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authorAndrew Waterman <andrew@sifive.com>2022-12-20 23:24:06 -0800
committerGitHub <noreply@github.com>2022-12-20 23:24:06 -0800
commitedcf2d59b7019798f5c2ab303734883936c0b947 (patch)
treef6ab2fdd8b06d62c8403ff5ccb863b4e59031e87
parent3cb3d10f058a9ceec6ec93f2aba4c49e2eaa58c1 (diff)
parent9152a02ac10131ad6880f7d724b354fa64fc8ce4 (diff)
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Merge pull request #1190 from riscv-software-src/reduce-compile-time
Reduce compile time increase introduced by #1189
-rw-r--r--riscv/decode_macros.h28
-rw-r--r--riscv/insn_template.cc61
-rw-r--r--riscv/insn_template_fast.h4
-rw-r--r--riscv/insn_template_logged.h4
-rw-r--r--riscv/riscv.mk.in17
-rw-r--r--riscv/rocc.cc2
6 files changed, 72 insertions, 44 deletions
diff --git a/riscv/decode_macros.h b/riscv/decode_macros.h
index b2f217b..88a05a9 100644
--- a/riscv/decode_macros.h
+++ b/riscv/decode_macros.h
@@ -23,30 +23,24 @@
#define RS3 READ_REG(insn.rs3())
#define WRITE_RD(value) WRITE_REG(insn.rd(), value)
-#if defined(DECODE_MACRO_USAGE_FAST)
-# define WRITE_REG(reg, value) ({ CHECK_REG(reg); STATE.XPR.write(reg, value); })
-# define WRITE_FREG(reg, value) DO_WRITE_FREG(reg, freg(value))
-# define WRITE_VSTATUS {}
-#elif defined(DECODE_MACRO_USAGE_LOGGED)
- /* 0 : int
- * 1 : floating
- * 2 : vector reg
- * 3 : vector hint
- * 4 : csr
- */
-# define WRITE_REG(reg, value) ({ \
+/* 0 : int
+ * 1 : floating
+ * 2 : vector reg
+ * 3 : vector hint
+ * 4 : csr
+ */
+#define WRITE_REG(reg, value) ({ \
reg_t wdata = (value); /* value may have side effects */ \
- STATE.log_reg_write[(reg) << 4] = {wdata, 0}; \
+ if (DECODE_MACRO_USAGE_LOGGED) STATE.log_reg_write[(reg) << 4] = {wdata, 0}; \
CHECK_REG(reg); \
STATE.XPR.write(reg, wdata); \
})
-# define WRITE_FREG(reg, value) ({ \
+#define WRITE_FREG(reg, value) ({ \
freg_t wdata = freg(value); /* value may have side effects */ \
- STATE.log_reg_write[((reg) << 4) | 1] = wdata; \
+ if (DECODE_MACRO_USAGE_LOGGED) STATE.log_reg_write[((reg) << 4) | 1] = wdata; \
DO_WRITE_FREG(reg, wdata); \
})
-# define WRITE_VSTATUS STATE.log_reg_write[3] = {0, 0};
-#endif
+#define WRITE_VSTATUS STATE.log_reg_write[3] = {0, 0};
// RVC macros
#define WRITE_RVC_RS1S(value) WRITE_REG(insn.rvc_rs1s(), value)
diff --git a/riscv/insn_template.cc b/riscv/insn_template.cc
index 9fc6e7e..9194d19 100644
--- a/riscv/insn_template.cc
+++ b/riscv/insn_template.cc
@@ -1,9 +1,34 @@
// See LICENSE for license details.
