MatCat.OpenSource/8sa1-gcc
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

(MULL_COST, MULW_COST, RTX_COSTS): Add costs for TARGET_68060.

Browse Source 
From-SVN: r11817
This commit is contained in:
Richard Kenner 1996-04-16 11:33:00 -04:00
parent 3cabb540d5
commit 7a13fe96dd
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
gcc/config/m68k/m68k.h
View File

@ -1437,8 +1437,8 @@ __transfer_from_trampoline () \
relative to an average of the time for add and the time for shift,
taking away a little more because sometimes move insns are needed. */
/* div?.w is relatively cheaper on 68000 counted in COSTS_N_INSNS terms. */
#define MULL_COST (TARGET_68040 ? 5 : 13)
#define MULW_COST (TARGET_68040 ? 3 : TARGET_68020 ? 8 : 5)
#define MULL_COST (TARGET_68060 ? 2 : TARGET_68040 ? 5 : 13)
#define MULW_COST (TARGET_68060 ? 2 : TARGET_68040 ? 3 : TARGET_68020 ? 8 : 5)
#define DIVW_COST (TARGET_68020 ? 27 : 12)
#define RTX_COSTS(X,CODE,OUTER_CODE) \
@ -1456,7 +1456,9 @@ __transfer_from_trampoline () \
break; \
case ASHIFT: \
case ASHIFTRT: \
case LSHIFTRT: \
case LSHIFTRT: \
if (TARGET_68060) \
return COSTS_N_INSNS(1); \
if (! TARGET_68020) \
{ \
if (GET_CODE (XEXP (X, 1)) == CONST_INT) \