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riscv-gcc-1
Commit d4c6dfec by Richard Stallman
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(init_expmed): Use register 10000, not FIRST_PSEUDO_REGISTER that gets special… 

(init_expmed): Use register 10000, not FIRST_PSEUDO_REGISTER that gets special treatment in rtx_cost.

(init_expmed): Use register 10000, not FIRST_PSEUDO_REGISTER
that gets special treatment in rtx_cost.
(expand_mult): Decrease max cost to 8.

From-SVN: r5897
parent ad96180a
Showing with 2 additions and 2 deletions
gcc/expmed.c
......@@ -70,7 +70,7 @@ init_expmed ()
char *free_point;
/* This is "some random pseudo register" for purposes of calling recog
to see what insns exist. */
rtx reg = gen_rtx (REG, word_mode, FIRST_PSEUDO_REGISTER);
rtx reg = gen_rtx (REG, word_mode, 10000);
rtx shift_insn, shiftadd_insn, shiftsub_insn;
int dummy;
int m;
......@@ -2100,7 +2100,7 @@ expand_mult (mode, op0, op1, target, unsignedp)
vice versa. */
mult_cost = rtx_cost (gen_rtx (MULT, mode, op0, op1), SET);
mult_cost = MIN (12 * add_cost, mult_cost);
mult_cost = MIN (8 * add_cost, mult_cost);
synth_mult (&alg, val, mult_cost);
synth_mult (&neg_alg, - val,
......
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