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tcg: Introduce tcg_out_xchg

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We will want a backend interface for register swapping.
This is only properly defined for x86; all others get a
stub version that always indicates failure.

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 21:39:54 -07:00
parent b3dfd5fc18
commit 767c250310
11 changed files with 55 additions and 0 deletions
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5
tcg/mips/tcg-target.c.inc
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@ -595,6 +595,11 @@ static void tcg_out_extrl_i64_i32(TCGContext *s, TCGReg rd, TCGReg rs)
tcg_out_ext32s(s, rd, rs);
}
static bool tcg_out_xchg(TCGContext *s, TCGType type, TCGReg r1, TCGReg r2)
{
return false;
}
static void tcg_out_addi_ptr(TCGContext *s, TCGReg rd, TCGReg rs,
tcg_target_long imm)
{