Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
target/sparc/insns.decode | 22 +++-
target/sparc/translate.c | 269 ++++++++++++++++----------------------
2 files changed, 131 insertions(+), 160 deletions(-)
diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 850b1a3845..04715cf068 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -35,6 +35,9 @@ CALL 01 i:s30
@r_r_ri_cc0 .. rd:5 ...... rs1:5 imm:1 rs2_or_imm:s13 &r_r_ri_cc cc=0
@r_r_ri_cc1 .. rd:5 ...... rs1:5 imm:1 rs2_or_imm:s13 &r_r_ri_cc cc=1
+&r_r_r rd rs1 rs2
+@r_r_r .. rd:5 ...... rs1:5 . ........ rs2:5 &r_r_r
+
{
[
STBAR 10 00000 101000 01111 0 0000000000000
@@ -231,7 +234,24 @@ RESTORE 10 ..... 111101 ..... . .............
@r_r_ri
DONE 10 00000 111110 00000 0 0000000000000
RETRY 10 00001 111110 00000 0 0000000000000
-NCP 10 ----- 110110 ----- --------- ----- # v8 CPop1
+{
+ [
+ EDGE8cc 10 ..... 110110 ..... 0 0000 0000 ..... @r_r_r
+ EDGE8N 10 ..... 110110 ..... 0 0000 0001 ..... @r_r_r
+ EDGE8Lcc 10 ..... 110110 ..... 0 0000 0010 ..... @r_r_r
+ EDGE8LN 10 ..... 110110 ..... 0 0000 0011 ..... @r_r_r
+ EDGE16cc 10 ..... 110110 ..... 0 0000 0100 ..... @r_r_r
+ EDGE16N 10 ..... 110110 ..... 0 0000 0101 ..... @r_r_r
+ EDGE16Lcc 10 ..... 110110 ..... 0 0000 0110 ..... @r_r_r
+ EDGE16LN 10 ..... 110110 ..... 0 0000 0111 ..... @r_r_r
+ EDGE32cc 10 ..... 110110 ..... 0 0000 1000 ..... @r_r_r
+ EDGE32N 10 ..... 110110 ..... 0 0000 1001 ..... @r_r_r
+ EDGE32Lcc 10 ..... 110110 ..... 0 0000 1010 ..... @r_r_r
+ EDGE32LN 10 ..... 110110 ..... 0 0000 1011 ..... @r_r_r
+ ]
+ NCP 10 ----- 110110 ----- --------- ----- # v8 CPop1
+}
+
NCP 10 ----- 110111 ----- --------- ----- # v8 CPop2
##
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index f1f43b4e14..5c76933970 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -2711,93 +2711,6 @@ static void gen_load_trap_state_at_tl(TCGv_ptr r_tsptr)
}
}
-static void gen_edge(DisasContext *dc, TCGv dst, TCGv s1, TCGv s2,
- int width, bool cc, bool left)
-{
- TCGv lo1, lo2;
- uint64_t amask, tabl, tabr;
- int shift, imask, omask;
-
- if (cc) {
- tcg_gen_mov_tl(cpu_cc_src, s1);
- tcg_gen_mov_tl(cpu_cc_src2, s2);
- tcg_gen_sub_tl(cpu_cc_dst, s1, s2);
- tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUB);
- dc->cc_op = CC_OP_SUB;
- }
-
- /* Theory of operation: there are two tables, left and right (not to
- be confused with the left and right versions of the opcode). These
- are indexed by the low 3 bits of the inputs. To make things "easy",
- these tables are loaded into two constants, TABL and TABR below.
