From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: mark.cave-ayland@ilande.co.uk, atar4qemu@gmail.com
Subject: [PATCH 43/85] target/sparc: Move simple integer load/store to decodetree
Date: Fri, 13 Oct 2023 14:28:04 -0700 [thread overview]
Message-ID: <20231013212846.165724-44-richard.henderson@linaro.org> (raw)
In-Reply-To: <20231013212846.165724-1-richard.henderson@linaro.org>
Move LDUW, LDUB, LDUH, LDD, LDSW, LDSB, LDSH, LDX,
STW, STB, STH, STD, STX.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/sparc/insns.decode | 22 +++++
target/sparc/translate.c | 196 +++++++++++++++++++++++---------------
2 files changed, 142 insertions(+), 76 deletions(-)
diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 9f17a11dd0..41fbda4eb8 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -225,6 +225,28 @@ RESTORE 10 ..... 111101 ..... . ............. @r_r_ri
DONE 10 00000 111110 00000 0 0000000000000
RETRY 10 00001 111110 00000 0 0000000000000
+##
+## Major Opcode 11 -- load and store instructions
+##
+
+&r_r_ri_asi rd rs1 rs2_or_imm asi imm:bool
+@r_r_ri_na .. rd:5 ...... rs1:5 imm:1 rs2_or_imm:s13 &r_r_ri_asi asi=-1
+
+LDUW 11 ..... 000000 ..... . ............. @r_r_ri_na
+LDUB 11 ..... 000001 ..... . ............. @r_r_ri_na
+LDUH 11 ..... 000010 ..... . ............. @r_r_ri_na
+LDD 11 ..... 000011 ..... . ............. @r_r_ri_na
+LDSW 11 ..... 001000 ..... . ............. @r_r_ri_na
+LDSB 11 ..... 001001 ..... . ............. @r_r_ri_na
+LDSH 11 ..... 001010 ..... . ............. @r_r_ri_na
+LDX 11 ..... 001011 ..... . ............. @r_r_ri_na
+
+STW 11 ..... 000100 ..... . ............. @r_r_ri_na
+STB 11 ..... 000101 ..... . ............. @r_r_ri_na
+STH 11 ..... 000110 ..... . ............. @r_r_ri_na
+STD 11 ..... 000111 ..... . ............. @r_r_ri_na
+STX 11 ..... 001110 ..... . ............. @r_r_ri_na
+
NCP 10 ----- 110110 ----- --------- ----- # v8 CPop1
NCP 10 ----- 110111 ----- --------- ----- # v8 CPop2
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 1b993d3c4f..7b7437dbd8 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -4548,6 +4548,117 @@ static bool trans_RETRY(DisasContext *dc, arg_RETRY *a)
return true;
}
+/*
+ * Major opcode 11 -- load and store instructions
+ */
+
+static TCGv gen_ldst_addr(DisasContext *dc, int rs1, bool imm, int rs2_or_imm)
+{
+ TCGv addr, tmp = NULL;
+
+ /* For simplicity, we under-decoded the rs2 form. */
+ if (!imm && rs2_or_imm & ~0x1f) {
+ return NULL;
+ }
+
+ addr = gen_load_gpr(dc, rs1);
+ if (rs2_or_imm) {
+ tmp = tcg_temp_new();
+ if (imm) {
+ tcg_gen_addi_tl(tmp, addr, rs2_or_imm);
+ } else {
+ tcg_gen_add_tl(tmp, addr, cpu_regs[rs2_or_imm]);
+ }
+ addr = tmp;
+ }
+ if (AM_CHECK(dc)) {
+ if (!tmp) {
+ tmp = tcg_temp_new();
+ }
+ tcg_gen_ext32u_tl(tmp, addr);
+ addr = tmp;
+ }
+ return addr;
+}
+
+static bool do_ld_gpr(DisasContext *dc, arg_r_r_ri_asi *a, MemOp mop)
+{
+ TCGv reg, addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm);
+ DisasASI da;
+
+ if (addr == NULL) {
+ return false;
+ }
+ da = resolve_asi(dc, a->asi, mop);
+
+ reg = gen_dest_gpr(dc, a->rd);
+ gen_ld_asi0(dc, &da, reg, addr);
+ gen_store_gpr(dc, a->rd, reg);
+ return advance_pc(dc);
+}
+
+TRANS(LDUW, ALL, do_ld_gpr, a, MO_TEUL)
+TRANS(LDUB, ALL, do_ld_gpr, a, MO_UB)
+TRANS(LDUH, ALL, do_ld_gpr, a, MO_TEUW)
+TRANS(LDSB, ALL, do_ld_gpr, a, MO_SB)
