From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: r@hev.cc
Subject: [PATCH 21/22] tcg/riscv: Introduce OPC_NOP
Date: Mon, 5 Dec 2022 22:17:14 -0600 [thread overview]
Message-ID: <20221206041715.314209-22-richard.henderson@linaro.org> (raw)
In-Reply-To: <20221206041715.314209-1-richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
tcg/riscv/tcg-target.c.inc | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc
index 37baae9cda..de029d62b4 100644
--- a/tcg/riscv/tcg-target.c.inc
+++ b/tcg/riscv/tcg-target.c.inc
@@ -254,6 +254,7 @@ typedef enum {
#endif
OPC_FENCE = 0x0000000f,
+ OPC_NOP = OPC_ADDI, /* nop = addi r0,r0,0 */
} RISCVInsn;
/*
@@ -390,7 +391,7 @@ static void tcg_out_nop_fill(tcg_insn_unit *p, int count)
{
int i;
for (i = 0; i < count; ++i) {
- p[i] = encode_i(OPC_ADDI, TCG_REG_ZERO, TCG_REG_ZERO, 0);
+ p[i] = OPC_NOP;
}
}
--
2.34.1
next prev parent reply other threads:[~2022-12-06 4:23 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-06 4:16 [PATCH 00/22] tcg: exit_tb tidy, goto_tb reorg Richard Henderson
2022-12-06 4:16 ` [PATCH 01/22] tcg: Split out tcg_out_exit_tb Richard Henderson
2022-12-06 7:24 ` Philippe Mathieu-Daudé
2022-12-06 4:16 ` [PATCH 02/22] tcg/i386: Remove unused goto_tb code for indirect jump Richard Henderson
2022-12-06 4:16 ` [PATCH 03/22] tcg/ppc: " Richard Henderson
2022-12-06 4:16 ` [PATCH 04/22] tcg/sparc64: " Richard Henderson
2022-12-06 4:16 ` [PATCH 05/22] tcg: Replace asserts on tcg_jmp_insn_offset Richard Henderson
2022-12-06 7:27 ` Philippe Mathieu-Daudé
2022-12-06 4:16 ` [PATCH 06/22] tcg: Introduce set_jmp_insn_offset Richard Henderson
2022-12-06 4:17 ` [PATCH 07/22] tcg: Introduce get_jmp_target_addr Richard Henderson
2022-12-06 7:29 ` Philippe Mathieu-Daudé
2022-12-06 4:17 ` [PATCH 08/22] tcg: Split out tcg_out_goto_tb Richard Henderson
2022-12-06 7:36 ` Philippe Mathieu-Daudé
2022-12-06 4:17 ` [PATCH 09/22] tcg: Rename TB_JMP_RESET_OFFSET_INVALID to TB_JMP_OFFSET_INVALID Richard Henderson
2022-12-06 7:36 ` Philippe Mathieu-Daudé
2022-12-06 4:17 ` [PATCH 10/22] tcg: Add gen_tb to TCGContext Richard Henderson
2022-12-06 4:17 ` [PATCH 11/22] tcg: Add TranslationBlock.jmp_insn_offset Richard Henderson
2022-12-06 4:17 ` [PATCH 12/22] tcg: Change tb_target_set_jmp_target arguments Richard Henderson
2022-12-06 4:17 ` [PATCH 13/22] tcg: Move tb_target_set_jmp_target declaration to tcg.h Richard Henderson
2022-12-06 7:38 ` Philippe Mathieu-Daudé
2022-12-06 4:17 ` [PATCH 14/22] tcg: Always define tb_target_set_jmp_target Richard Henderson
2022-12-06 7:39 ` Philippe Mathieu-Daudé
2022-12-06 4:17 ` [PATCH 15/22] tcg: Remove TCG_TARGET_HAS_direct_jump Richard Henderson
2022-12-06 4:17 ` [PATCH 16/22] tcg/aarch64: Reorg goto_tb implementation Richard Henderson
2022-12-06 4:17 ` [PATCH 17/22] tcg/ppc: " Richard Henderson
2022-12-06 4:17 ` [PATCH 18/22] tcg/sparc64: Remove USE_REG_TB Richard Henderson
2022-12-06 7:44 ` Philippe Mathieu-Daudé
2022-12-06 15:40 ` Richard Henderson
2022-12-06 4:17 ` [PATCH 19/22] tcg/sparc64: Reorg goto_tb implementation Richard Henderson
2022-12-06 4:17 ` [PATCH 20/22] tcg/arm: Implement direct branch for goto_tb Richard Henderson
2022-12-06 4:17 ` Richard Henderson [this message]
2022-12-06 7:46 ` [PATCH 21/22] tcg/riscv: Introduce OPC_NOP Philippe Mathieu-Daudé
2022-12-06 4:17 ` [PATCH 22/22] tcg/riscv: Implement direct branch for goto_tb Richard Henderson
2022-12-06 7:48 ` Philippe Mathieu-Daudé
2022-12-06 15:41 ` Richard Henderson
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