- The operation index = (input & imask) << shift calculates the index
- into the constant, while val = (table >> index) & omask calculates
- the value we're looking for. */
- switch (width) {
- case 8:
- imask = 0x7;
- shift = 3;
- omask = 0xff;
- if (left) {
- tabl = 0x80c0e0f0f8fcfeffULL;
- tabr = 0xff7f3f1f0f070301ULL;
- } else {
- tabl = 0x0103070f1f3f7fffULL;
- tabr = 0xfffefcf8f0e0c080ULL;
- }
- break;
- case 16:
- imask = 0x6;
- shift = 1;
- omask = 0xf;
- if (left) {
- tabl = 0x8cef;
- tabr = 0xf731;
- } else {
- tabl = 0x137f;
- tabr = 0xfec8;
- }
- break;
- case 32:
- imask = 0x4;
- shift = 0;
- omask = 0x3;
- if (left) {
- tabl = (2 << 2) | 3;
- tabr = (3 << 2) | 1;
- } else {
- tabl = (1 << 2) | 3;
- tabr = (3 << 2) | 2;
- }
- break;
- default:
- abort();
- }
-
- lo1 = tcg_temp_new();
- lo2 = tcg_temp_new();
- tcg_gen_andi_tl(lo1, s1, imask);
- tcg_gen_andi_tl(lo2, s2, imask);
- tcg_gen_shli_tl(lo1, lo1, shift);
- tcg_gen_shli_tl(lo2, lo2, shift);
-
- tcg_gen_shr_tl(lo1, tcg_constant_tl(tabl), lo1);
- tcg_gen_shr_tl(lo2, tcg_constant_tl(tabr), lo2);
- tcg_gen_andi_tl(lo1, lo1, omask);
- tcg_gen_andi_tl(lo2, lo2, omask);
-
- amask = -8;
- if (AM_CHECK(dc)) {
- amask &= 0xffffffffULL;
- }
- tcg_gen_andi_tl(s1, s1, amask);
- tcg_gen_andi_tl(s2, s2, amask);
-
- /* Compute dst = (s1 == s2 ? lo1 : lo1 & lo2). */
- tcg_gen_and_tl(lo2, lo2, lo1);
- tcg_gen_movcond_tl(TCG_COND_EQ, dst, s1, s2, lo1, lo2);
-}
-
static void gen_alignaddr(TCGv dst, TCGv s1, TCGv s2, bool left)
{
TCGv tmp = tcg_temp_new();
@@ -2864,6 +2777,8 @@ static int extract_qfpreg(DisasContext *dc, int x)
#define avail_HYPV(C) ((C)->def->features & CPU_FEATURE_HYPV)
#define avail_MUL(C) ((C)->def->features & CPU_FEATURE_MUL)
#define avail_POWERDOWN(C) ((C)->def->features & CPU_FEATURE_POWERDOWN)
+#define avail_VIS1(C) ((C)->def->features & CPU_FEATURE_VIS1)
+#define avail_VIS2(C) ((C)->def->features & CPU_FEATURE_VIS2)
/* Default case for non jump instructions. */
static bool advance_pc(DisasContext *dc)
@@ -4298,6 +4213,113 @@ 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 gen_edge(DisasContext *dc, arg_r_r_r *a,
+ int width, bool cc, bool left)
+{
+ TCGv dst, s1, s2, lo1, lo2;
+ uint64_t amask, tabl, tabr;
+ int shift, imask, omask;
+
+ dst = gen_dest_gpr(dc, a->rd);
+ s1 = gen_load_gpr(dc, a->rs1);
+ s2 = gen_load_gpr(dc, a->rs2);
+
+ if (cc) {
+ tcg_gen_mov_tl(cpu_cc_src, s1);
+ tcg_gen_mov_tl(cpu_cc_src2, s2);
+ tcg_gen_sub_tl(cpu_cc_dst, s1, s2);
+ tcg_gen_movi_i32(cpu_cc_op, CC_OP_SUB);
+ dc->cc_op = CC_OP_SUB;
+ }
+
+ /*
+ * Theory of operation: there are two tables, left and right (not to
+ * be confused with the left and right versions of the opcode). These
+ * are indexed by the low 3 bits of the inputs. To make things "easy",
+ * these tables are loaded into two constants, TABL and TABR below.
+ * The operation index = (input & imask) << shift calculates the index
+ * into the constant, while val = (table >> index) & omask calculates
+ * the value we're looking for.
