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target/sparc: Move FMOVq, FNEGq, FABSq to decodetree 

Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-10-11 17:32:24 -07:00
parent 7b8e3e1a87
commit f4e18df576
2 changed files with 51 additions and 94 deletions
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3
target/sparc/insns.decode
View File

@ -241,10 +241,13 @@ RETRY 10 00001 111110 00000 0 0000000000000
FMOVs 10 ..... 110100 00000 0 0000 0001 ..... @r_r2
FMOVd 10 ..... 110100 00000 0 0000 0010 ..... @r_r2
FMOVq 10 ..... 110100 00000 0 0000 0011 ..... @r_r2
FNEGs 10 ..... 110100 00000 0 0000 0101 ..... @r_r2
FNEGd 10 ..... 110100 00000 0 0000 0110 ..... @r_r2
FNEGq 10 ..... 110100 00000 0 0000 0111 ..... @r_r2
FABSs 10 ..... 110100 00000 0 0000 1001 ..... @r_r2
FABSd 10 ..... 110100 00000 0 0000 1010 ..... @r_r2
FABSq 10 ..... 110100 00000 0 0000 1011 ..... @r_r2
FSQRTs 10 ..... 110100 00000 0 0010 1001 ..... @r_r2
FSQRTd 10 ..... 110100 00000 0 0010 1010 ..... @r_r2
FSQRTq 10 ..... 110100 00000 0 0010 1011 ..... @r_r2

