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-rw-r--r--gnu/dist/gcc/config/sh/sh.md24
1 files changed, 13 insertions, 11 deletions
diff --git a/gnu/dist/gcc/config/sh/sh.md b/gnu/dist/gcc/config/sh/sh.md
index 5aba86a29f9..31bf5ff89a7 100644
--- a/gnu/dist/gcc/config/sh/sh.md
+++ b/gnu/dist/gcc/config/sh/sh.md
@@ -1946,19 +1946,20 @@
""
"sett")
-;; t/r is first, so that it will be preferred over r/r when reloading a move
-;; of a pseudo-reg into the T reg
+;; t/r must come after r/r, lest reload will try to reload stuff like
+;; (set (subreg:SI (mem:QI (plus:SI (reg:SI 15 r15) (const_int 12)) 0) 0)
+;; (made from (set (subreg:SI (reg:QI 73) 0) ) into T.
(define_insn "movsi_i"
- [(set (match_operand:SI 0 "general_movdst_operand" "=t,r,r,r,r,r,m,<,<,xl,x,l,r")
- (match_operand:SI 1 "general_movsrc_operand" "r,Q,rI,m,xl,t,r,x,l,r,>,>,i"))]
+ [(set (match_operand:SI 0 "general_movdst_operand" "=r,r,t,r,r,r,m,<,<,xl,x,l,r")
+ (match_operand:SI 1 "general_movsrc_operand" "Q,rI,r,mr,xl,t,r,x,l,r,>,>,i"))]
"
! TARGET_SH3E
&& (register_operand (operands[0], SImode)
|| register_operand (operands[1], SImode))"
"@
- cmp/pl %1
mov.l %1,%0
mov %1,%0
+ cmp/pl %1
mov.l %1,%0
sts %1,%0
movt %0
@@ -1969,7 +1970,7 @@
lds.l %1,%0
lds.l %1,%0
fake %1,%0"
- [(set_attr "type" "*,pcload_si,move,load_si,move,move,store,store,pstore,move,load,pload,pcload_si")
+ [(set_attr "type" "pcload_si,move,*,load_si,move,move,store,store,pstore,move,load,pload,pcload_si")
(set_attr "length" "*,*,*,*,*,*,*,*,*,*,*,*,*")])
;; t/r must come after r/r, lest reload will try to reload stuff like
@@ -1977,8 +1978,8 @@
;; ??? This allows moves from macl to fpul to be recognized, but these moves
;; will require a reload.
(define_insn "movsi_ie"
- [(set (match_operand:SI 0 "general_movdst_operand" "=r,r,t,r,r,r,m,<,<,xl,x,l,r,y,r,y")
- (match_operand:SI 1 "general_movsrc_operand" "Q,rI,r,m,xl,t,r,x,l,r,>,>,i,r,y,y"))]
+ [(set (match_operand:SI 0 "general_movdst_operand" "=r,r,t,r,r,r,m,<,<,xl,x,l,y,r,y,r,y")
+ (match_operand:SI 1 "general_movsrc_operand" "Q,rI,r,mr,xl,t,r,x,l,r,>,>,>,i,r,y,y"))]
"TARGET_SH3E
&& (register_operand (operands[0], SImode)
|| register_operand (operands[1], SImode))"
@@ -1995,16 +1996,17 @@
lds %1,%0
lds.l %1,%0
lds.l %1,%0
+ lds.l %1,%0
fake %1,%0
lds %1,%0
sts %1,%0
! move optimized away"
- [(set_attr "type" "pcload_si,move,*,load_si,move,move,store,store,pstore,move,load,pload,pcload_si,gp_fpul,gp_fpul,nil")
- (set_attr "length" "*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,0")])
+ [(set_attr "type" "pcload_si,move,*,load_si,move,move,store,store,pstore,move,load,pload,load,pcload_si,gp_fpul,gp_fpul,nil")
+ (set_attr "length" "*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,*,0")])
(define_insn "movsi_i_lowpart"
[(set (strict_low_part (match_operand:SI 0 "general_movdst_operand" "=r,r,r,r,r,m,r"))
- (match_operand:SI 1 "general_movsrc_operand" "Q,rI,m,xl,t,r,i"))]
+ (match_operand:SI 1 "general_movsrc_operand" "Q,rI,mr,xl,t,r,i"))]
"register_operand (operands[0], SImode)
|| register_operand (operands[1], SImode)"
"@