+ */
+ switch (width) {
+ case 8:
+ imask = 0x7;
+ shift = 3;
+ omask = 0xff;
+ if (left) {
+ tabl = 0x80c0e0f0f8fcfeffULL;
+ tabr = 0xff7f3f1f0f070301ULL;
+ } else {
+ tabl = 0x0103070f1f3f7fffULL;
+ tabr = 0xfffefcf8f0e0c080ULL;
+ }
+ break;
+ case 16:
+ imask = 0x6;
+ shift = 1;
+ omask = 0xf;
+ if (left) {
+ tabl = 0x8cef;
+ tabr = 0xf731;
+ } else {
+ tabl = 0x137f;
+ tabr = 0xfec8;
+ }
+ break;
+ case 32:
+ imask = 0x4;
+ shift = 0;
+ omask = 0x3;
+ if (left) {
+ tabl = (2 << 2) | 3;
+ tabr = (3 << 2) | 1;
+ } else {
+ tabl = (1 << 2) | 3;
+ tabr = (3 << 2) | 2;
+ }
+ break;
+ default:
+ abort();
+ }
+
+ lo1 = tcg_temp_new();
+ lo2 = tcg_temp_new();
+ tcg_gen_andi_tl(lo1, s1, imask);
+ tcg_gen_andi_tl(lo2, s2, imask);
+ tcg_gen_shli_tl(lo1, lo1, shift);
+ tcg_gen_shli_tl(lo2, lo2, shift);
+
+ tcg_gen_shr_tl(lo1, tcg_constant_tl(tabl), lo1);
+ tcg_gen_shr_tl(lo2, tcg_constant_tl(tabr), lo2);
+ tcg_gen_andi_tl(lo1, lo1, omask);
+ tcg_gen_andi_tl(lo2, lo2, omask);
+
+ amask = address_mask_i(dc, -8);
+ tcg_gen_andi_tl(s1, s1, amask);
+ tcg_gen_andi_tl(s2, s2, amask);
+
+ /* Compute dst = (s1 == s2 ? lo1 : lo1 & lo2). */
+ tcg_gen_and_tl(lo2, lo2, lo1);
+ tcg_gen_movcond_tl(TCG_COND_EQ, dst, s1, s2, lo1, lo2);
+
+ gen_store_gpr(dc, a->rd, dst);
+ return advance_pc(dc);
+}
+
+TRANS(EDGE8cc, VIS1, gen_edge, a, 8, 1, 0)
+TRANS(EDGE8Lcc, VIS1, gen_edge, a, 8, 1, 1)
+TRANS(EDGE16cc, VIS1, gen_edge, a, 16, 1, 0)
+TRANS(EDGE16Lcc, VIS1, gen_edge, a, 16, 1, 1)
+TRANS(EDGE32cc, VIS1, gen_edge, a, 32, 1, 0)
+TRANS(EDGE32Lcc, VIS1, gen_edge, a, 32, 1, 1)
+
+TRANS(EDGE8N, VIS2, gen_edge, a, 8, 0, 0)
+TRANS(EDGE8LN, VIS2, gen_edge, a, 8, 0, 1)
+TRANS(EDGE16N, VIS2, gen_edge, a, 16, 0, 0)
+TRANS(EDGE16LN, VIS2, gen_edge, a, 16, 0, 1)
+TRANS(EDGE32N, VIS2, gen_edge, a, 32, 0, 0)
+TRANS(EDGE32LN, VIS2, gen_edge, a, 32, 0, 1)
+
static bool do_shift_r(DisasContext *dc, arg_shiftr *a, bool l, bool u)
{
TCGv dst, src1, src2;
@@ -5197,89 +5219,18 @@ static void disas_sparc_legacy(DisasContext *dc,
unsigned int insn)
switch (opf) {
case 0x000: /* VIS I edge8cc */
- CHECK_FPU_FEATURE(dc, VIS1);
- cpu_src1 = gen_load_gpr(dc, rs1);
- cpu_src2 = gen_load_gpr(dc, rs2);
- gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 1, 0);
- gen_store_gpr(dc, rd, cpu_dst);
- break;
case 0x001: /* VIS II edge8n */
- CHECK_FPU_FEATURE(dc, VIS2);
- cpu_src1 = gen_load_gpr(dc, rs1);
- cpu_src2 = gen_load_gpr(dc, rs2);
- gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 0, 0);
- gen_store_gpr(dc, rd, cpu_dst);
- break;
case 0x002: /* VIS I edge8lcc */
