c, i,i")))
+ (sign_extend:DI (match_operand:SI 1 "register_operand" "%0,r,0,r"))
+ (sign_extend:DI (match_operand:SI 2 "extend_operand" "r,r,i,i")))
(const_int 32))))]
"TARGET_MPY"
- "mpy%+%? %0,%1,%2"
+ "mpy%+%?\\t%0,%1,%2"
[(set_attr "length" "4,4,8,8")
(set_attr "type" "multi")
(set_attr "predicable" "yes,no,yes,no")
@@ -2518,15 +2518,15 @@ archs4x, archs4xd"
; Note that mpyhu has the same latency as mpy / mpyh,
; thus we use the type multi.
(define_insn "*umulsi3_highpart_i"
- [(set (match_operand:SI 0 "register_operand" "=Rcr,r,Rcr,r")
+ [(set (match_operand:SI 0 "register_operand" "=r,r,r,r")
(truncate:SI
(lshiftrt:DI
(mult:DI
- (zero_extend:DI (match_operand:SI 1 "register_operand" "%0,c, 0,c"))
- (zero_extend:DI (match_operand:SI 2 "extend_operand" "c,c, i,i")))
+ (zero_extend:DI (match_operand:SI 1 "register_operand" "%0,r,0,r"))
+ (zero_extend:DI (match_operand:SI 2 "extend_operand" "r,r,i,i")))
(const_int 32))))]
"TARGET_MPY"
- "mpy%+u%? %0,%1,%2"
+ "mpy%+u%?\\t%0,%1,%2"
[(set_attr "length" "4,4,8,8")
(set_attr "type" "multi")
(set_attr "predicable" "yes,no,yes,no")
@@ -2536,15 +2536,15 @@ archs4x, archs4xd"
;; need a separate pattern for immediates
;; ??? This is fine for combine, but not for reload.
(define_insn "umulsi3_highpart_int"
- [(set (match_operand:SI 0 "register_operand" "=Rcr, r, r,Rcr, r")
+ [(set (match_operand:SI 0 "register_operand" "=r, r, r,r, r")
(truncate:SI
(lshiftrt:DI
(mult:DI
- (zero_extend:DI (match_operand:SI 1 "register_operand" " 0, c, 0, 0, c"))
- (match_operand:DI 2 "immediate_usidi_operand" "L, L, I, Cal, Cal"))
+ (zero_extend:DI (match_operand:SI 1 "register_operand" " 0, r, 0, 0, r"))
+ (match_operand:DI 2 "immediate_usidi_operand" "L, L, I,Cal,Cal"))
(const_int 32))))]
"TARGET_MPY"
- "mpy%+u%? %0,%1,%2"
+ "mpy%+u%?\\t%0,%1,%2"
[(set_attr "length" "4,4,4,8,8")
(set_attr "type" "multi")
(set_attr "predicable" "yes,no,no,yes,no")
@@ -6141,7 +6141,7 @@ archs4x, archs4xd"
(set_attr "length" "36")])
(define_insn "macd"
- [(set (match_operand:DI 0 "even_register_operand" "=Rcr,r,r")
+ [(set (match_operand:DI 0 "even_register_operand" "=r,r,r")
(plus:DI
(mult:DI
(sign_extend:DI (match_operand:SI 1 "register_operand" "%0,r,r"))
@@ -6243,7 +6243,7 @@ archs4x, archs4xd"
(set_attr "length" "36")])
(define_insn "macdu"
- [(set (match_operand:DI 0 "even_register_operand" "=Rcr,r,r")
+ [(set (match_operand:DI 0 "even_register_operand" "=r,r,r")
(plus:DI
(mult:DI
(zero_extend:DI (match_operand:SI 1 "register_operand" "%0,r,r"))
diff --git a/gcc/config/arc/constraints.md b/gcc/config/arc/constraints.md
index 02aa37ffeca..039954ef048 100644
--- a/gcc/config/arc/constraints.md
+++ b/gcc/config/arc/constraints.md
@@ -466,16 +466,6 @@
&& TEST_HARD_REG_BIT (reg_class_contents[GENERAL_REGS],
REGNO (op))")))
-(define_constraint "Rcr"
- "@internal
- Cryptic r - for use in early alternatives with matching constraint"
- (and (match_code "reg")
- (match_test
- "TARGET_Rcw
- && REGNO (op) < FIRST_PSEUDO_REGISTER
- && TEST_HARD_REG_BIT (reg_class_contents[GENERAL_REGS],
- REGNO (op))")))
-
(define_constraint "Rcb"
"@internal
Stack Pointer register @code{r28} - do not reload into its class"
diff --git a/gcc/testsuite/gcc.target/arc/tmac-2.c b/gcc/testsuite/gcc.target/arc/tmac-2.c
index ee1339a2f23..2bd051bb24c 100644
--- a/gcc/testsuite/gcc.target/arc/tmac-2.c
+++ b/gcc/testsuite/gcc.target/arc/tmac-2.c
@@ -7,5 +7,5 @@
/* { dg-final { scan-assembler "mac " } } */
/* { dg-final { scan-assembler "macu" } } */
-/* { dg-final { scan-assembler "mpym " } } */
+/* { dg-final { scan-assembler "mpym\\t" } } */
/* { dg-final { scan-assembler "mpymu" } } */
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