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tcg/loongarch64: Set vector registers call clobbered

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Because there are more call clobbered registers than
call saved registers, we begin with all registers as
call clobbered and then reset those that are saved.

This was missed when we introduced the LSX support.

Cc: qemu-stable@nongnu.org
Fixes: 16288ded94 ("tcg/loongarch64: Lower basic tcg vec ops to LSX")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2136
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Song Gao <gaosong@loongson.cn>
Message-Id: <20240201233414.500588-1-richard.henderson@linaro.org>
(cherry picked from commit 45bf0e7aa6)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Richard Henderson 2024-02-02 09:34:14 +10:00 committed by Michael Tokarev
parent 5f5e30229e
commit 8b7750c66f
1 changed files with 1 additions and 1 deletions
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2
tcg/loongarch64/tcg-target.c.inc
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@ -2327,7 +2327,7 @@ static void tcg_target_init(TCGContext *s)
tcg_target_available_regs[TCG_TYPE_I32] = ALL_GENERAL_REGS;
tcg_target_available_regs[TCG_TYPE_I64] = ALL_GENERAL_REGS;
tcg_target_call_clobber_regs = ALL_GENERAL_REGS;
tcg_target_call_clobber_regs = ALL_GENERAL_REGS | ALL_VECTOR_REGS;
tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S0);
tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S1);
tcg_regset_reset_reg(tcg_target_call_clobber_regs, TCG_REG_S2);