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mmix.md (define_constants): Add MMIX_rR_REGNUM.

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* config/mmix/mmix.md (define_constants): Add MMIX_rR_REGNUM.
	("divdi3", "*divdi3_nonknuth", "moddi3", "*moddi3_nonknuth"): Mark
	MMIX_rR_REGNUM as clobbered.
	* config/mmix/mmix.h (MMIX_REMAINDER_REGNUM): Use MMIX_rR_REGNUM.

From-SVN: r56238
This commit is contained in:
Hans-Peter Nilsson 2002-08-12 21:32:01 +00:00 committed by Hans-Peter Nilsson
parent 9b32718c73
commit 34116c2a89
3 changed files with 17 additions and 5 deletions
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7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2002-08-12 Hans-Peter Nilsson <hp@bitrange.com>
* config/mmix/mmix.md (define_constants): Add MMIX_rR_REGNUM.
("divdi3", "*divdi3_nonknuth", "moddi3", "*moddi3_nonknuth"): Mark
MMIX_rR_REGNUM as clobbered.
* config/mmix/mmix.h (MMIX_REMAINDER_REGNUM): Use MMIX_rR_REGNUM.
2002-08-12 Gabriel Dos Reis <gdr@nerim.net>
* diagnostic.h (output_formatted_scalar): Rename from

2
gcc/config/mmix/mmix.h
View File

@ -47,7 +47,7 @@ Boston, MA 02111-1307, USA. */
#define MMIX_LAST_GENERAL_REGISTER 255
#define MMIX_INCOMING_RETURN_ADDRESS_REGNUM MMIX_rJ_REGNUM
#define MMIX_HIMULT_REGNUM 258
#define MMIX_REMAINDER_REGNUM 260
#define MMIX_REMAINDER_REGNUM MMIX_rR_REGNUM
#define MMIX_ARG_POINTER_REGNUM 261
#define MMIX_rO_REGNUM 262
#define MMIX_LAST_STACK_REGISTER_REGNUM 31

13
gcc/config/mmix/mmix.md
View File

@ -36,6 +36,7 @@
(define_constants
[(MMIX_rJ_REGNUM 259)
(MMIX_rR_REGNUM 260)
(MMIX_fp_rO_OFFSET -24)]
)
@ -271,7 +272,8 @@
(div:DI (match_operand:DI 1 "register_operand" "r")
(match_operand:DI 2 "register_operand" "r")))
(clobber (scratch:DI))
(clobber (scratch:DI))])]
(clobber (scratch:DI))
(clobber (reg:DI MMIX_rR_REGNUM))])]
"! TARGET_KNUTH_DIVISION"
"")
@ -282,7 +284,8 @@
(div:DI (match_operand:DI 1 "register_operand" "r,r")
(match_operand:DI 2 "register_operand" "1,r")))
(clobber (match_scratch:DI 3 "=1,1"))
(clobber (match_scratch:DI 4 "=2,2"))]
(clobber (match_scratch:DI 4 "=2,2"))
(clobber (reg:DI MMIX_rR_REGNUM))]
"! TARGET_KNUTH_DIVISION"
"@
SETL %0,1
@ -295,7 +298,8 @@ DIVU %0,%1,%2\;NEGU %1,0,%0\;CSN %0,$255,%1")
(mod:DI (match_operand:DI 1 "register_operand" "r")
(match_operand:DI 2 "register_operand" "r")))
(clobber (scratch:DI))
(clobber (scratch:DI))])]
(clobber (scratch:DI))
(clobber (reg:DI MMIX_rR_REGNUM))])]
"! TARGET_KNUTH_DIVISION"
"")
@ -306,7 +310,8 @@ DIVU %0,%1,%2\;NEGU %1,0,%0\;CSN %0,$255,%1")
(mod:DI (match_operand:DI 1 "register_operand" "r,r")
(match_operand:DI 2 "register_operand" "1,r")))
(clobber (match_scratch:DI 3 "=1,1"))
(clobber (match_scratch:DI 4 "=2,2"))]
(clobber (match_scratch:DI 4 "=2,2"))
(clobber (reg:DI MMIX_rR_REGNUM))]
"! TARGET_KNUTH_DIVISION"
"@
SETL %0,0