diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2019-06-23 19:04:41 +0200 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2019-10-14 07:10:02 -0700 |
| commit | e9d1a53ae6d3a276f0d50090f80d923b9ee74631 (patch) | |
| tree | 52570d967f95a15c42a57fdf046c88622ac7ec43 /tcg | |
| parent | d67508117db474971dfd3fe29714ec4d15cf2393 (diff) | |
tcg/ppc: Add support for vector saturated add/subtract
Add support for vector saturated add/subtract using Altivec
instructions:
VADDSBS, VADDSHS, VADDSWS, VADDUBS, VADDUHS, VADDUWS, and
VSUBSBS, VSUBSHS, VSUBSWS, VSUBUBS, VSUBUHS, VSUBUWS.
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>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Diffstat (limited to 'tcg')
| -rw-r--r-- | tcg/ppc/tcg-target.h | 2 | ||||
| -rw-r--r-- | tcg/ppc/tcg-target.inc.c | 36 |
2 files changed, 37 insertions, 1 deletions
diff --git a/tcg/ppc/tcg-target.h b/tcg/ppc/tcg-target.h index 13699f1b63..3ebbbfa77e 100644 --- a/tcg/ppc/tcg-target.h +++ b/tcg/ppc/tcg-target.h @@ -163,7 +163,7 @@ extern bool have_altivec; #define TCG_TARGET_HAS_shv_vec 0 #define TCG_TARGET_HAS_cmp_vec 1 #define TCG_TARGET_HAS_mul_vec 0 -#define TCG_TARGET_HAS_sat_vec 0 +#define TCG_TARGET_HAS_sat_vec 1 #define TCG_TARGET_HAS_minmax_vec 1 #define TCG_TARGET_HAS_bitsel_vec 0 #define TCG_TARGET_HAS_cmpsel_vec 0 diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c index 6cfc78bb59..a1165209fc 100644 --- a/tcg/ppc/tcg-target.inc.c +++ b/tcg/ppc/tcg-target.inc.c @@ -471,12 +471,24 @@ static int tcg_target_const_match(tcg_target_long val, TCGType type, #define STVX XO31(231) #define STVEWX XO31(199) +#define VADDSBS VX4(768) +#define VADDUBS VX4(512) #define VADDUBM VX4(0) +#define VADDSHS VX4(832) +#define VADDUHS VX4(576) #define VADDUHM VX4(64) +#define VADDSWS VX4(896) +#define VADDUWS VX4(640) #define VADDUWM VX4(128) +#define VSUBSBS VX4(1792) +#define VSUBUBS VX4(1536) #define VSUBUBM VX4(1024) +#define VSUBSHS VX4(1856) +#define VSUBUHS VX4(1600) #define VSUBUHM VX4(1088) +#define VSUBSWS VX4(1920) +#define VSUBUWS VX4(1664) #define VSUBUWM VX4(1152) #define VMAXSB VX4(258) @@ -2844,6 +2856,10 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece) case INDEX_op_smin_vec: case INDEX_op_umax_vec: case INDEX_op_umin_vec: + case INDEX_op_ssadd_vec: + case INDEX_op_sssub_vec: + case INDEX_op_usadd_vec: + case INDEX_op_ussub_vec: return vece <= MO_32; case INDEX_op_cmp_vec: return vece <= MO_32 ? -1 : 0; @@ -2945,6 +2961,10 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, eq_op[4] = { VCMPEQUB, VCMPEQUH, VCMPEQUW, 0 }, gts_op[4] = { VCMPGTSB, VCMPGTSH, VCMPGTSW, 0 }, gtu_op[4] = { VCMPGTUB, VCMPGTUH, VCMPGTUW, 0 }, + ssadd_op[4] = { VADDSBS, VADDSHS, VADDSWS, 0 }, + usadd_op[4] = { VADDUBS, VADDUHS, VADDUWS, 0 }, + sssub_op[4] = { VSUBSBS, VSUBSHS, VSUBSWS, 0 }, + ussub_op[4] = { VSUBUBS, VSUBUHS, VSUBUWS, 0 }, umin_op[4] = { VMINUB, VMINUH, VMINUW, 0 }, smin_op[4] = { VMINSB, VMINSH, VMINSW, 0 }, umax_op[4] = { VMAXUB, VMAXUH, VMAXUW, 0 }, @@ -2971,6 +2991,18 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, case INDEX_op_sub_vec: insn = sub_op[vece]; break; + case INDEX_op_ssadd_vec: + insn = ssadd_op[vece]; + break; + case INDEX_op_sssub_vec: + insn = sssub_op[vece]; + break; + case INDEX_op_usadd_vec: + insn = usadd_op[vece]; + break; + case INDEX_op_ussub_vec: + insn = ussub_op[vece]; + break; case INDEX_op_smin_vec: insn = smin_op[vece]; break; @@ -3277,6 +3309,10 @@ static const TCGTargetOpDef *tcg_target_op_def(TCGOpcode op) case INDEX_op_andc_vec: case INDEX_op_orc_vec: case INDEX_op_cmp_vec: + case INDEX_op_ssadd_vec: + case INDEX_op_sssub_vec: + case INDEX_op_usadd_vec: + case INDEX_op_ussub_vec: case INDEX_op_smax_vec: case INDEX_op_smin_vec: case INDEX_op_umax_vec: |