+TRANS(LDSH, ALL, do_ld_gpr, a, MO_TESW)
+TRANS(LDSW, 64, do_ld_gpr, a, MO_TESL)
+TRANS(LDX, 64, do_ld_gpr, a, MO_TEUQ)
+
+static bool do_st_gpr(DisasContext *dc, arg_r_r_ri_asi *a, MemOp mop)
+{
+ TCGv reg, addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm);
+ DisasASI da;
+
+ if (addr == NULL) {
+ return false;
+ }
+ da = resolve_asi(dc, a->asi, mop);
+
+ reg = gen_load_gpr(dc, a->rd);
+ gen_st_asi0(dc, &da, reg, addr);
+ return advance_pc(dc);
+}
+
+TRANS(STW, ALL, do_st_gpr, a, MO_TEUL)
+TRANS(STB, ALL, do_st_gpr, a, MO_UB)
+TRANS(STH, ALL, do_st_gpr, a, MO_TEUW)
+TRANS(STX, 64, do_st_gpr, a, MO_TEUQ)
+
+static bool trans_LDD(DisasContext *dc, arg_r_r_ri_asi *a)
+{
+ TCGv addr;
+ DisasASI da;
+
+ if (a->rd & 1) {
+ return false;
+ }
+ addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm);
+ if (addr == NULL) {
+ return false;
+ }
+ da = resolve_asi(dc, a->asi, MO_TEUQ);
+ gen_ldda_asi0(dc, &da, addr, a->rd);
+ return advance_pc(dc);
+}
+
+static bool trans_STD(DisasContext *dc, arg_r_r_ri_asi *a)
+{
+ TCGv addr;
+ DisasASI da;
+
+ if (a->rd & 1) {
+ return false;
+ }
+ addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm);
+ if (addr == NULL) {
+ return false;
+ }
+ da = resolve_asi(dc, a->asi, MO_TEUQ);
+ gen_stda_asi0(dc, &da, addr, a->rd);
+ return advance_pc(dc);
+}
+
#define CHECK_IU_FEATURE(dc, FEATURE) \
if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE)) \
goto illegal_insn;
@@ -5371,47 +5482,15 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
switch (xop) {
case 0x0: /* ld, V9 lduw, load unsigned word */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_ld_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TEUL | MO_ALIGN);
- break;
case 0x1: /* ldub, load unsigned byte */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_ld_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_UB);
- break;
case 0x2: /* lduh, load unsigned halfword */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_ld_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TEUW | MO_ALIGN);
- break;
case 0x3: /* ldd, load double word */
- if (rd & 1)
- goto illegal_insn;
- else {
- TCGv_i64 t64;
-
- gen_address_mask(dc, cpu_addr);
- t64 = tcg_temp_new_i64();
- tcg_gen_qemu_ld_i64(t64, cpu_addr,
- dc->mem_idx, MO_TEUQ | MO_ALIGN);
- tcg_gen_trunc_i64_tl(cpu_val, t64);
- tcg_gen_ext32u_tl(cpu_val, cpu_val);
- gen_store_gpr(dc, rd + 1, cpu_val);
- tcg_gen_shri_i64(t64, t64, 32);
- tcg_gen_trunc_i64_tl(cpu_val, t64);
- tcg_gen_ext32u_tl(cpu_val, cpu_val);
- }
- break;
case 0x9: /* ldsb, load signed byte */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_ld_tl(cpu_val, cpu_addr, dc->mem_idx, MO_SB);
- break;
case 0xa: /* ldsh, load signed halfword */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_ld_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TESW | MO_ALIGN);
- break;
+ g_assert_not_reached(); /* in decodetree */
+ case 0x08: /* V9 ldsw */
+ case 0x0b: /* V9 ldx */
+ goto illegal_insn; /* in decodetree */
case 0xd: /* ldstub */
gen_ldstub(dc, cpu_val, cpu_addr, dc->mem_idx);
break;
@@ -5453,16 +5532,6 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
break;
#endif
#ifdef TARGET_SPARC64
- case 0x08: /* V9 ldsw */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_ld_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TESL | MO_ALIGN);
- break;
