From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: mark.cave-ayland@ilande.co.uk
Subject: [PATCH v4 37/90] target/sparc: Move SLL, SRL, SRA to decodetree
Date: Sat, 21 Oct 2023 22:59:38 -0700 [thread overview]
Message-ID: <20231022060031.490251-38-richard.henderson@linaro.org> (raw)
In-Reply-To: <20231022060031.490251-1-richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
target/sparc/insns.decode | 14 +++
target/sparc/translate.c | 182 ++++++++++++++++----------------------
2 files changed, 92 insertions(+), 104 deletions(-)
diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index b35921aabb..51cddc826d 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -183,6 +183,20 @@ TSUBcc 10 ..... 100001 ..... . ............. @r_r_ri_cc1
TADDccTV 10 ..... 100010 ..... . ............. @r_r_ri_cc1
TSUBccTV 10 ..... 100011 ..... . ............. @r_r_ri_cc1
+&shiftr rd rs1 rs2 x:bool
+@shiftr .. rd:5 ...... rs1:5 . x:1 ....... rs2:5 &shiftr
+
+SLL_r 10 ..... 100101 ..... 0 . 0000000 ..... @shiftr
+SRL_r 10 ..... 100110 ..... 0 . 0000000 ..... @shiftr
+SRA_r 10 ..... 100111 ..... 0 . 0000000 ..... @shiftr
+
+&shifti rd rs1 i x:bool
+@shifti .. rd:5 ...... rs1:5 . x:1 ...... i:6 &shifti
+
+SLL_i 10 ..... 100101 ..... 1 . 000000 ...... @shifti
+SRL_i 10 ..... 100110 ..... 1 . 000000 ...... @shifti
+SRA_i 10 ..... 100111 ..... 1 . 000000 ...... @shifti
+
Tcc_r 10 0 cond:4 111010 rs1:5 0 cc:1 0000000 rs2:5
{
# For v7, the entire simm13 field is present, but masked to 7 bits.
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 179f991c5d..3785728e66 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -4391,6 +4391,83 @@ static bool trans_MULScc(DisasContext *dc, arg_r_r_ri_cc *a)
return do_arith(dc, a, CC_OP_ADD, gen_op_mulscc, NULL);
}
+static bool do_shift_r(DisasContext *dc, arg_shiftr *a, bool l, bool u)
+{
+ TCGv dst, src1, src2;
+
+ /* Reject 64-bit shifts for sparc32. */
+ if (avail_32(dc) && a->x) {
+ return false;
+ }
+
+ src2 = tcg_temp_new();
+ tcg_gen_andi_tl(src2, gen_load_gpr(dc, a->rs2), a->x ? 63 : 31);
+ src1 = gen_load_gpr(dc, a->rs1);
+ dst = gen_dest_gpr(dc, a->rd);
+
+ if (l) {
+ tcg_gen_shl_tl(dst, src1, src2);
+ if (!a->x) {
+ tcg_gen_ext32u_tl(dst, dst);
+ }
+ } else if (u) {
+ if (!a->x) {
+ tcg_gen_ext32u_tl(dst, src1);
+ src1 = dst;
+ }
+ tcg_gen_shr_tl(dst, src1, src2);
+ } else {
+ if (!a->x) {
+ tcg_gen_ext32s_tl(dst, src1);
+ src1 = dst;
+ }
+ tcg_gen_sar_tl(dst, src1, src2);
+ }
+ gen_store_gpr(dc, a->rd, dst);
+ return advance_pc(dc);
+}
+
+TRANS(SLL_r, ALL, do_shift_r, a, true, true)
+TRANS(SRL_r, ALL, do_shift_r, a, false, true)
+TRANS(SRA_r, ALL, do_shift_r, a, false, false)
+
+static bool do_shift_i(DisasContext *dc, arg_shifti *a, bool l, bool u)
+{
+ TCGv dst, src1;
+
+ /* Reject 64-bit shifts for sparc32. */
+ if (avail_32(dc) && (a->x || a->i >= 32)) {
+ return false;
+ }
+
+ src1 = gen_load_gpr(dc, a->rs1);
+ dst = gen_dest_gpr(dc, a->rd);
+
+ if (avail_32(dc) || a->x) {
+ if (l) {
+ tcg_gen_shli_tl(dst, src1, a->i);
+ } else if (u) {
+ tcg_gen_shri_tl(dst, src1, a->i);
+ } else {
+ tcg_gen_sari_tl(dst, src1, a->i);
+ }
+ } else {
+ if (l) {
+ tcg_gen_deposit_z_tl(dst, src1, a->i, 32 - a->i);
+ } else if (u) {
+ tcg_gen_extract_tl(dst, src1, a->i, 32 - a->i);
+ } else {
+ tcg_gen_sextract_tl(dst, src1, a->i, 32 - a->i);
+ }
+ }
+ gen_store_gpr(dc, a->rd, dst);
+ return advance_pc(dc);
+}
+
+TRANS(SLL_i, ALL, do_shift_i, a, true, true)
+TRANS(SRL_i, ALL, do_shift_i, a, false, true)
+TRANS(SRA_i, ALL, do_shift_i, a, false, false)
+
#define CHECK_IU_FEATURE(dc, FEATURE) \
if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE)) \
goto illegal_insn;
@@ -4739,77 +4816,6 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
default:
goto illegal_insn;
}
-#ifdef TARGET_SPARC64
- } else if (xop == 0x25) { /* sll, V9 sllx */
- cpu_src1 = get_src1(dc, insn);
- if (IS_IMM) { /* immediate */
- simm = GET_FIELDs(insn, 20, 31);
- if (insn & (1 << 12)) {
- tcg_gen_shli_i64(cpu_dst, cpu_src1, simm & 0x3f);
- } else {
- tcg_gen_shli_i64(cpu_dst, cpu_src1, simm & 0x1f);
- }
- } else { /* register */
- rs2 = GET_FIELD(insn, 27, 31);
- cpu_src2 = gen_load_gpr(dc, rs2);
