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tcg: Split out tcg_out_extrl_i64_i32

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We will need a backend interface for type truncation.  For those backends
that did not enable TCG_TARGET_HAS_extrl_i64_i32, use tcg_out_mov.
Use it in tcg_reg_alloc_op in the meantime.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-04-05 19:58:35 -07:00
parent b9bfe000f9
commit b8b94ac675
11 changed files with 65 additions and 17 deletions
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7
tcg/ppc/tcg-target.c.inc
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@ -817,6 +817,12 @@ static void tcg_out_extu_i32_i64(TCGContext *s, TCGReg dst, TCGReg src)
tcg_out_ext32u(s, dst, src);
}
static void tcg_out_extrl_i64_i32(TCGContext *s, TCGReg rd, TCGReg rn)
{
tcg_debug_assert(TCG_TARGET_REG_BITS == 64);
tcg_out_mov(s, TCG_TYPE_I32, rd, rn);
}
static inline void tcg_out_shli32(TCGContext *s, TCGReg dst, TCGReg src, int c)
{
tcg_out_rlw(s, RLWINM, dst, src, c, 0, 31 - c);
@ -3138,6 +3144,7 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
case INDEX_op_ext32u_i64:
case INDEX_op_ext_i32_i64:
case INDEX_op_extu_i32_i64:
case INDEX_op_extrl_i64_i32:
default:
g_assert_not_reached();
}