- CHECK_FPU_FEATURE(dc, VIS1);
- cpu_src1 = gen_load_gpr(dc, rs1);
- cpu_src2 = gen_load_gpr(dc, rs2);
- gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 1, 1);
- gen_store_gpr(dc, rd, cpu_dst);
- break;
case 0x003: /* VIS II edge8ln */
- CHECK_FPU_FEATURE(dc, VIS2);
- cpu_src1 = gen_load_gpr(dc, rs1);
- cpu_src2 = gen_load_gpr(dc, rs2);
- gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 8, 0, 1);
- gen_store_gpr(dc, rd, cpu_dst);
- break;
case 0x004: /* VIS I edge16cc */
- CHECK_FPU_FEATURE(dc, VIS1);
- cpu_src1 = gen_load_gpr(dc, rs1);
- cpu_src2 = gen_load_gpr(dc, rs2);
- gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 1, 0);
- gen_store_gpr(dc, rd, cpu_dst);
- break;
case 0x005: /* VIS II edge16n */
- CHECK_FPU_FEATURE(dc, VIS2);
- cpu_src1 = gen_load_gpr(dc, rs1);
- cpu_src2 = gen_load_gpr(dc, rs2);
- gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 0, 0);
- gen_store_gpr(dc, rd, cpu_dst);
- break;
case 0x006: /* VIS I edge16lcc */
- CHECK_FPU_FEATURE(dc, VIS1);
- cpu_src1 = gen_load_gpr(dc, rs1);
- cpu_src2 = gen_load_gpr(dc, rs2);
- gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 1, 1);
- gen_store_gpr(dc, rd, cpu_dst);
- break;
case 0x007: /* VIS II edge16ln */
- CHECK_FPU_FEATURE(dc, VIS2);
- cpu_src1 = gen_load_gpr(dc, rs1);
- cpu_src2 = gen_load_gpr(dc, rs2);
- gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 16, 0, 1);
- gen_store_gpr(dc, rd, cpu_dst);
- break;
case 0x008: /* VIS I edge32cc */
- CHECK_FPU_FEATURE(dc, VIS1);
- cpu_src1 = gen_load_gpr(dc, rs1);
- cpu_src2 = gen_load_gpr(dc, rs2);
- gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 1, 0);
- gen_store_gpr(dc, rd, cpu_dst);
- break;
case 0x009: /* VIS II edge32n */
- CHECK_FPU_FEATURE(dc, VIS2);
- cpu_src1 = gen_load_gpr(dc, rs1);
- cpu_src2 = gen_load_gpr(dc, rs2);
- gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 0, 0);
- gen_store_gpr(dc, rd, cpu_dst);
- break;
case 0x00a: /* VIS I edge32lcc */
- CHECK_FPU_FEATURE(dc, VIS1);
- cpu_src1 = gen_load_gpr(dc, rs1);
- cpu_src2 = gen_load_gpr(dc, rs2);
- gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 1, 1);
- gen_store_gpr(dc, rd, cpu_dst);
- break;
case 0x00b: /* VIS II edge32ln */
- CHECK_FPU_FEATURE(dc, VIS2);
- cpu_src1 = gen_load_gpr(dc, rs1);
- cpu_src2 = gen_load_gpr(dc, rs2);
- gen_edge(dc, cpu_dst, cpu_src1, cpu_src2, 32, 0, 1);
- gen_store_gpr(dc, rd, cpu_dst);
- break;
+ g_assert_not_reached(); /* in decodetree */
case 0x010: /* VIS I array8 */
CHECK_FPU_FEATURE(dc, VIS1);
cpu_src1 = gen_load_gpr(dc, rs1);
--
2.34.1
