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arm.md (storehi): Avoid use of explicit subreg.

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* arm.md (storehi): Avoid use of explicit subreg.
(storehi_bigend, storeinthi, movhi_bigend): Likewise.

From-SVN: r73496
This commit is contained in:
Richard Earnshaw 2003-11-12 16:15:07 +00:00 committed by Richard Earnshaw
parent 7e28e1a3da
commit c9389e79d4
2 changed files with 14 additions and 5 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2003-11-12 Richard Earnshaw <rearnsha@arm.com>
* arm.md (storehi): Avoid use of explicit subreg.
(storehi_bigend, storeinthi, movhi_bigend): Likewise.
2003-11-12 J"orn Rennecke <joern.rennecke@superh.com>
* config/sh/sh.md (prefetch): New pattern.

12
gcc/config/arm/arm.md
View File

@ -4007,7 +4007,7 @@
(set (match_dup 2)
(ashiftrt:SI (match_operand 0 "" "") (const_int 8)))
;; store the high byte
(set (match_dup 4) (subreg:QI (match_dup 2) 0))] ;explicit subreg safe
(set (match_dup 4) (match_dup 5))]
"TARGET_ARM"
"
{
@ -4024,6 +4024,7 @@
operands[3] = gen_lowpart (QImode, operands[0]);
operands[0] = gen_lowpart (SImode, operands[0]);
operands[2] = gen_reg_rtx (SImode);
operands[5] = gen_lowpart (QImode, operands[2]);
}"
)
@ -4031,7 +4032,7 @@
[(set (match_dup 4) (match_dup 3))
(set (match_dup 2)
(ashiftrt:SI (match_operand 0 "" "") (const_int 8)))
(set (match_operand 1 "" "") (subreg:QI (match_dup 2) 3))]
(set (match_operand 1 "" "") (match_dup 5))]
"TARGET_ARM"
"
{
@ -4048,13 +4049,14 @@
operands[3] = gen_lowpart (QImode, operands[0]);
operands[0] = gen_lowpart (SImode, operands[0]);
operands[2] = gen_reg_rtx (SImode);
operands[5] = gen_lowpart (QImode, operands[2]);
}"
)
;; Subroutine to store a half word integer constant into memory.
(define_expand "storeinthi"
[(set (match_operand 0 "" "")
(subreg:QI (match_operand 1 "" "") 0))
(match_operand 1 "" ""))
(set (match_dup 3) (match_dup 2))]
"TARGET_ARM"
"
@ -4095,6 +4097,7 @@
operands[3] = adjust_address (op0, QImode, 1);
operands[0] = adjust_address (operands[0], QImode, 0);
operands[2] = gen_lowpart (QImode, operands[2]);
operands[1] = gen_lowpart (QImode, operands[1]);
}"
)
@ -4415,11 +4418,12 @@
(set (match_dup 3)
(ashiftrt:SI (match_dup 2) (const_int 16)))
(set (match_operand:HI 0 "s_register_operand" "")
(subreg:HI (match_dup 3) 0))]
(match_dup 4))]
"TARGET_ARM"
"
operands[2] = gen_reg_rtx (SImode);
operands[3] = gen_reg_rtx (SImode);
operands[4] = gen_lowpart (HImode, operands[3]);
"
)