diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2023-11-04 19:40:36 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-06-05 09:08:39 -0700 |
| commit | 68a414e99d438ff5e3e598d140c8f81638a8ea9e (patch) | |
| tree | f7552584af3ae4000dd94185be0488e943a1cae5 /target/sparc | |
| parent | deadbb14ba7a9cbdabbd102f7bf470c0baf9f25a (diff) | |
target/sparc: Implement IMA extension
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/sparc')
| -rw-r--r-- | target/sparc/cpu-feature.h.inc | 1 | ||||
| -rw-r--r-- | target/sparc/cpu.c | 3 | ||||
| -rw-r--r-- | target/sparc/insns.decode | 3 | ||||
| -rw-r--r-- | target/sparc/translate.c | 24 |
4 files changed, 31 insertions, 0 deletions
diff --git a/target/sparc/cpu-feature.h.inc b/target/sparc/cpu-feature.h.inc index 3913fb4a54..e2e6de9144 100644 --- a/target/sparc/cpu-feature.h.inc +++ b/target/sparc/cpu-feature.h.inc @@ -14,3 +14,4 @@ FEATURE(POWERDOWN) FEATURE(CASA) FEATURE(FMAF) FEATURE(VIS3) +FEATURE(IMA) diff --git a/target/sparc/cpu.c b/target/sparc/cpu.c index 8ea977b49f..88da5254e8 100644 --- a/target/sparc/cpu.c +++ b/target/sparc/cpu.c @@ -551,6 +551,7 @@ static const char * const feature_name[] = { [CPU_FEATURE_BIT_VIS2] = "vis2", [CPU_FEATURE_BIT_FMAF] = "fmaf", [CPU_FEATURE_BIT_VIS3] = "vis3", + [CPU_FEATURE_BIT_IMA] = "ima", #else [CPU_FEATURE_BIT_MUL] = "mul", [CPU_FEATURE_BIT_DIV] = "div", @@ -883,6 +884,8 @@ static Property sparc_cpu_properties[] = { CPU_FEATURE_BIT_FMAF, false), DEFINE_PROP_BIT("vis3", SPARCCPU, env.def.features, CPU_FEATURE_BIT_VIS3, false), + DEFINE_PROP_BIT("ima", SPARCCPU, env.def.features, + CPU_FEATURE_BIT_IMA, false), #else DEFINE_PROP_BIT("mul", SPARCCPU, env.def.features, CPU_FEATURE_BIT_MUL, false), diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode index 1d54de5367..5d85e124ed 100644 --- a/target/sparc/insns.decode +++ b/target/sparc/insns.decode @@ -525,6 +525,9 @@ FCMPEq 10 000 cc:2 110101 ..... 0 0101 0111 ..... \ FNMSUBd 10 ..... 110111 ..... ..... 1010 ..... @d_d_d_d FNMADDs 10 ..... 110111 ..... ..... 1101 ..... @r_r_r_r FNMADDd 10 ..... 110111 ..... ..... 1110 ..... @d_d_d_d + + FPMADDX 10 ..... 110111 ..... ..... 0000 ..... @d_d_d_d + FPMADDXHI 10 ..... 110111 ..... ..... 0100 ..... @d_d_d_d ] NCP 10 ----- 110111 ----- --------- ----- # v8 CPop2 } diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 971e7dae80..640406570d 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -589,6 +589,26 @@ static void gen_op_umulxhi(TCGv dst, TCGv src1, TCGv src2) tcg_gen_mulu2_tl(discard, dst, src1, src2); } +static void gen_op_fpmaddx(TCGv_i64 dst, TCGv_i64 src1, + TCGv_i64 src2, TCGv_i64 src3) +{ + TCGv_i64 t = tcg_temp_new_i64(); + + tcg_gen_mul_i64(t, src1, src2); + tcg_gen_add_i64(dst, src3, t); +} + +static void gen_op_fpmaddxhi(TCGv_i64 dst, TCGv_i64 src1, + TCGv_i64 src2, TCGv_i64 src3) +{ + TCGv_i64 l = tcg_temp_new_i64(); + TCGv_i64 h = tcg_temp_new_i64(); + TCGv_i64 z = tcg_constant_i64(0); + + tcg_gen_mulu2_i64(l, h, src1, src2); + tcg_gen_add2_i64(l, dst, l, h, src3, z); +} + static void gen_op_sdiv(TCGv dst, TCGv src1, TCGv src2) { #ifdef TARGET_SPARC64 @@ -2405,6 +2425,7 @@ static int extract_qfpreg(DisasContext *dc, int x) # define avail_FMAF(C) ((C)->def->features & CPU_FEATURE_FMAF) # define avail_GL(C) ((C)->def->features & CPU_FEATURE_GL) # define avail_HYPV(C) ((C)->def->features & CPU_FEATURE_HYPV) +# define avail_IMA(C) ((C)->def->features & CPU_FEATURE_IMA) # define avail_VIS1(C) ((C)->def->features & CPU_FEATURE_VIS1) # define avail_VIS2(C) ((C)->def->features & CPU_FEATURE_VIS2) # define avail_VIS3(C) ((C)->def->features & CPU_FEATURE_VIS3) @@ -2420,6 +2441,7 @@ static int extract_qfpreg(DisasContext *dc, int x) # define avail_FMAF(C) false # define avail_GL(C) false # define avail_HYPV(C) false +# define avail_IMA(C) false # define avail_VIS1(C) false # define avail_VIS2(C) false # define avail_VIS3(C) false @@ -5202,6 +5224,8 @@ TRANS(FMADDd, FMAF, do_dddd, a, gen_op_fmaddd) TRANS(FMSUBd, FMAF, do_dddd, a, gen_op_fmsubd) TRANS(FNMSUBd, FMAF, do_dddd, a, gen_op_fnmsubd) TRANS(FNMADDd, FMAF, do_dddd, a, gen_op_fnmaddd) +TRANS(FPMADDX, IMA, do_dddd, a, gen_op_fpmaddx) +TRANS(FPMADDXHI, IMA, do_dddd, a, gen_op_fpmaddxhi) static bool do_env_qqq(DisasContext *dc, arg_r_r_r *a, void (*func)(TCGv_i128, TCGv_env, TCGv_i128, TCGv_i128)) |