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rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem; update all call sites. 

* rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
        update all call sites.  Return true for all non-label constants.

From-SVN: r39006
This commit is contained in:
Richard Henderson 2001-01-14 02:19:01 -08:00 committed by Richard Henderson
parent a1b8572cac
commit fce7e199d5
2 changed files with 20 additions and 15 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2001-01-14 Richard Henderson <rth@redhat.com>
* rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
update all call sites. Return true for all non-label constants.
Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
* i386.c (ix86_expand_compare): Add bypass_test and second_test

30
gcc/rtlanal.c
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@ -29,7 +29,7 @@ static void set_of_1 PARAMS ((rtx, rtx, void *));
static void insn_dependent_p_1 PARAMS ((rtx, rtx, void *));
/* Forward declarations */
static int jmp_uses_reg_or_mem PARAMS ((rtx));
static int computed_jump_p_1 PARAMS ((rtx));
/* Bit flags that specify the machine subtype we are compiling for.
Bits are tested using macros TARGET_... defined in the tm.h file
@ -2181,11 +2181,12 @@ replace_regs (x, reg_map, nregs, replace_dest)
return x;
}
/* Return 1 if X, the SRC_SRC of SET of (pc) contain a REG or MEM that is
not in the constant pool and not in the condition of an IF_THEN_ELSE. */
/* A subroutine of computed_jump_p, return 1 if X contains a REG or MEM or
constant that is not in the constant pool and not in the condition
of an IF_THEN_ELSE. */
static int
jmp_uses_reg_or_mem (x)
computed_jump_p_1 (x)
rtx x;
{
enum rtx_code code = GET_CODE (x);
@ -2194,11 +2195,14 @@ jmp_uses_reg_or_mem (x)
switch (code)
{
case CONST:
case LABEL_REF:
case PC:
return 0;
case CONST:
case CONST_INT:
case CONST_DOUBLE:
case SYMBOL_REF:
case REG:
return 1;
@ -2207,12 +2211,8 @@ jmp_uses_reg_or_mem (x)
&& CONSTANT_POOL_ADDRESS_P (XEXP (x, 0)));
case IF_THEN_ELSE:
return (jmp_uses_reg_or_mem (XEXP (x, 1))
|| jmp_uses_reg_or_mem (XEXP (x, 2)));
case PLUS: case MINUS: case MULT:
return (jmp_uses_reg_or_mem (XEXP (x, 0))
|| jmp_uses_reg_or_mem (XEXP (x, 1)));
return (computed_jump_p_1 (XEXP (x, 1))
|| computed_jump_p_1 (XEXP (x, 2)));
default:
break;
@ -2222,12 +2222,12 @@ jmp_uses_reg_or_mem (x)
for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--)
{
if (fmt[i] == 'e'
&& jmp_uses_reg_or_mem (XEXP (x, i)))
&& computed_jump_p_1 (XEXP (x, i)))
return 1;
else if (fmt[i] == 'E')
for (j = 0; j < XVECLEN (x, i); j++)
if (jmp_uses_reg_or_mem (XVECEXP (x, i, j)))
if (computed_jump_p_1 (XVECEXP (x, i, j)))
return 1;
}
@ -2265,12 +2265,12 @@ computed_jump_p (insn)
for (i = len - 1; i >= 0; i--)
if (GET_CODE (XVECEXP (pat, 0, i)) == SET
&& SET_DEST (XVECEXP (pat, 0, i)) == pc_rtx
&& jmp_uses_reg_or_mem (SET_SRC (XVECEXP (pat, 0, i))))
&& computed_jump_p_1 (SET_SRC (XVECEXP (pat, 0, i))))
return 1;
}
else if (GET_CODE (pat) == SET
&& SET_DEST (pat) == pc_rtx
&& jmp_uses_reg_or_mem (SET_SRC (pat)))
&& computed_jump_p_1 (SET_SRC (pat)))
return 1;
}
return 0;