diff options
| author | Richard Henderson | 2019-09-30 06:44:44 +0200 |
|---|---|---|
| committer | Richard Henderson | 2019-10-14 16:10:53 +0200 |
| commit | b7ce3cff21e1c944a17ddfc088545d8662a278a7 (patch) | |
| tree | fde19122dcc83c8d8c0d848f72ef2f40144ace22 /tcg/ppc | |
| parent | tcg/ppc: Update vector support for v3.00 load/store (diff) | |
| download | qemu-b7ce3cff21e1c944a17ddfc088545d8662a278a7.tar.gz qemu-b7ce3cff21e1c944a17ddfc088545d8662a278a7.tar.xz qemu-b7ce3cff21e1c944a17ddfc088545d8662a278a7.zip | |
tcg/ppc: Update vector support for v3.00 dup/dupi
These new instructions are conditional on MSR.VEC for TX=1,
so we can consider these Altivec instructions.
Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/ppc')
| -rw-r--r-- | tcg/ppc/tcg-target.inc.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c index 5b7d1bd2dc..d308d69aba 100644 --- a/tcg/ppc/tcg-target.inc.c +++ b/tcg/ppc/tcg-target.inc.c @@ -596,11 +596,14 @@ static int tcg_target_const_match(tcg_target_long val, TCGType type, #define XXPERMDI (OPCD(60) | (10 << 3) | 7) /* v2.06, force ax=bx=tx=1 */ #define XXSEL (OPCD(60) | (3 << 4) | 0xf) /* v2.06, force ax=bx=cx=tx=1 */ +#define XXSPLTIB (OPCD(60) | (360 << 1) | 1) /* v3.00, force tx=1 */ #define MFVSRD (XO31(51) | 1) /* v2.07, force sx=1 */ #define MFVSRWZ (XO31(115) | 1) /* v2.07, force sx=1 */ #define MTVSRD (XO31(179) | 1) /* v2.07, force tx=1 */ #define MTVSRWZ (XO31(243) | 1) /* v2.07, force tx=1 */ +#define MTVSRDD (XO31(435) | 1) /* v3.00, force tx=1 */ +#define MTVSRWS (XO31(403) | 1) /* v3.00, force tx=1 */ #define RT(r) ((r)<<21) #define RS(r) ((r)<<21) @@ -931,6 +934,10 @@ static void tcg_out_dupi_vec(TCGContext *s, TCGType type, TCGReg ret, return; } } + if (have_isa_3_00 && val == (tcg_target_long)dup_const(MO_8, val)) { + tcg_out32(s, XXSPLTIB | VRT(ret) | ((val & 0xff) << 11)); + return; + } /* * Otherwise we must load the value from the constant pool. @@ -3021,7 +3028,22 @@ static bool tcg_out_dup_vec(TCGContext *s, TCGType type, unsigned vece, TCGReg dst, TCGReg src) { tcg_debug_assert(dst >= TCG_REG_V0); - tcg_debug_assert(src >= TCG_REG_V0); + + /* Splat from integer reg allowed via constraints for v3.00. */ + if (src < TCG_REG_V0) { + tcg_debug_assert(have_isa_3_00); + switch (vece) { + case MO_64: + tcg_out32(s, MTVSRDD | VRT(dst) | RA(src) | RB(src)); + return true; + case MO_32: + tcg_out32(s, MTVSRWS | VRT(dst) | RA(src)); + return true; + default: + /* Fail, so that we fall back on either dupm or mov+dup. */ + return false; + } + } /* * Recall we use (or emulate) VSX integer loads, so the integer is @@ -3482,6 +3504,7 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op) static const TCGTargetOpDef sub2 = { .args_ct_str = { "r", "r", "rI", "rZM", "r", "r" } }; static const TCGTargetOpDef v_r = { .args_ct_str = { "v", "r" } }; + static const TCGTargetOpDef v_vr = { .args_ct_str = { "v", "vr" } }; static const TCGTargetOpDef v_v = { .args_ct_str = { "v", "v" } }; static const TCGTargetOpDef v_v_v = { .args_ct_str = { "v", "v", "v" } }; static const TCGTargetOpDef v_v_v_v @@ -3651,8 +3674,9 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op) return &v_v_v; case INDEX_op_not_vec: case INDEX_op_neg_vec: - case INDEX_op_dup_vec: return &v_v; + case INDEX_op_dup_vec: + return have_isa_3_00 ? &v_vr : &v_v; case INDEX_op_ld_vec: case INDEX_op_st_vec: case INDEX_op_dupm_vec: |