- cpu_tmp0 = tcg_temp_new();
- if (insn & (1 << 12)) {
- tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
- } else {
- tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
- }
- tcg_gen_shl_i64(cpu_dst, cpu_src1, cpu_tmp0);
- }
- gen_store_gpr(dc, rd, cpu_dst);
- } else if (xop == 0x26) { /* srl, V9 srlx */
- cpu_src1 = get_src1(dc, insn);
- if (IS_IMM) { /* immediate */
- simm = GET_FIELDs(insn, 20, 31);
- if (insn & (1 << 12)) {
- tcg_gen_shri_i64(cpu_dst, cpu_src1, simm & 0x3f);
- } else {
- tcg_gen_andi_i64(cpu_dst, cpu_src1, 0xffffffffULL);
- tcg_gen_shri_i64(cpu_dst, cpu_dst, simm & 0x1f);
- }
- } else { /* register */
- rs2 = GET_FIELD(insn, 27, 31);
- cpu_src2 = gen_load_gpr(dc, rs2);
- cpu_tmp0 = tcg_temp_new();
- if (insn & (1 << 12)) {
- tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
- tcg_gen_shr_i64(cpu_dst, cpu_src1, cpu_tmp0);
- } else {
- tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
- tcg_gen_andi_i64(cpu_dst, cpu_src1, 0xffffffffULL);
- tcg_gen_shr_i64(cpu_dst, cpu_dst, cpu_tmp0);
- }
- }
- gen_store_gpr(dc, rd, cpu_dst);
- } else if (xop == 0x27) { /* sra, V9 srax */
- cpu_src1 = get_src1(dc, insn);
- if (IS_IMM) { /* immediate */
- simm = GET_FIELDs(insn, 20, 31);
- if (insn & (1 << 12)) {
- tcg_gen_sari_i64(cpu_dst, cpu_src1, simm & 0x3f);
- } else {
- tcg_gen_ext32s_i64(cpu_dst, cpu_src1);
- tcg_gen_sari_i64(cpu_dst, cpu_dst, simm & 0x1f);
- }
- } else { /* register */
- rs2 = GET_FIELD(insn, 27, 31);
- cpu_src2 = gen_load_gpr(dc, rs2);
- cpu_tmp0 = tcg_temp_new();
- if (insn & (1 << 12)) {
- tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x3f);
- tcg_gen_sar_i64(cpu_dst, cpu_src1, cpu_tmp0);
- } else {
- tcg_gen_andi_i64(cpu_tmp0, cpu_src2, 0x1f);
- tcg_gen_ext32s_i64(cpu_dst, cpu_src1);
- tcg_gen_sar_i64(cpu_dst, cpu_dst, cpu_tmp0);
- }
- }
- gen_store_gpr(dc, rd, cpu_dst);
-#endif
} else if (xop < 0x36) {
if (xop < 0x20) {
goto illegal_insn;
@@ -4822,42 +4828,10 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
case 0x22: /* taddcctv */
case 0x23: /* tsubcctv */
case 0x24: /* mulscc */
- goto illegal_insn; /* in decodetree */
-#ifndef TARGET_SPARC64
case 0x25: /* sll */
- if (IS_IMM) { /* immediate */
- simm = GET_FIELDs(insn, 20, 31);
- tcg_gen_shli_tl(cpu_dst, cpu_src1, simm & 0x1f);
- } else { /* register */
- cpu_tmp0 = tcg_temp_new();
- tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
- tcg_gen_shl_tl(cpu_dst, cpu_src1, cpu_tmp0);
- }
- gen_store_gpr(dc, rd, cpu_dst);
- break;
case 0x26: /* srl */
- if (IS_IMM) { /* immediate */
- simm = GET_FIELDs(insn, 20, 31);
- tcg_gen_shri_tl(cpu_dst, cpu_src1, simm & 0x1f);
- } else { /* register */
- cpu_tmp0 = tcg_temp_new();
- tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
- tcg_gen_shr_tl(cpu_dst, cpu_src1, cpu_tmp0);
- }
- gen_store_gpr(dc, rd, cpu_dst);
- break;
case 0x27: /* sra */
- if (IS_IMM) { /* immediate */
- simm = GET_FIELDs(insn, 20, 31);
- tcg_gen_sari_tl(cpu_dst, cpu_src1, simm & 0x1f);
- } else { /* register */
- cpu_tmp0 = tcg_temp_new();
- tcg_gen_andi_tl(cpu_tmp0, cpu_src2, 0x1f);
- tcg_gen_sar_tl(cpu_dst, cpu_src1, cpu_tmp0);
- }
- gen_store_gpr(dc, rd, cpu_dst);
- break;
-#endif
+ goto illegal_insn; /* in decodetree */
case 0x30:
goto illegal_insn; /* WRASR in decodetree */
case 0x32:
--
2.34.1
next prev parent reply other threads:[~2023-10-22 6:12 UTC|newest]
Thread overview: 93+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-22 5:59 [PATCH v4 00/90] target/sparc: Convert to decodetree Richard Henderson
2023-10-22 5:59 ` [PATCH v4 01/90] target/sparc: Clear may_lookup for npc == DYNAMIC_PC Richard Henderson
2023-10-22 5:59 ` [PATCH v4 02/90] target/sparc: Implement check_align inline Richard Henderson
2023-10-22 5:59 ` [PATCH v4 03/90] target/sparc: Avoid helper_raise_exception in helper_st_asi Richard Henderson
2023-10-22 5:59 ` [PATCH v4 04/90] target/sparc: Set TCG_GUEST_DEFAULT_MO Richard Henderson
2023-10-22 5:59 ` [PATCH v4 05/90] configs: Enable MTTCG for sparc, sparc64 Richard Henderson
2023-10-22 5:59 ` [PATCH v4 06/90] target/sparc: Define features via cpu-feature.h.inc Richard Henderson
