diff options
Diffstat (limited to 'gcc/lra-remat.c')
-rw-r--r-- | gcc/lra-remat.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/gcc/lra-remat.c b/gcc/lra-remat.c index 187ee3e7752..c124d5ba2e1 100644 --- a/gcc/lra-remat.c +++ b/gcc/lra-remat.c @@ -167,92 +167,6 @@ get_remat_bb_data_by_index (int index) -/* Recursive hash function for RTL X. */ -static hashval_t -rtx_hash (rtx x) -{ - int i, j; - enum rtx_code code; - const char *fmt; - hashval_t val = 0; - - if (x == 0) - return val; - - code = GET_CODE (x); - val += (int) code + 4095; - - /* Some RTL can be compared nonrecursively. */ - switch (code) - { - case REG: - return val + REGNO (x); - - case LABEL_REF: - return iterative_hash_object (XEXP (x, 0), val); - - case SYMBOL_REF: - return iterative_hash_object (XSTR (x, 0), val); - - case SCRATCH: - case CONST_DOUBLE: - case CONST_INT: - case CONST_VECTOR: - return val; - - default: - break; - } - - /* Hash the elements. */ - fmt = GET_RTX_FORMAT (code); - for (i = GET_RTX_LENGTH (code) - 1; i >= 0; i--) - { - switch (fmt[i]) - { - case 'w': - val += XWINT (x, i); - break; - - case 'n': - case 'i': - val += XINT (x, i); - break; - - case 'V': - case 'E': - val += XVECLEN (x, i); - - for (j = 0; j < XVECLEN (x, i); j++) - val += rtx_hash (XVECEXP (x, i, j)); - break; - - case 'e': - val += rtx_hash (XEXP (x, i)); - break; - - case 'S': - case 's': - val += htab_hash_string (XSTR (x, i)); - break; - - case 'u': - case '0': - case 't': - break; - - /* It is believed that rtx's at this level will never - contain anything but integers and other rtx's, except for - within LABEL_REFs and SYMBOL_REFs. */ - default: - abort (); - } - } - return val; -} - - - /* Hash table for the candidates. Different insns (e.g. structurally the same insns or even insns with different unused output regs) can be represented by the same candidate in the table. */ |