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(DEBUG_PRINT_REG): Print regno along with printable name.

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(CONST_COSTS): Handle integer CONST_DOUBLE correctly.
(PREFERRED_RELOAD_CLASS): Allow integer CONST_DOUBLE into int regs.

From-SVN: r3117
This commit is contained in:
James Van Artsdalen 1993-01-06 07:47:31 +00:00
parent b491172aee
commit 7488be4e12
1 changed files with 13 additions and 8 deletions
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21
gcc/config/i386/i386.h
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@ -524,16 +524,18 @@ extern enum reg_class regclass_map[FIRST_PSEUDO_REGISTER];
reloaded into floating registers (since no move-insn can do that)
and we ensure that QImodes aren't reloaded into the esi or edi reg. */
/* Don't put CONST_DOUBLE into FLOAT_REGS.
/* Don't put float CONST_DOUBLE into any regs.
QImode must go into class Q_REGS.
MODE_INT must not go into FLOAT_REGS. */
#define PREFERRED_RELOAD_CLASS(X,CLASS) \
(GET_CODE (X) == CONST_DOUBLE \
? NO_REGS \
: GET_MODE (X) == QImode \
#define PREFERRED_RELOAD_CLASS(X,CLASS) \
(GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) != VOIDmode \
? NO_REGS \
: GET_MODE (X) == QImode \
? (! reg_class_subset_p ((CLASS), Q_REGS) ? Q_REGS : (CLASS)) \
: (GET_MODE_CLASS (GET_MODE (X)) == MODE_INT && (CLASS) == FLOAT_REGS ? \
: ((CLASS) == FLOAT_REGS \
&& (GET_MODE (X) == VOIDmode \
|| GET_MODE_CLASS (GET_MODE (X)) == MODE_INT) ? \
GENERAL_REGS : (CLASS)))
/* Return the maximum number of consecutive registers
@ -1180,7 +1182,10 @@ while (0)
return flag_pic && SYMBOLIC_CONST (RTX) ? 2 : 0; \
case CONST_DOUBLE: \
{ \
int code = standard_80387_constant_p (RTX); \
int code; \
if (GET_MODE (RTX) == VOIDmode) \
return 2; \
code = standard_80387_constant_p (RTX); \
return code == 1 ? 0 : \
code == 2 ? 1 : \
2; \
@ -1510,7 +1515,7 @@ extern char *qi_high_reg_name[];
#define DEBUG_PRINT_REG(X, CODE, FILE) \
do { static char *hi_name[] = HI_REGISTER_NAMES; \
static char *qi_name[] = QI_REGISTER_NAMES; \
fprintf (FILE, "%s", RP); \
fprintf (FILE, "%d %s", REGNO (X), RP); \
if (REGNO (X) == ARG_POINTER_REGNUM) \
{ fputs ("argp", FILE); break; } \
if (STACK_TOP_P (X)) \