2023-10-22 5:59 ` [PATCH v4 07/90] target/sparc: Use CPU_FEATURE_BIT_* for cpu properties Richard Henderson
2023-10-22 5:59 ` [PATCH v4 08/90] target/sparc: Remove sparcv7 cpu features Richard Henderson
2023-10-22 5:59 ` [PATCH v4 09/90] target/sparc: Add decodetree infrastructure Richard Henderson
2023-10-22 5:59 ` [PATCH v4 10/90] target/sparc: Define AM_CHECK for sparc32 Richard Henderson
2023-10-22 5:59 ` [PATCH v4 11/90] target/sparc: Move CALL to decodetree Richard Henderson
2023-10-22 5:59 ` [PATCH v4 12/90] target/sparc: Move BPcc and Bicc " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 13/90] target/sparc: Move BPr " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 14/90] target/sparc: Move FBPfcc and FBfcc " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 15/90] target/sparc: Merge gen_cond with only caller Richard Henderson
2023-10-22 5:59 ` [PATCH v4 16/90] target/sparc: Merge gen_fcond " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 17/90] target/sparc: Merge gen_branch_[an] " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 18/90] target/sparc: Pass DisasCompare to advance_jump_cond Richard Henderson
2023-10-22 5:59 ` [PATCH v4 19/90] target/sparc: Move SETHI to decodetree Richard Henderson
2023-10-22 5:59 ` [PATCH v4 20/90] target/sparc: Move Tcc " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 21/90] target/sparc: Move RDASR, STBAR, MEMBAR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 22/90] target/sparc: Move RDPSR, RDHPR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 23/90] target/sparc: Move RDWIM, RDPR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 24/90] target/sparc: Move RDTBR, FLUSHW " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 25/90] target/sparc: Move WRASR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 26/90] target/sparc: Move WRPSR, SAVED, RESTORED " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 27/90] target/sparc: Move WRWIM, WRPR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 28/90] target/sparc: Move WRTBR, WRHPR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 29/90] target/sparc: Move basic arithmetic " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 30/90] target/sparc: Move ADDC " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 31/90] target/sparc: Move MULX " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 32/90] target/sparc: Move UMUL, SMUL " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 33/90] target/sparc: Move SUBC " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 34/90] target/sparc: Move UDIVX, SDIVX " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 35/90] target/sparc: Move UDIV, SDIV " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 36/90] target/sparc: Move TADD, TSUB, MULS " Richard Henderson
2023-10-22 5:59 ` Richard Henderson [this message]
2023-10-22 5:59 ` [PATCH v4 38/90] target/sparc: Move MOVcc, MOVR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 39/90] target/sparc: Move POPC " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 40/90] target/sparc: Convert remaining v8 coproc insns " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 41/90] target/sparc: Move JMPL, RETT, RETURN " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 42/90] target/sparc: Move FLUSH, SAVE, RESTORE " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 43/90] target/sparc: Move DONE, RETRY " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 44/90] target/sparc: Split out resolve_asi Richard Henderson
2023-10-22 5:59 ` [PATCH v4 45/90] target/sparc: Drop ifdef around get_asi and friends Richard Henderson
2023-10-22 5:59 ` [PATCH v4 46/90] target/sparc: Split out ldst functions with asi pre-computed Richard Henderson
2023-10-22 5:59 ` [PATCH v4 47/90] target/sparc: Use tcg_gen_qemu_{ld, st}_i128 for GET_ASI_DTWINX Richard Henderson
2023-10-22 5:59 ` [PATCH v4 48/90] target/sparc: Move simple integer load/store to decodetree Richard Henderson
