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authorPhilippe Mathieu-Daudé2021-02-13 14:40:18 +0100
committerPhilippe Mathieu-Daudé2021-07-11 22:29:54 +0200
commit709324dc05a17755d43c315e43a8ec9da04fc37b (patch)
tree1df3e7cd6212abbad05dc8cfe60966deae922972 /target/mips/tcg/tx79_translate.c
parenttarget/mips/tx79: Introduce PAND/POR/PXOR/PNOR opcodes (parallel logic) (diff)
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target/mips/tx79: Introduce PSUB* opcodes (Parallel Subtract)
Introduce the 'Parallel Subtract' opcodes: - PSUBB (Parallel Subtract Byte) - PSUBH (Parallel Subtract Halfword) - PSUBW (Parallel Subtract Word) Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <820210309145653.743937-11-f4bug@amsat.org>
Diffstat (limited to 'target/mips/tcg/tx79_translate.c')
-rw-r--r--target/mips/tcg/tx79_translate.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/target/mips/tcg/tx79_translate.c b/target/mips/tcg/tx79_translate.c
index 00364f10d4..3abd1d92e7 100644
--- a/target/mips/tcg/tx79_translate.c
+++ b/target/mips/tcg/tx79_translate.c
@@ -9,6 +9,7 @@
#include "qemu/osdep.h"
#include "tcg/tcg-op.h"
+#include "tcg/tcg-op-gvec.h"
#include "exec/helper-gen.h"
#include "translate.h"
@@ -144,6 +145,24 @@ static bool trans_parallel_arith(DisasContext *ctx, arg_rtype *a,
return true;
}
+/* Parallel Subtract Byte */
+static bool trans_PSUBB(DisasContext *ctx, arg_rtype *a)
+{
+ return trans_parallel_arith(ctx, a, tcg_gen_vec_sub8_i64);
+}
+
+/* Parallel Subtract Halfword */
+static bool trans_PSUBH(DisasContext *ctx, arg_rtype *a)
+{
+ return trans_parallel_arith(ctx, a, tcg_gen_vec_sub16_i64);
+}
+
+/* Parallel Subtract Word */
+static bool trans_PSUBW(DisasContext *ctx, arg_rtype *a)
+{
+ return trans_parallel_arith(ctx, a, tcg_gen_vec_sub32_i64);
+}
+
/*
* Min/Max (4 instructions)
* ------------------------