142
target/sparc/translate.c
View File

@ -63,6 +63,7 @@
# define gen_helper_write_softint(E, S) qemu_build_not_reached()
# define gen_helper_wrpil(E, S) qemu_build_not_reached()
# define gen_helper_wrpstate(E, S) qemu_build_not_reached()
# define gen_helper_fabsq ({ qemu_build_not_reached(); NULL; })
# define gen_helper_fdtox ({ qemu_build_not_reached(); NULL; })
# define gen_helper_fexpand ({ qemu_build_not_reached(); NULL; })
# define gen_helper_fmul8sux16 ({ qemu_build_not_reached(); NULL; })
@ -72,12 +73,13 @@
# define gen_helper_fmul8x16 ({ qemu_build_not_reached(); NULL; })
# define gen_helper_fmuld8sux16 ({ qemu_build_not_reached(); NULL; })
# define gen_helper_fmuld8ulx16 ({ qemu_build_not_reached(); NULL; })
# define gen_helper_fnegq ({ qemu_build_not_reached(); NULL; })
# define gen_helper_fpmerge ({ qemu_build_not_reached(); NULL; })
# define gen_helper_fqtox ({ qemu_build_not_reached(); NULL; })
# define gen_helper_fstox ({ qemu_build_not_reached(); NULL; })
# define gen_helper_fxtod ({ qemu_build_not_reached(); NULL; })
# define gen_helper_fxtos ({ qemu_build_not_reached(); NULL; })
# define gen_helper_fxtoq ({ qemu_build_not_reached(); NULL; })
# define gen_helper_fxtos ({ qemu_build_not_reached(); NULL; })
# define gen_helper_pdist ({ qemu_build_not_reached(); NULL; })
# define FSR_LDXFSR_MASK 0
# define FSR_LDXFSR_OLDMASK 0
@ -267,18 +269,6 @@ static void gen_op_store_QT0_fpr(unsigned int dst)
offsetof(CPU_QuadU, ll.lower));
}
#ifdef TARGET_SPARC64
static void gen_move_Q(DisasContext *dc, unsigned int rd, unsigned int rs)
{
rd = QFPREG(rd);
rs = QFPREG(rs);
tcg_gen_mov_i64(cpu_fpr[rd / 2], cpu_fpr[rs / 2]);
tcg_gen_mov_i64(cpu_fpr[rd / 2 + 1], cpu_fpr[rs / 2 + 1]);
gen_update_fprs_dirty(dc, rd);
}
#endif
/* moves */
#ifdef CONFIG_USER_ONLY
#define supervisor(dc) 0
@ -1660,19 +1650,6 @@ static int gen_trap_ifnofpu(DisasContext *dc)
return 0;
}
#ifdef TARGET_SPARC64
static void gen_ne_fop_QQ(DisasContext *dc, int rd, int rs,
void (*gen)(TCGv_ptr))
{
gen_op_load_fpr_QT1(QFPREG(rs));
gen(tcg_env);
gen_op_store_QT0_fpr(QFPREG(rd));
gen_update_fprs_dirty(dc, QFPREG(rd));
}
#endif
/* asi moves */
typedef enum {
GET_ASI_HELPER,
@ -4709,6 +4686,50 @@ TRANS(FiTOd, ALL, do_env_df, a, gen_helper_fitod)
TRANS(FsTOd, ALL, do_env_df, a, gen_helper_fstod)
TRANS(FsTOx, 64, do_env_df, a, gen_helper_fstox)
static bool trans_FMOVq(DisasContext *dc, arg_FMOVq *a)
{
int rd, rs;
if (!avail_64(dc)) {
return false;
}
if (gen_trap_ifnofpu(dc)) {
return true;
}
if (gen_trap_float128(dc)) {
return true;
}
gen_op_clear_ieee_excp_and_FTT();
rd = QFPREG(a->rd);
rs = QFPREG(a->rs);
tcg_gen_mov_i64(cpu_fpr[rd / 2], cpu_fpr[rs / 2]);
tcg_gen_mov_i64(cpu_fpr[rd / 2 + 1], cpu_fpr[rs / 2 + 1]);
gen_update_fprs_dirty(dc, rd);
return advance_pc(dc);
}
static bool do_qq(DisasContext *dc, arg_r_r *a,
void (*func)(TCGv_env))
{
if (gen_trap_ifnofpu(dc)) {
return true;
}
if (gen_trap_float128(dc)) {
return true;
}
gen_op_clear_ieee_excp_and_FTT();
gen_op_load_fpr_QT1(QFPREG(a->rs));
func(tcg_env);
gen_op_store_QT0_fpr(QFPREG(a->rd));
gen_update_fprs_dirty(dc, QFPREG(a->rd));
return advance_pc(dc);
}
TRANS(FNEGq, 64, do_qq, a, gen_helper_fnegq)
TRANS(FABSq, 64, do_qq, a, gen_helper_fabsq)
static bool do_env_qq(DisasContext *dc, arg_r_r *a,
void (*func)(TCGv_env))
{
@ -5063,74 +5084,7 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
TCGv cpu_dst __attribute__((unused)) = tcg_temp_new();
if (xop == 0x34) { /* FPU Operations */
if (gen_trap_ifnofpu(dc)) {
goto jmp_insn;
}
gen_op_clear_ieee_excp_and_FTT();
rs1 = GET_FIELD(insn, 13, 17);
rs2 = GET_FIELD(insn, 27, 31);
xop = GET_FIELD(insn, 18, 26);
switch (xop) {
case 0x1: /* fmovs */
case 0x5: /* fnegs */
case 0x9: /* fabss */
case 0x2: /* V9 fmovd */
case 0x6: /* V9 fnegd */
case 0xa: /* V9 fabsd */
case 0x29: /* fsqrts */
case 0xc4: /* fitos */
case 0xd1: /* fstoi */
case 0x2a: /* fsqrtd */
case 0x82: /* V9 fdtox */
case 0x88: /* V9 fxtod */
case 0x2b: /* fsqrtq */
case 0x41: /* fadds */
case 0x45: /* fsubs */
case 0x49: /* fmuls */
case 0x4d: /* fdivs */
case 0x42: /* faddd */
case 0x46: /* fsubd */
case 0x4a: /* fmuld */
case 0x4e: /* fdivd */
case 0x43: /* faddq */
case 0x47: /* fsubq */
case 0x4b: /* fmulq */
case 0x4f: /* fdivq */
case 0x69: /* fsmuld */
case 0x6e: /* fdmulq */
case 0xc6: /* fdtos */
case 0xd2: /* fdtoi */
case 0x84: /* V9 fxtos */
case 0xc8: /* fitod */
case 0xc9: /* fstod */
case 0x81: /* V9 fstox */
case 0xc7: /* fqtos */
case 0xd3: /* fqtoi */
case 0xcb: /* fqtod */
case 0x83: /* V9 fqtox */
case 0xcc: /* fitoq */
case 0xcd: /* fstoq */
case 0xce: /* fdtoq */
case 0x8c: /* V9 fxtoq */
g_assert_not_reached(); /* in decodetree */
#ifdef TARGET_SPARC64
case 0x3: /* V9 fmovq */
CHECK_FPU_FEATURE(dc, FLOAT128);
gen_move_Q(dc, rd, rs2);
break;
case 0x7: /* V9 fnegq */
CHECK_FPU_FEATURE(dc, FLOAT128);
gen_ne_fop_QQ(dc, rd, rs2, gen_helper_fnegq);
break;
case 0xb: /* V9 fabsq */
CHECK_FPU_FEATURE(dc, FLOAT128);
gen_ne_fop_QQ(dc, rd, rs2, gen_helper_fabsq);
break;
#endif
default:
goto illegal_insn;
}
goto illegal_insn; /* in decodetree */
} else if (xop == 0x35) { /* FPU Operations */
#ifdef TARGET_SPARC64
int cond;