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authorRichard Henderson <richard.henderson@linaro.org>2020-09-05 12:37:36 -0700
committerRichard Henderson <richard.henderson@linaro.org>2021-06-04 11:50:11 -0700
commit4fcd301707ccc656f27e3dc324cdbe20122a9740 (patch)
tree9085f92d291f88c057bbd552ce937d5b03e09bcc /tcg
parent752b17693e7af43ba77cee59eb9a1ec6966b3ded (diff)
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tcg/arm: Implement TCG_TARGET_HAS_sat_vec
This is saturating add and subtract, signed and unsigned. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
-rw-r--r--tcg/arm/tcg-target.c.inc24
-rw-r--r--tcg/arm/tcg-target.h2
2 files changed, 25 insertions, 1 deletions
diff --git a/tcg/arm/tcg-target.c.inc b/tcg/arm/tcg-target.c.inc
index b94e6ed..f0cfed7 100644
--- a/tcg/arm/tcg-target.c.inc
+++ b/tcg/arm/tcg-target.c.inc
@@ -184,6 +184,10 @@ typedef enum {
INSN_VORR = 0xf2200110,
INSN_VSUB = 0xf3000800,
INSN_VMUL = 0xf2000910,
+ INSN_VQADD = 0xf2000010,
+ INSN_VQADD_U = 0xf3000010,
+ INSN_VQSUB = 0xf2000210,
+ INSN_VQSUB_U = 0xf3000210,
INSN_VABS = 0xf3b10300,
INSN_VMVN = 0xf3b00580,
@@ -2396,7 +2400,11 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode op)
case INDEX_op_dup2_vec:
case INDEX_op_add_vec:
case INDEX_op_mul_vec:
+ case INDEX_op_ssadd_vec:
+ case INDEX_op_sssub_vec:
case INDEX_op_sub_vec:
+ case INDEX_op_usadd_vec:
+ case INDEX_op_ussub_vec:
case INDEX_op_xor_vec:
return C_O1_I2(w, w, w);
case INDEX_op_or_vec:
@@ -2763,6 +2771,18 @@ static void tcg_out_vec_op(TCGContext *s, TCGOpcode opc,
case INDEX_op_sub_vec:
tcg_out_vreg3(s, INSN_VSUB, q, vece, a0, a1, a2);
return;
+ case INDEX_op_ssadd_vec:
+ tcg_out_vreg3(s, INSN_VQADD, q, vece, a0, a1, a2);
+ return;
+ case INDEX_op_sssub_vec:
+ tcg_out_vreg3(s, INSN_VQSUB, q, vece, a0, a1, a2);
+ return;
+ case INDEX_op_usadd_vec:
+ tcg_out_vreg3(s, INSN_VQADD_U, q, vece, a0, a1, a2);
+ return;
+ case INDEX_op_ussub_vec:
+ tcg_out_vreg3(s, INSN_VQSUB_U, q, vece, a0, a1, a2);
+ return;
case INDEX_op_xor_vec:
tcg_out_vreg3(s, INSN_VEOR, q, 0, a0, a1, a2);
return;
@@ -2873,6 +2893,10 @@ int tcg_can_emit_vec_op(TCGOpcode opc, TCGType type, unsigned vece)
case INDEX_op_shli_vec:
case INDEX_op_shri_vec:
case INDEX_op_sari_vec:
+ case INDEX_op_ssadd_vec:
+ case INDEX_op_sssub_vec:
+ case INDEX_op_usadd_vec:
+ case INDEX_op_ussub_vec:
return 1;
case INDEX_op_abs_vec:
case INDEX_op_cmp_vec:
diff --git a/tcg/arm/tcg-target.h b/tcg/arm/tcg-target.h
index 94d768f..71621f2 100644
--- a/tcg/arm/tcg-target.h
+++ b/tcg/arm/tcg-target.h
@@ -167,7 +167,7 @@ extern bool use_neon_instructions;
#define TCG_TARGET_HAS_shs_vec 0
#define TCG_TARGET_HAS_shv_vec 0
#define TCG_TARGET_HAS_mul_vec 1
-#define TCG_TARGET_HAS_sat_vec 0
+#define TCG_TARGET_HAS_sat_vec 1
#define TCG_TARGET_HAS_minmax_vec 0
#define TCG_TARGET_HAS_bitsel_vec 0
#define TCG_TARGET_HAS_cmpsel_vec 0