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| author | Richard Henderson <richard.henderson@linaro.org> | 2019-06-23 19:04:39 +0200 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2019-10-14 07:09:54 -0700 |
| commit | e2382972829f93104cece078e7ed4d6323189288 (patch) | |
| tree | 6ca0ca8b7528d3294debaf36c699306cbbf079eb /tcg | |
| parent | 6ef14d7ebe81062c5cc6f1e9bd97f7882078521a (diff) | |
| download | qemu-e2382972829f93104cece078e7ed4d6323189288.tar.gz | |
tcg/ppc: Add support for vector maximum/minimum
Add support for vector maximum/minimum using Altivec instructions
VMAXSB, VMAXSH, VMAXSW, VMAXUB, VMAXUH, VMAXUW, and
VMINSB, VMINSH, VMINSW, VMINUB, VMINUH, VMINUW.
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 | 40 |
2 files changed, 40 insertions, 2 deletions
diff --git a/tcg/ppc/tcg-target.h b/tcg/ppc/tcg-target.h index a0e59a50742..13699f1b639 100644 --- a/tcg/ppc/tcg-target.h +++ b/tcg/ppc/tcg-target.h @@ -164,7 +164,7 @@ extern bool have_altivec; #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_minmax_vec 0 +#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 1a8d7dc9250..6879be6f80f 100644 --- a/tcg/ppc/tcg-target.inc.c +++ b/tcg/ppc/tcg-target.inc.c @@ -471,6 +471,19 @@ static int tcg_target_const_match(tcg_target_long val, TCGType type, #define STVX XO31(231) #define STVEWX XO31(199) +#define VMAXSB VX4(258) +#define VMAXSH VX4(322) +#define VMAXSW VX4(386) +#define VMAXUB VX4(2) +#define VMAXUH VX4(66) +#define VMAXUW VX4(130) +#define VMINSB VX4(770) +#define VMINSH VX4(834) +#define VMINSW VX4(898) +#define VMINUB VX4(514) +#define VMINUH VX4(578) +#define VMINUW VX4(642) + #define VCMPEQUB VX4(6) #define VCMPEQUH VX4(70) #define VCMPEQUW VX4(134) @@ -2817,6 +2830,11 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece) case INDEX_op_andc_vec: case INDEX_op_not_vec: return 1; + case INDEX_op_smax_vec: + case INDEX_op_smin_vec: + case INDEX_op_umax_vec: + case INDEX_op_umin_vec: + return vece <= MO_32; case INDEX_op_cmp_vec: return vece <= MO_32 ? -1 : 0; default: @@ -2914,7 +2932,11 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, static const uint32_t eq_op[4] = { VCMPEQUB, VCMPEQUH, VCMPEQUW, 0 }, gts_op[4] = { VCMPGTSB, VCMPGTSH, VCMPGTSW, 0 }, - gtu_op[4] = { VCMPGTUB, VCMPGTUH, VCMPGTUW, 0 }; + gtu_op[4] = { VCMPGTUB, VCMPGTUH, VCMPGTUW, 0 }, + umin_op[4] = { VMINUB, VMINUH, VMINUW, 0 }, + smin_op[4] = { VMINSB, VMINSH, VMINSW, 0 }, + umax_op[4] = { VMAXUB, VMAXUH, VMAXUW, 0 }, + smax_op[4] = { VMAXSB, VMAXSH, VMAXSW, 0 }; TCGType type = vecl + TCG_TYPE_V64; TCGArg a0 = args[0], a1 = args[1], a2 = args[2]; @@ -2931,6 +2953,18 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc, tcg_out_dupm_vec(s, type, vece, a0, a1, a2); return; + case INDEX_op_smin_vec: + insn = smin_op[vece]; + break; + case INDEX_op_umin_vec: + insn = umin_op[vece]; + break; + case INDEX_op_smax_vec: + insn = smax_op[vece]; + break; + case INDEX_op_umax_vec: + insn = umax_op[vece]; + break; case INDEX_op_and_vec: insn = VAND; break; @@ -3223,6 +3257,10 @@ 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_smax_vec: + case INDEX_op_smin_vec: + case INDEX_op_umax_vec: + case INDEX_op_umin_vec: return &v_v_v; case INDEX_op_not_vec: case INDEX_op_dup_vec: |