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tcg/arm: Use constant pool for call

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Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2017-07-27 21:12:24 -07:00
parent 880ad9626c
commit afe74dbd6a
1 changed files with 3 additions and 6 deletions
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9
tcg/arm/tcg-target.inc.c
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@ -1054,10 +1054,7 @@ static void tcg_out_goto(TCGContext *s, int cond, tcg_insn_unit *addr)
tcg_out_b(s, cond, disp);
return;
}
assert(use_armv5t_instructions || (addri & 1) == 0);
tcg_out_movi32(s, cond, TCG_REG_TMP, addri);
tcg_out_bx(s, cond, TCG_REG_TMP);
tcg_out_movi_pool(s, cond, TCG_REG_PC, addri);
}
/* The call case is mostly used for helpers - so it's not unreasonable
@ -1081,9 +1078,9 @@ static void tcg_out_call(TCGContext *s, tcg_insn_unit *addr)
tcg_out_movi32(s, COND_AL, TCG_REG_TMP, addri);
tcg_out_blx(s, COND_AL, TCG_REG_TMP);
} else {
/* ??? Know that movi_pool emits exactly 2 insns. */
tcg_out_dat_imm(s, COND_AL, ARITH_ADD, TCG_REG_R14, TCG_REG_PC, 4);
tcg_out_ld32_12(s, COND_AL, TCG_REG_PC, TCG_REG_PC, -4);
tcg_out32(s, addri);
tcg_out_movi_pool(s, COND_AL, TCG_REG_PC, addri);
}
}