- case 0x0b: /* V9 ldx */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_ld_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TEUQ | MO_ALIGN);
- break;
case 0x18: /* V9 ldswa */
gen_ld_asi(dc, cpu_val, cpu_addr, insn, MO_TESL);
break;
@@ -5555,38 +5624,18 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
}
} else if (xop < 8 || (xop >= 0x14 && xop < 0x18) ||
xop == 0xe || xop == 0x1e) {
+#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
TCGv cpu_val = gen_load_gpr(dc, rd);
+#endif
switch (xop) {
case 0x4: /* st, store word */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_st_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TEUL | MO_ALIGN);
- break;
case 0x5: /* stb, store byte */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_st_tl(cpu_val, cpu_addr, dc->mem_idx, MO_UB);
- break;
case 0x6: /* sth, store halfword */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_st_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TEUW | MO_ALIGN);
- break;
case 0x7: /* std, store double word */
- if (rd & 1)
- goto illegal_insn;
- else {
- TCGv_i64 t64;
- TCGv lo;
-
- gen_address_mask(dc, cpu_addr);
- lo = gen_load_gpr(dc, rd + 1);
- t64 = tcg_temp_new_i64();
- tcg_gen_concat_tl_i64(t64, lo, cpu_val);
- tcg_gen_qemu_st_i64(t64, cpu_addr,
- dc->mem_idx, MO_TEUQ | MO_ALIGN);
- }
- break;
+ g_assert_not_reached(); /* in decodetree */
+ case 0x0e: /* V9 stx */
+ goto illegal_insn; /* in decodetree */
#if !defined(CONFIG_USER_ONLY) || defined(TARGET_SPARC64)
case 0x14: /* sta, V9 stwa, store word alternate */
gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEUL);
@@ -5605,11 +5654,6 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
break;
#endif
#ifdef TARGET_SPARC64
- case 0x0e: /* V9 stx */
- gen_address_mask(dc, cpu_addr);
- tcg_gen_qemu_st_tl(cpu_val, cpu_addr,
- dc->mem_idx, MO_TEUQ | MO_ALIGN);
- break;
case 0x1e: /* V9 stxa */
gen_st_asi(dc, cpu_val, cpu_addr, insn, MO_TEUQ);
break;
--
2.34.1
next prev parent reply other threads:[~2023-10-13 21:34 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-13 21:27 [PATCH 00/85] target/sparc: Convert to decodetree Richard Henderson
2023-10-13 21:27 ` [PATCH 01/85] target/sparc: Set TCG_GUEST_DEFAULT_MO Richard Henderson
2023-10-16 6:46 ` Philippe Mathieu-Daudé
2023-10-13 21:27 ` [PATCH 02/85] configs: Enable MTTCG for sparc, sparc64 Richard Henderson
2023-10-13 21:27 ` [PATCH 03/85] target/sparc: Remove always-set cpu features Richard Henderson
2023-10-15 16:53 ` Richard Henderson
2023-10-13 21:27 ` [PATCH 04/85] target/sparc: Add decodetree infrastructure Richard Henderson
2023-10-13 21:27 ` [PATCH 05/85] target/sparc: Define AM_CHECK for sparc32 Richard Henderson
2023-10-13 21:27 ` [PATCH 06/85] target/sparc: Move CALL to decodetree Richard Henderson
2023-10-13 21:27 ` [PATCH 07/85] target/sparc: Move BPcc and Bicc " Richard Henderson
2023-10-13 21:27 ` [PATCH 08/85] target/sparc: Move BPr " Richard Henderson
2023-10-13 21:27 ` [PATCH 09/85] target/sparc: Move FBPfcc and FBfcc " Richard Henderson
2025-01-26 9:38 ` Artyom Tarasenko
2025-01-26 12:25 ` Richard Henderson
2023-10-13 21:27 ` [PATCH 10/85] target/sparc: Merge gen_cond with only caller Richard Henderson
2023-10-16 6:52 ` Philippe Mathieu-Daudé
2023-10-13 21:27 ` [PATCH 11/85] target/sparc: Merge gen_fcond " Richard Henderson
2023-10-16 6:52 ` Philippe Mathieu-Daudé
