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[PATCH v3 01/23] i386: do not use MOVL to move data between SSE register
From: |
Paolo Bonzini |
Subject: |
[PATCH v3 01/23] i386: do not use MOVL to move data between SSE registers |
Date: |
Thu, 1 Sep 2022 09:48:20 +0200 |
Write down explicitly the load/store sequence.
Extracted from a patch by Paul Brook <paul@nowt.org>.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
target/i386/tcg/translate.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c
index b7972f0ff5..3237c1d8f9 100644
--- a/target/i386/tcg/translate.c
+++ b/target/i386/tcg/translate.c
@@ -3295,8 +3295,10 @@ static void gen_sse(CPUX86State *env, DisasContext *s,
int b,
offsetof(CPUX86State, xmm_regs[reg].ZMM_L(3)));
} else {
rm = (modrm & 7) | REX_B(s);
- gen_op_movl(s, offsetof(CPUX86State, xmm_regs[reg].ZMM_L(0)),
- offsetof(CPUX86State,xmm_regs[rm].ZMM_L(0)));
+ tcg_gen_ld_i32(s->tmp2_i32, cpu_env,
+ offsetof(CPUX86State, xmm_regs[rm].ZMM_L(0)));
+ tcg_gen_st_i32(s->tmp2_i32, cpu_env,
+ offsetof(CPUX86State, xmm_regs[reg].ZMM_L(0)));
}
break;
case 0x310: /* movsd xmm, ea */
--
2.37.1
- [PATCH v3 00/23] target/i386: make SSE helpers generic in the vector size, Paolo Bonzini, 2022/09/01
- [PATCH v3 02/23] i386: formatting fixes, Paolo Bonzini, 2022/09/01
- [PATCH v3 01/23] i386: do not use MOVL to move data between SSE registers,
Paolo Bonzini <=
- [PATCH v3 07/23] i386: check SSE table flags instead of hardcoding opcodes, Paolo Bonzini, 2022/09/01
- [PATCH v3 05/23] i386: Rework sse_op_table6/7, Paolo Bonzini, 2022/09/01
- [PATCH v3 03/23] i386: Add ZMM_OFFSET macro, Paolo Bonzini, 2022/09/01
- [PATCH v3 06/23] i386: Move 3DNOW decoder, Paolo Bonzini, 2022/09/01
- [PATCH v3 08/23] i386: isolate MMX code more, Paolo Bonzini, 2022/09/01
- [PATCH v3 09/23] i386: Add size suffix to vector FP helpers, Paolo Bonzini, 2022/09/01
- [PATCH v3 04/23] i386: Rework sse_op_table1, Paolo Bonzini, 2022/09/01
- [PATCH v3 10/23] i386: do not cast gen_helper_* function pointers, Paolo Bonzini, 2022/09/01