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[RFC PATCH v2 14/22] target/mips/tx79: Introduce PCGT* (Parallel Compare
From: |
Philippe Mathieu-Daudé |
Subject: |
[RFC PATCH v2 14/22] target/mips/tx79: Introduce PCGT* (Parallel Compare for Greater Than) |
Date: |
Tue, 9 Mar 2021 15:56:45 +0100 |
Introduce the 'Parallel Compare for Greater Than' opcodes:
- PCGTB (Parallel Compare for Greater Than Byte)
- PCGTH (Parallel Compare for Greater Than Halfword)
- PCGTW (Parallel Compare for Greater Than Word)
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210214175912.732946-21-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
target/mips/tx79.decode | 3 +++
target/mips/tx79_translate.c | 18 ++++++++++++++++++
2 files changed, 21 insertions(+)
diff --git a/target/mips/tx79.decode b/target/mips/tx79.decode
index cfe721755ca..63fbe9694bb 100644
--- a/target/mips/tx79.decode
+++ b/target/mips/tx79.decode
@@ -32,8 +32,11 @@ MTLO1 011100 ..... 0000000000 00000 010011 @rs
# MMI0
PSUBW 011100 ..... ..... ..... 00001 001000 @rs_rt_rd
+PCGTW 011100 ..... ..... ..... 00010 001000 @rs_rt_rd
PSUBH 011100 ..... ..... ..... 00101 001000 @rs_rt_rd
+PCGTH 011100 ..... ..... ..... 00110 001000 @rs_rt_rd
PSUBB 011100 ..... ..... ..... 01001 001000 @rs_rt_rd
+PCGTB 011100 ..... ..... ..... 01010 001000 @rs_rt_rd
PEXTLW 011100 ..... ..... ..... 10010 001000 @rs_rt_rd
PEXTLH 011100 ..... ..... ..... 10110 001000 @rs_rt_rd
PEXTLB 011100 ..... ..... ..... 11010 001000 @rs_rt_rd
diff --git a/target/mips/tx79_translate.c b/target/mips/tx79_translate.c
index 8dd510c2719..f0e3d8c0b66 100644
--- a/target/mips/tx79_translate.c
+++ b/target/mips/tx79_translate.c
@@ -285,18 +285,36 @@ static bool trans_parallel_compare(DisasContext *ctx,
arg_rtype *a,
return true;
}
+/* Parallel Compare for Greater Than Byte */
+static bool trans_PCGTB(DisasContext *ctx, arg_rtype *a)
+{
+ return trans_parallel_compare(ctx, a, TCG_COND_GE, 8);
+}
+
/* Parallel Compare for Equal Byte */
static bool trans_PCEQB(DisasContext *ctx, arg_rtype *a)
{
return trans_parallel_compare(ctx, a, TCG_COND_EQ, 8);
}
+/* Parallel Compare for Greater Than Halfword */
+static bool trans_PCGTH(DisasContext *ctx, arg_rtype *a)
+{
+ return trans_parallel_compare(ctx, a, TCG_COND_GE, 16);
+}
+
/* Parallel Compare for Equal Halfword */
static bool trans_PCEQH(DisasContext *ctx, arg_rtype *a)
{
return trans_parallel_compare(ctx, a, TCG_COND_EQ, 16);
}
+/* Parallel Compare for Greater Than Word */
+static bool trans_PCGTW(DisasContext *ctx, arg_rtype *a)
+{
+ return trans_parallel_compare(ctx, a, TCG_COND_GE, 32);
+}
+
/* Parallel Compare for Equal Word */
static bool trans_PCEQW(DisasContext *ctx, arg_rtype *a)
{
--
2.26.2
- [RFC PATCH v2 08/22] target/mips/tx79: Salvage instructions description comment, (continued)
- [RFC PATCH v2 08/22] target/mips/tx79: Salvage instructions description comment, Philippe Mathieu-Daudé, 2021/03/09
- [RFC PATCH v2 09/22] target/mips/tx79: Introduce PAND/POR/PXOR/PNOR opcodes (parallel logic), Philippe Mathieu-Daudé, 2021/03/09
- [RFC PATCH v2 10/22] target/mips/tx79: Introduce PSUB* opcodes (Parallel Subtract), Philippe Mathieu-Daudé, 2021/03/09
- [RFC PATCH v2 11/22] target/mips/tx79: Introduce PEXTUW (Parallel Extend Upper from Word), Philippe Mathieu-Daudé, 2021/03/09
- [RFC PATCH v2 12/22] target/mips/tx79: Introduce PEXTL[BHW] opcodes (Parallel Extend Lower), Philippe Mathieu-Daudé, 2021/03/09
- [RFC PATCH v2 13/22] target/mips/tx79: Introduce PCEQ* opcodes (Parallel Compare for Equal), Philippe Mathieu-Daudé, 2021/03/09
- [RFC PATCH v2 14/22] target/mips/tx79: Introduce PCGT* (Parallel Compare for Greater Than),
Philippe Mathieu-Daudé <=
- [RFC PATCH v2 15/22] target/mips/tx79: Introduce PPACW opcode (Parallel Pack to Word), Philippe Mathieu-Daudé, 2021/03/09
- [RFC PATCH v2 16/22] target/mips/tx79: Introduce PINTEH (Parallel Interleave Even Halfword), Philippe Mathieu-Daudé, 2021/03/09
- [RFC PATCH v2 17/22] target/mips/tx79: Introduce PEXE[HW] opcodes (Parallel Exchange Even), Philippe Mathieu-Daudé, 2021/03/09
- [RFC PATCH v2 18/22] target/mips/tx79: Introduce PROT3W opcode (Parallel Rotate 3 Words), Philippe Mathieu-Daudé, 2021/03/09
- [RFC PATCH v2 19/22] target/mips/tx79: Introduce LQ opcode (Load Quadword), Philippe Mathieu-Daudé, 2021/03/09
- [RFC PATCH v2 20/22] target/mips/tx79: Introduce SQ opcode (Store Quadword), Philippe Mathieu-Daudé, 2021/03/09
- [RFC PATCH v2 21/22] target/mips/tx79: Move RDHWR usermode kludge to trans_SQ(), Philippe Mathieu-Daudé, 2021/03/09