lib1funcs.asm (sdivsi3): Add optimized SH64 implementations.

	* lib1funcs.asm (sdivsi3): Add optimized SH64 implementations.
	(udivsi3): Likewise.  Rewrite SH1 implementation.
	(udivdi3, divdi3, umoddi3, moddi3): New SHmedia functions.
	* sh.md (R20_REG, R21_REG, R22_REG, R23_REG, FR23_REG): New constants.
	(udivsi3_i1_media, divsi3_i1_media): Fix clobber list.
	* config/sh/t-sh64 (LIB1ASMFUNCS): (_udivdi3, _divdi3, _umoddi3): Add.
	(_moddi3): Likewise.

	* lib1funcs.asm (ic_invalidate): Add data cache line writeback.

From-SVN: r54965

gcc/ChangeLog

-Mon Jun 24 18:53:56 2002  J"orn Rennecke <joern.rennecke@superh.com>
+Mon Jun 24 21:05:09 2002  J"orn Rennecke <joern.rennecke@superh.com>
+
+	* lib1funcs.asm (sdivsi3): Add optimized SH64 implementations.
+	(udivsi3): Likewise.  Rewrite SH1 implementation.
+	(udivdi3, divdi3, umoddi3, moddi3): New SHmedia functions.
+	* sh.md (R20_REG, R21_REG, R22_REG, R23_REG, FR23_REG): New constants.
+	(udivsi3_i1_media, divsi3_i1_media): Fix clobber list.
+	* config/sh/t-sh64 (LIB1ASMFUNCS): (_udivdi3, _divdi3, _umoddi3): Add.
+	(_moddi3): Likewise.
+
+	* lib1funcs.asm (ic_invalidate): Add data cache line writeback.
 
 	* sh.h (FUNCTION_ARG_ADVANCE): Take SHCOMPACT_FORCE_ON_STACK
 	arguments into account for stack_regs.

gcc/config/sh/sh.md

@@ -99,10 +99,15 @@
   (R8_REG	8)
   (R9_REG	9)
   (R10_REG	10)
+  (R20_REG	20)
+  (R21_REG	21)
+  (R22_REG	22)
+  (R23_REG	23)
 
   (DR0_REG	64)
   (DR2_REG	66)
   (DR4_REG	68)
+  (FR23_REG	87)
 
   (TR0_REG	128)
   (TR1_REG	129)
@@ -1281,12 +1286,20 @@
   [(set_attr "type" "sfunc")
    (set_attr "needs_delay_slot" "yes")])
 
+; Since shmedia-nofpu code could be linked against shcompact code, and
+; the udivsi3 libcall has the same name, we must consider all registers
+; clobbered that are in the union of the registers clobbered by the
+; shmedia and the shcompact implementation.  Note, if the shcompact
+; implemenation actually used shcompact code, we'd need to clobber
+; also r23 and fr23.
 (define_insn "udivsi3_i1_media"
   [(set (match_operand:SI 0 "register_operand" "=z")
 	(udiv:SI (reg:SI R4_REG) (reg:SI R5_REG)))
    (clobber (reg:SI T_MEDIA_REG))
    (clobber (reg:SI PR_MEDIA_REG))
-   (clobber (reg:SI R4_REG))
+   (clobber (reg:SI R20_REG))
+   (clobber (reg:SI R21_REG))
+   (clobber (reg:SI R22_REG))
    (clobber (reg:DI TR0_REG))
    (clobber (reg:DI TR1_REG))
    (clobber (reg:DI TR2_REG))
@@ -1430,6 +1443,12 @@
   [(set_attr "type" "sfunc")
    (set_attr "needs_delay_slot" "yes")])
 
+; Since shmedia-nofpu code could be linked against shcompact code, and
+; the udivsi3 libcall has the same name, we must consider all registers
+; clobbered that are in the union of the registers clobbered by the
+; shmedia and the shcompact implementation.  Note, if the shcompact
+; implemenation actually used shcompact code, we'd need to clobber
+; also r22, r23 and fr23.
 (define_insn "divsi3_i1_media"
   [(set (match_operand:SI 0 "register_operand" "=z")
 	(div:SI (reg:SI R4_REG) (reg:SI R5_REG)))
@@ -1438,6 +1457,8 @@
    (clobber (reg:SI R1_REG))
    (clobber (reg:SI R2_REG))
    (clobber (reg:SI R3_REG))
+   (clobber (reg:SI R20_REG))
+   (clobber (reg:SI R21_REG))
    (clobber (reg:DI TR0_REG))
    (clobber (reg:DI TR1_REG))
    (clobber (reg:DI TR2_REG))

gcc/config/sh/t-sh64

@@ -4,7 +4,8 @@ LIB1ASMFUNCS = \
   _sdivsi3 _sdivsi3_i4 _udivsi3 _udivsi3_i4 _set_fpscr \
   _shcompact_call_trampoline _shcompact_return_trampoline \
   _shcompact_incoming_args _ic_invalidate _nested_trampoline \
-  _push_pop_shmedia_regs
+  _push_pop_shmedia_regs \
+  _udivdi3 _divdi3 _umoddi3 _moddi3
 
 MULTILIB_OPTIONS = $(MULTILIB_ENDIAN) m5-32media-nofpu/m5-compact/m5-compact-nofpu/m5-64media/m5-64media-nofpu
 MULTILIB_DIRNAMES= $(MULTILIB_ENDIAN) nofpu compact nofpu/compact media64 nofpu/media64