OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

re PR target/40977 (problem with code like this: res = ((uint64_t)resh << 32) | resl;) 

PR target/40977
	* config/m68k/m68k.md (ashldi_extsi): Turn into a
	define_insn_and_split.

From-SVN: r207615
This commit is contained in:
Jeff Law 2014-02-07 15:35:49 -07:00 committed by Jeff Law
parent b581c05cd9
commit 63e6247dfe
2 changed files with 10 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
gcc/ChangeLog
View File

@ -1,5 +1,9 @@
2014-02-07 Jeff Law <law@redhat.com>
PR target/40977
* config/m68k/m68k.md (ashldi_extsi): Turn into a
define_insn_and_split.
* ipa-inline.c (inline_small_functions): Fix typos.
2014-02-07 Richard Sandiford <rsandifo@linux.vnet.ibm.com>

19
gcc/config/m68k/m68k.md
View File

@ -4338,25 +4338,18 @@
;; arithmetic shift instructions
;; We don't need the shift memory by 1 bit instruction
(define_insn "ashldi_extsi"
(define_insn_and_split "ashldi_extsi"
[(set (match_operand:DI 0 "nonimmediate_operand" "=ro")
(ashift:DI
(match_operator:DI 2 "extend_operator"
[(match_operand:SI 1 "general_operand" "rm")])
(const_int 32)))]
""
{
CC_STATUS_INIT;
if (GET_CODE (operands[0]) == REG)
operands[2] = gen_rtx_REG (SImode, REGNO (operands[0]) + 1);
else
operands[2] = adjust_address (operands[0], SImode, 4);
if (ADDRESS_REG_P (operands[0]))
return "move%.l %1,%0\;sub%.l %2,%2";
else
return "move%.l %1,%0\;clr%.l %2";
})
"#"
"&& reload_completed"
[(set (match_dup 3) (match_dup 1))
(set (match_dup 2) (const_int 0))]
"split_di(operands, 1, operands + 2, operands + 3);")
(define_insn "ashldi_sexthi"
[(set (match_operand:DI 0 "nonimmediate_operand" "=m,a*d")