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[Qemu-devel] [PATCH 4/9] target/mips: Support the R5900 PCPYUD multimedi
From: |
Fredrik Noring |
Subject: |
[Qemu-devel] [PATCH 4/9] target/mips: Support the R5900 PCPYUD multimedia instruction |
Date: |
Sun, 13 Jan 2019 20:04:47 +0100 |
User-agent: |
Mutt/1.10.1 (2018-07-13) |
Signed-off-by: Fredrik Noring <address@hidden>
---
target/mips/translate.c | 24 +++++++++++++++++++++++-
1 file changed, 23 insertions(+), 1 deletion(-)
diff --git a/target/mips/translate.c b/target/mips/translate.c
index 40faf9cb36..8c350729bc 100644
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -27351,11 +27351,34 @@ static void decode_mmi2(CPUMIPSState *env,
DisasContext *ctx)
}
}
+static void gen_mmi_pcpyud(DisasContext *ctx, int rd, int rs, int rt)
+{
+ if (rd != 0) {
+ if (rs != 0) {
+ tcg_gen_mov_i64(cpu_gpr[rd], cpu_mmr[rs]);
+ } else {
+ tcg_gen_movi_i64(cpu_gpr[rd], 0);
+ }
+
+ if (rt != 0) {
+ tcg_gen_mov_i64(cpu_mmr[rd], cpu_mmr[rt]);
+ } else {
+ tcg_gen_movi_i64(cpu_mmr[rd], 0);
+ }
+ }
+}
+
static void decode_mmi3(CPUMIPSState *env, DisasContext *ctx)
{
uint32_t opc = MASK_MMI3(ctx->opcode);
+ int rs = extract32(ctx->opcode, 21, 5);
+ int rt = extract32(ctx->opcode, 16, 5);
+ int rd = extract32(ctx->opcode, 11, 5);
switch (opc) {
+ case MMI_OPC_3_PCPYUD:
+ gen_mmi_pcpyud(ctx, rd, rs, rt);
+ break;
case MMI_OPC_3_PMADDUW: /* TODO: MMI_OPC_3_PMADDUW */
case MMI_OPC_3_PSRAVW: /* TODO: MMI_OPC_3_PSRAVW */
case MMI_OPC_3_PMTHI: /* TODO: MMI_OPC_3_PMTHI */
@@ -27363,7 +27386,6 @@ static void decode_mmi3(CPUMIPSState *env, DisasContext
*ctx)
case MMI_OPC_3_PINTEH: /* TODO: MMI_OPC_3_PINTEH */
case MMI_OPC_3_PMULTUW: /* TODO: MMI_OPC_3_PMULTUW */
case MMI_OPC_3_PDIVUW: /* TODO: MMI_OPC_3_PDIVUW */
- case MMI_OPC_3_PCPYUD: /* TODO: MMI_OPC_3_PCPYUD */
case MMI_OPC_3_POR: /* TODO: MMI_OPC_3_POR */
case MMI_OPC_3_PNOR: /* TODO: MMI_OPC_3_PNOR */
case MMI_OPC_3_PEXCH: /* TODO: MMI_OPC_3_PEXCH */
--
2.19.2
- [Qemu-devel] [PATCH 0/9] target/mips: Limited support for R5900 multimedia instructions, Fredrik Noring, 2019/01/13
- [Qemu-devel] [PATCH 1/9] target/mips: Require TARGET_MIPS64 for R5900 multimedia instructions, Fredrik Noring, 2019/01/13
- [Qemu-devel] [PATCH 2/9] target/mips: Introduce 32 R5900 128-bit multimedia registers, Fredrik Noring, 2019/01/13
- [Qemu-devel] [PATCH 3/9] target/mips: Support the R5900 PCPYLD multimedia instruction, Fredrik Noring, 2019/01/13
- [Qemu-devel] [PATCH 4/9] target/mips: Support the R5900 PCPYUD multimedia instruction,
Fredrik Noring <=
- [Qemu-devel] [PATCH 5/9] target/mips: Support the R5900 LQ multimedia instruction, Fredrik Noring, 2019/01/13
- [Qemu-devel] [PATCH 6/9] target/mips: Support the R5900 SQ multimedia instruction, Fredrik Noring, 2019/01/13
- [Qemu-devel] [PATCH 7/9] tests/tcg/mips: Test R5900 multimedia instructions PCPYUD and PCPYLD, Fredrik Noring, 2019/01/13
- [Qemu-devel] [PATCH 8/9] tests/tcg/mips: Test R5900 multimedia instruction LQ, Fredrik Noring, 2019/01/13
- [Qemu-devel] [PATCH 9/9] tests/tcg/mips: Test R5900 multimedia instruction SQ, Fredrik Noring, 2019/01/13