2023-10-13 21:27 ` [PATCH 12/85] target/sparc: Merge gen_branch_[an] " Richard Henderson
2023-10-13 21:27 ` [PATCH 13/85] target/sparc: Pass DisasCompare to advance_jump_cond Richard Henderson
2023-10-13 21:27 ` [PATCH 14/85] target/sparc: Move SETHI to decodetree Richard Henderson
2023-10-13 21:27 ` [PATCH 15/85] target/sparc: Move Tcc " Richard Henderson
2023-10-13 21:27 ` [PATCH 16/85] target/sparc: Move RDASR, STBAR, MEMBAR " Richard Henderson
2023-10-13 21:27 ` [PATCH 17/85] target/sparc: Move RDPSR, RDHPR " Richard Henderson
2023-10-13 21:27 ` [PATCH 18/85] target/sparc: Move RDWIM, RDPR " Richard Henderson
2023-10-13 21:27 ` [PATCH 19/85] target/sparc: Move RDTBR, FLUSHW " Richard Henderson
2023-10-13 21:27 ` [PATCH 20/85] target/sparc: Move WRASR " Richard Henderson
2023-10-13 21:27 ` [PATCH 21/85] target/sparc: Move WRPSR, SAVED, RESTORED " Richard Henderson
2023-10-13 21:27 ` [PATCH 22/85] target/sparc: Move WRWIM, WRPR " Richard Henderson
2023-10-13 21:27 ` [PATCH 23/85] target/sparc: Move WRTBR, WRHPR " Richard Henderson
2023-10-13 21:27 ` [PATCH 24/85] target/sparc: Move basic arithmetic " Richard Henderson
2023-10-13 21:27 ` [PATCH 25/85] target/sparc: Move ADDC " Richard Henderson
2023-10-13 21:27 ` [PATCH 26/85] target/sparc: Move MULX " Richard Henderson
2023-10-13 21:27 ` [PATCH 27/85] target/sparc: Move UMUL, SMUL " Richard Henderson
2023-10-13 21:27 ` [PATCH 28/85] target/sparc: Move SUBC " Richard Henderson
2023-10-13 21:27 ` [PATCH 29/85] target/sparc: Move UDIVX, SDIVX " Richard Henderson
2023-10-13 21:27 ` [PATCH 30/85] target/sparc: Move UDIV, SDIV " Richard Henderson
2023-10-13 21:27 ` [PATCH 31/85] target/sparc: Move TADD, TSUB, MULS " Richard Henderson
2023-10-13 21:27 ` [PATCH 32/85] target/sparc: Move SLL, SRL, SRA " Richard Henderson
2023-10-13 21:27 ` [PATCH 33/85] target/sparc: Move MOVcc, MOVR " Richard Henderson
2023-10-13 21:27 ` [PATCH 34/85] target/sparc: Move POPC " Richard Henderson
2023-10-13 21:27 ` [PATCH 35/85] target/sparc: Convert remaining v8 coproc insns " Richard Henderson
2023-10-13 21:27 ` [PATCH 36/85] target/sparc: Move JMPL, RETT, RETURN " Richard Henderson
2023-10-13 21:27 ` [PATCH 37/85] target/sparc: Move FLUSH, SAVE, RESTORE " Richard Henderson
2023-10-13 21:27 ` [PATCH 38/85] target/sparc: Move DONE, RETRY " Richard Henderson
2023-10-13 21:28 ` [PATCH 39/85] target/sparc: Split out resolve_asi Richard Henderson
2023-10-13 21:28 ` [PATCH 40/85] target/sparc: Drop ifdef around get_asi and friends Richard Henderson
2023-10-13 21:28 ` [PATCH 41/85] target/sparc: Split out ldst functions with asi pre-computed Richard Henderson
2023-10-13 21:28 ` [PATCH 42/85] target/sparc: Use tcg_gen_qemu_{ld, st}_i128 for GET_ASI_DTWINX Richard Henderson
2023-10-13 21:28 ` Richard Henderson [this message]
2023-10-13 21:28 ` [PATCH 44/85] target/sparc: Move asi integer load/store to decodetree Richard Henderson
2023-10-13 21:28 ` [PATCH 45/85] target/sparc: Move LDSTUB, LDSTUBA " Richard Henderson
2023-10-13 21:28 ` [PATCH 46/85] target/sparc: Move SWAP, SWAPA " Richard Henderson
2023-10-13 21:28 ` [PATCH 47/85] target/sparc: Move CASA, CASXA " Richard Henderson
2023-10-13 21:28 ` [PATCH 48/85] target/sparc: Move PREFETCH, PREFETCHA " Richard Henderson
2023-10-13 21:28 ` [PATCH 49/85] target/sparc: Split out fp ldst functions with asi precomputed Richard Henderson
