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From: Paolo Bonzini <pbonzini@redhat.com>
To: qemu-devel@nongnu.org
Cc: paul@nowt.org, richard.henderson@linaro.org
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	[thread overview]
Message-ID: <20220901074842.57424-2-pbonzini@redhat.com> (raw)
In-Reply-To: <20220901074842.57424-1-pbonzini@redhat.com>

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




  reply	other threads:[~2022-09-01  8:10 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-01  7:48 [PATCH v3 00/23] target/i386: make SSE helpers generic in the vector size Paolo Bonzini
2022-09-01  7:48 ` Paolo Bonzini [this message]
2022-09-01  7:48 ` [PATCH v3 02/23] i386: formatting fixes Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 03/23] i386: Add ZMM_OFFSET macro Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 04/23] i386: Rework sse_op_table1 Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 05/23] i386: Rework sse_op_table6/7 Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 06/23] i386: Move 3DNOW decoder Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 07/23] i386: check SSE table flags instead of hardcoding opcodes Paolo Bonzini
2022-09-01  8:05   ` Richard Henderson
2022-09-01  7:48 ` [PATCH v3 08/23] i386: isolate MMX code more Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 09/23] i386: Add size suffix to vector FP helpers Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 10/23] i386: do not cast gen_helper_* function pointers Paolo Bonzini
2022-09-01  8:10   ` Richard Henderson
2022-09-01  7:48 ` [PATCH v3 11/23] i386: Add CHECK_NO_VEX Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 12/23] i386: Rewrite vector shift helper Paolo Bonzini
2022-09-01  8:11   ` Richard Henderson
2022-09-01  7:48 ` [PATCH v3 13/23] i386: Rewrite simple integer vector helpers Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 14/23] i386: Misc integer AVX helper prep Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 15/23] i386: Destructive vector helpers for AVX Paolo Bonzini
2022-09-01  8:16   ` Richard Henderson
2022-09-01  7:48 ` [PATCH v3 16/23] i386: Floating point arithmetic helper AVX prep Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 17/23] i386: reimplement AVX comparison helpers Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 18/23] i386: Dot product AVX helper prep Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 19/23] i386: Destructive FP helpers for AVX Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 20/23] i386: Misc AVX helper prep Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 21/23] i386: Rewrite blendv helpers Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 22/23] i386: AVX pclmulqdq prep Paolo Bonzini
2022-09-01  7:48 ` [PATCH v3 23/23] i386: AVX+AES helpers prep Paolo Bonzini
2022-09-01  8:19   ` Richard Henderson

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