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rs6000.c (rs6000_emit_prologue): Always clobber LR in SImode for save_world.

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* config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
        in SImode for save_world.
        * config/rs6000/altivec.md (save_world, restore_world): Convert to
        LR hard reg.

From-SVN: r123198
This commit is contained in:
David Edelsohn 2007-03-25 12:44:40 +00:00 committed by David Edelsohn
parent 5773afc5b5
commit a5ad201780
3 changed files with 14 additions and 7 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2007-03-25 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
in SImode for save_world.
* config/rs6000/altivec.md (save_world, restore_world): Convert to
LR hard reg.
2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
PR tree-optimization/30784

12
gcc/config/rs6000/altivec.md
View File

@ -302,10 +302,10 @@
(define_insn "*save_world"
[(match_parallel 0 "save_world_operation"
[(clobber (match_operand:SI 1 "register_operand" "=l"))
(use (match_operand:SI 2 "call_operand" "s"))])]
[(clobber (reg:SI 65))
(use (match_operand:SI 1 "call_operand" "s"))])]
"TARGET_MACHO && (DEFAULT_ABI == ABI_DARWIN) && TARGET_32BIT"
"bl %z2"
"bl %z1"
[(set_attr "type" "branch")
(set_attr "length" "4")])
@ -313,10 +313,10 @@
[(match_parallel 0 "restore_world_operation"
[(return)
(use (reg:SI 65))
(use (match_operand:SI 2 "call_operand" "s"))
(clobber (match_operand:SI 3 "gpc_reg_operand" "=r"))])]
(use (match_operand:SI 1 "call_operand" "s"))
(clobber (match_operand:SI 2 "gpc_reg_operand" "=r"))])]
"TARGET_MACHO && (DEFAULT_ABI == ABI_DARWIN) && TARGET_32BIT"
"b %z2")
"b %z1")
;; Simple binary operations.

2
gcc/config/rs6000/rs6000.c
View File

@ -14727,7 +14727,7 @@ rs6000_emit_prologue (void)
p = rtvec_alloc (sz);
j = 0;
RTVEC_ELT (p, j++) = gen_rtx_CLOBBER (VOIDmode,
gen_rtx_REG (Pmode,
gen_rtx_REG (SImode,
LINK_REGISTER_REGNUM));
RTVEC_ELT (p, j++) = gen_rtx_USE (VOIDmode,
gen_rtx_SYMBOL_REF (Pmode,