[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [RFC PATCH v3 20/46] target/i386: introduce tcg_temp operan
From: |
Jan Bobek |
Subject: |
[Qemu-devel] [RFC PATCH v3 20/46] target/i386: introduce tcg_temp operands |
Date: |
Wed, 14 Aug 2019 22:09:02 -0400 |
TCG temporary operands allocate a 32-bit or 64-bit TCG temporary, and
later automatically free it.
Signed-off-by: Jan Bobek <address@hidden>
---
target/i386/translate.c | 44 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 44 insertions(+)
diff --git a/target/i386/translate.c b/target/i386/translate.c
index 99f46be34e..7fc5149d29 100644
--- a/target/i386/translate.c
+++ b/target/i386/translate.c
@@ -4696,6 +4696,50 @@ static int ck_cpuid(CPUX86State *env, DisasContext *s,
CkCpuidFeat feat)
insnop_finalize(opTarg)(&ctxt->arg, env, s, modrm, is_write, arg); \
}
+/*
+ * tcg_temp_i32
+ *
+ * Operand which allocates a 32-bit TCG temporary and frees it
+ * automatically after use.
+ */
+typedef TCGv_i32 insnop_arg_t(tcg_temp_i32);
+typedef struct {} insnop_ctxt_t(tcg_temp_i32);
+
+INSNOP_INIT(tcg_temp_i32)
+{
+ return 0;
+}
+INSNOP_PREPARE(tcg_temp_i32)
+{
+ return tcg_temp_new_i32();
+}
+INSNOP_FINALIZE(tcg_temp_i32)
+{
+ tcg_temp_free_i32(arg);
+}
+
+/*
+ * tcg_temp_i64
+ *
+ * Operand which allocates a 64-bit TCG temporary and frees it
+ * automatically after use.
+ */
+typedef TCGv_i64 insnop_arg_t(tcg_temp_i64);
+typedef struct {} insnop_ctxt_t(tcg_temp_i64);
+
+INSNOP_INIT(tcg_temp_i64)
+{
+ return 0;
+}
+INSNOP_PREPARE(tcg_temp_i64)
+{
+ return tcg_temp_new_i64();
+}
+INSNOP_FINALIZE(tcg_temp_i64)
+{
+ tcg_temp_free_i64(arg);
+}
+
static void gen_sse_ng(CPUX86State *env, DisasContext *s, int b)
{
enum {
--
2.20.1
- [Qemu-devel] [RFC PATCH v3 15/46] target/i386: introduce function ck_cpuid, (continued)
- [Qemu-devel] [RFC PATCH v3 15/46] target/i386: introduce function ck_cpuid, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 06/46] target/i386: Simplify gen_exception arguments, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 07/46] target/i386: use pc_start from DisasContext, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 12/46] target/i386: introduce gen_sse_ng, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 13/46] target/i386: disable unused function warning temporarily, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 17/46] target/i386: introduce generic operand alias, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 16/46] target/i386: introduce instruction operand infrastructure, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 21/46] target/i386: introduce modrm operand, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 18/46] target/i386: introduce generic either-or operand, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 19/46] target/i386: introduce generic load-store operand, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 20/46] target/i386: introduce tcg_temp operands,
Jan Bobek <=
- [Qemu-devel] [RFC PATCH v3 22/46] target/i386: introduce operands for decoding modrm fields, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 23/46] target/i386: introduce operand for direct-only r/m field, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 25/46] target/i386: introduce Ib (immediate) operand, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 29/46] target/i386: introduce H*, V*, U*, W* (SSE/AVX) operands, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 28/46] target/i386: introduce P*, N*, Q* (MMX) operands, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 27/46] target/i386: introduce G*, R*, E* (general register) operands, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 30/46] target/i386: introduce code generators, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 33/46] target/i386: introduce sse-opcode.inc.h, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 32/46] target/i386: introduce gvec-based code generator macros, Jan Bobek, 2019/08/14
- [Qemu-devel] [RFC PATCH v3 34/46] target/i386: introduce instruction translator macros, Jan Bobek, 2019/08/14