2023-10-13 21:28 ` [PATCH 50/85] target/sparc: Move simple fp load/store to decodetree Richard Henderson
2023-10-13 21:28 ` [PATCH 51/85] target/sparc: Move asi " Richard Henderson
2023-10-13 21:28 ` [PATCH 52/85] target/sparc: Move LDFSR, STFSR " Richard Henderson
2023-10-13 21:28 ` [PATCH 53/85] target/sparc: Merge LDFSR, LDXFSR implementations Richard Henderson
2023-10-13 21:28 ` [PATCH 54/85] target/sparc: Move EDGE* to decodetree Richard Henderson
2023-10-13 21:28 ` [PATCH 55/85] target/sparc: Move ARRAY* " Richard Henderson
2023-10-13 21:28 ` [PATCH 56/85] target/sparc: Move ADDRALIGN* " Richard Henderson
2023-10-13 21:28 ` [PATCH 57/85] target/sparc: Move BMASK " Richard Henderson
2023-10-13 21:28 ` [PATCH 58/85] target/sparc: Move FMOVS, FNEGS, FABSS, FSRC*S, FNOT*S " Richard Henderson
2023-10-13 21:28 ` [PATCH 59/85] target/sparc: Move FMOVD, FNEGD, FABSD, FSRC*D, FNOT*D " Richard Henderson
2023-10-13 21:28 ` [PATCH 60/85] target/sparc: Use tcg_gen_vec_{add,sub}* Richard Henderson
2023-10-13 21:28 ` [PATCH 61/85] target/sparc: Move gen_ne_fop_FFF insns to decodetree Richard Henderson
2023-10-13 21:28 ` [PATCH 62/85] target/sparc: Move gen_ne_fop_DDD " Richard Henderson
2023-10-13 21:28 ` [PATCH 63/85] target/sparc: Move PDIST " Richard Henderson
2023-10-13 21:28 ` [PATCH 64/85] target/sparc: Move gen_gsr_fop_DDD insns " Richard Henderson
2023-10-13 21:28 ` [PATCH 65/85] target/sparc: Move gen_fop_FF " Richard Henderson
2023-10-13 21:28 ` [PATCH 66/85] target/sparc: Move gen_fop_DD " Richard Henderson
2023-10-13 21:28 ` [PATCH 67/85] target/sparc: Move FSQRTq " Richard Henderson
2023-10-13 21:28 ` [PATCH 68/85] target/sparc: Move gen_fop_FFF insns " Richard Henderson
2023-10-13 21:28 ` [PATCH 69/85] target/sparc: Move gen_fop_DDD " Richard Henderson
2023-10-13 21:28 ` [PATCH 70/85] target/sparc: Move gen_fop_QQQ " Richard Henderson
2023-10-13 21:28 ` [PATCH 71/85] target/sparc: Move FSMULD " Richard Henderson
2023-10-13 21:28 ` [PATCH 72/85] target/sparc: Move FDMULQ " Richard Henderson
2023-10-13 21:28 ` [PATCH 73/85] target/sparc: Move gen_fop_FD insns " Richard Henderson
2023-10-13 21:28 ` [PATCH 74/85] target/sparc: Move FiTOd, FsTOd, FsTOx " Richard Henderson
2023-10-13 21:28 ` [PATCH 75/85] target/sparc: Move FqTOs, FqTOi " Richard Henderson
2023-10-13 21:28 ` [PATCH 76/85] target/sparc: Move FqTOd, FqTOx " Richard Henderson
2023-10-13 21:28 ` [PATCH 77/85] target/sparc: Move FiTOq, FsTOq " Richard Henderson
2023-10-13 21:28 ` [PATCH 78/85] target/sparc: Move FdTOq, FxTOq " Richard Henderson
2023-10-13 21:28 ` [PATCH 79/85] target/sparc: Move FMOVq, FNEGq, FABSq " Richard Henderson
2023-10-13 21:28 ` [PATCH 80/85] target/sparc: Move FMOVR, FMOVcc, FMOVfcc " Richard Henderson
2023-10-13 21:28 ` [PATCH 81/85] target/sparc: Convert FCMP, FCMPE " Richard Henderson
2023-10-13 21:28 ` [PATCH 82/85] target/sparc: Move FPCMP* " Richard Henderson
2023-10-13 21:28 ` [PATCH 83/85] target/sparc: Move FPACK16, FPACKFIX " Richard Henderson
2023-10-13 21:28 ` [PATCH 84/85] target/sparc: Convert FZERO, FONE " Richard Henderson
2023-10-13 21:28 ` [PATCH 85/85] target/sparc: Remove disas_sparc_legacy Richard Henderson
2023-10-14 6:32 ` [PATCH 00/85] target/sparc: Convert to decodetree Mark Cave-Ayland
2023-10-15 20:12 ` Mark Cave-Ayland
2023-10-15 22:38 ` Richard Henderson
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