2023-10-22 5:59 ` [PATCH v4 49/90] target/sparc: Move asi " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 50/90] target/sparc: Move LDSTUB, LDSTUBA " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 51/90] target/sparc: Move SWAP, SWAPA " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 52/90] target/sparc: Move CASA, CASXA " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 53/90] target/sparc: Move PREFETCH, PREFETCHA " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 54/90] target/sparc: Split out fp ldst functions with asi precomputed Richard Henderson
2023-10-22 5:59 ` [PATCH v4 55/90] target/sparc: Move simple fp load/store to decodetree Richard Henderson
2023-10-22 5:59 ` [PATCH v4 56/90] target/sparc: Move asi " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 57/90] target/sparc: Move LDFSR, STFSR " Richard Henderson
2023-10-22 5:59 ` [PATCH v4 58/90] target/sparc: Merge LDFSR, LDXFSR implementations Richard Henderson
2023-10-22 6:00 ` [PATCH v4 59/90] target/sparc: Move EDGE* to decodetree Richard Henderson
2023-10-22 6:00 ` [PATCH v4 60/90] target/sparc: Move ARRAY* " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 61/90] target/sparc: Move ADDRALIGN* " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 62/90] target/sparc: Move BMASK " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 63/90] target/sparc: Move FMOVS, FNEGS, FABSS, FSRC*S, FNOT*S " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 64/90] target/sparc: Move FMOVD, FNEGD, FABSD, FSRC*D, FNOT*D " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 65/90] target/sparc: Use tcg_gen_vec_{add,sub}* Richard Henderson
2023-10-22 6:00 ` [PATCH v4 66/90] target/sparc: Move gen_ne_fop_FFF insns to decodetree Richard Henderson
2023-10-22 6:00 ` [PATCH v4 67/90] target/sparc: Move gen_ne_fop_DDD " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 68/90] target/sparc: Move PDIST " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 69/90] target/sparc: Move gen_gsr_fop_DDD insns " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 70/90] target/sparc: Move gen_fop_FF " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 71/90] target/sparc: Move gen_fop_DD " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 72/90] target/sparc: Move FSQRTq " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 73/90] target/sparc: Move gen_fop_FFF insns " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 74/90] target/sparc: Move gen_fop_DDD " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 75/90] target/sparc: Move gen_fop_QQQ " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 76/90] target/sparc: Move FSMULD " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 77/90] target/sparc: Move FDMULQ " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 78/90] target/sparc: Move gen_fop_FD insns " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 79/90] target/sparc: Move FiTOd, FsTOd, FsTOx " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 80/90] target/sparc: Move FqTOs, FqTOi " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 81/90] target/sparc: Move FqTOd, FqTOx " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 82/90] target/sparc: Move FiTOq, FsTOq " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 83/90] target/sparc: Move FdTOq, FxTOq " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 84/90] target/sparc: Move FMOVq, FNEGq, FABSq " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 85/90] target/sparc: Move FMOVR, FMOVcc, FMOVfcc " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 86/90] target/sparc: Convert FCMP, FCMPE " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 87/90] target/sparc: Move FPCMP* " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 88/90] target/sparc: Move FPACK16, FPACKFIX " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 89/90] target/sparc: Convert FZERO, FONE " Richard Henderson
2023-10-22 6:00 ` [PATCH v4 90/90] target/sparc: Remove disas_sparc_legacy Richard Henderson
2023-10-22 12:44 ` [PATCH v4 00/90] target/sparc: Convert to decodetree Mark Cave-Ayland
2023-10-22 17:10 ` Richard Henderson
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20231022060031.490251-38-richard.henderson@linaro.org \
--to=richard.henderson@linaro.org \
--cc=mark.cave-ayland@ilande.co.uk \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).