-#include "insn_template_TYPE.h"
+#include "insn_template.h"
#include "insn_macros.h"
-reg_t TYPE_rv32i_NAME(processor_t* p, insn_t insn, reg_t pc)
+#define DECODE_MACRO_USAGE_LOGGED 0
+
+reg_t fast_rv32i_NAME(processor_t* p, insn_t insn, reg_t pc)
+{
+ #define xlen 32
+ reg_t npc = sext_xlen(pc + insn_length(OPCODE));
+ #include "insns/NAME.h"
+ trace_opcode(p, OPCODE, insn);
+ #undef xlen
+ return npc;
+}
+
+reg_t fast_rv64i_NAME(processor_t* p, insn_t insn, reg_t pc)
+{
+ #define xlen 64
+ reg_t npc = sext_xlen(pc + insn_length(OPCODE));
+ #include "insns/NAME.h"
+ trace_opcode(p, OPCODE, insn);
+ #undef xlen
+ return npc;
+}
+
+#undef DECODE_MACRO_USAGE_LOGGED
+#define DECODE_MACRO_USAGE_LOGGED 1
+
+reg_t logged_rv32i_NAME(processor_t* p, insn_t insn, reg_t pc)
{
#define xlen 32
reg_t npc = sext_xlen(pc + insn_length(OPCODE));
@@ -13,7 +38,7 @@ reg_t TYPE_rv32i_NAME(processor_t* p, insn_t insn, reg_t pc)
return npc;
}
-reg_t TYPE_rv64i_NAME(processor_t* p, insn_t insn, reg_t pc)
+reg_t logged_rv64i_NAME(processor_t* p, insn_t insn, reg_t pc)
{
#define xlen 64
reg_t npc = sext_xlen(pc + insn_length(OPCODE));
@@ -26,7 +51,33 @@ reg_t TYPE_rv64i_NAME(processor_t* p, insn_t insn, reg_t pc)
#undef CHECK_REG
#define CHECK_REG(reg) require((reg) < 16)
-reg_t TYPE_rv32e_NAME(processor_t* p, insn_t insn, reg_t pc)
+#undef DECODE_MACRO_USAGE_LOGGED
+#define DECODE_MACRO_USAGE_LOGGED 0
+
+reg_t fast_rv32e_NAME(processor_t* p, insn_t insn, reg_t pc)
+{
+ #define xlen 32
+ reg_t npc = sext_xlen(pc + insn_length(OPCODE));
+ #include "insns/NAME.h"
+ trace_opcode(p, OPCODE, insn);
+ #undef xlen
+ return npc;
+}
+
+reg_t fast_rv64e_NAME(processor_t* p, insn_t insn, reg_t pc)
+{
+ #define xlen 64
+ reg_t npc = sext_xlen(pc + insn_length(OPCODE));
+ #include "insns/NAME.h"
+ trace_opcode(p, OPCODE, insn);
+ #undef xlen
+ return npc;
+}
+
+#undef DECODE_MACRO_USAGE_LOGGED
+#define DECODE_MACRO_USAGE_LOGGED 1
+
+reg_t logged_rv32e_NAME(processor_t* p, insn_t insn, reg_t pc)
{
#define xlen 32
reg_t npc = sext_xlen(pc + insn_length(OPCODE));
@@ -36,7 +87,7 @@ reg_t TYPE_rv32e_NAME(processor_t* p, insn_t insn, reg_t pc)
return npc;
}
-reg_t TYPE_rv64e_NAME(processor_t* p, insn_t insn, reg_t pc)
+reg_t logged_rv64e_NAME(processor_t* p, insn_t insn, reg_t pc)
{
#define xlen 64
reg_t npc = sext_xlen(pc + insn_length(OPCODE));
diff --git a/riscv/insn_template_fast.h b/riscv/insn_template_fast.h
deleted file mode 100644
index 7673c17..0000000
--- a/riscv/insn_template_fast.h
+++ /dev/null
@@ -1,4 +0,0 @@
-// See LICENSE for license details.
-
-#define DECODE_MACRO_USAGE_FAST
-#include "insn_template.h"
diff --git a/riscv/insn_template_logged.h b/riscv/insn_template_logged.h
deleted file mode 100644
index 1b4d65f..0000000
--- a/riscv/insn_template_logged.h
+++ /dev/null
@@ -1,4 +0,0 @@
-// See LICENSE for license details
-
-#define DECODE_MACRO_USAGE_LOGGED
-#include "insn_template.h"
diff --git a/riscv/riscv.mk.in b/riscv/riscv.mk.in
index 4a3470f..9e52a3f 100644
--- a/riscv/riscv.mk.in
+++ b/riscv/riscv.mk.in
@@ -38,8 +38,6 @@ riscv_hdrs = \
extension.h \
rocc.h \
insn_template.h \
- insn_template_fast.h \
- insn_template_logged.h \
debug_module.h \
debug_rom_defines.h \
remote_bitbang.h \
@@ -76,8 +74,7 @@ riscv_install_hdrs = \
vector_unit.h \
riscv_precompiled_hdrs = \
- insn_template_fast.h \
- insn_template_logged.h \
+ insn_template.h \
riscv_srcs = \
isa_parser.cc \
@@ -1361,10 +1358,7 @@ riscv_insn_list = \
$(riscv_insn_svinval) \
$(riscv_insn_ext_cmo) \
-riscv_fast_gen_srcs = $(addsuffix _fast.cc,$(riscv_insn_list))
-riscv_logged_gen_srcs = $(addsuffix _logged.cc,$(riscv_insn_list))
-
-riscv_gen_srcs = $(riscv_fast_gen_srcs) $(riscv_logged_gen_srcs)
+riscv_gen_srcs = $(addsuffix .cc,$(riscv_insn_list))
insn_list.h: $(src_dir)/riscv/riscv.mk.in
for insn in $(foreach insn,$(riscv_insn_list),$(subst .,_,$(insn))) ; do \
@@ -1372,11 +1366,8 @@ insn_list.h: $(src_dir)/riscv/riscv.mk.in
done > $@.tmp
mv $@.tmp $@
-$(riscv_fast_gen_srcs): %_fast.cc: insns/%.h insn_template.cc
- sed 's/NAME/$(subst _fast.cc,,$@)/' $(src_dir)/riscv/insn_template.cc | sed 's/TYPE/fast/' | sed 's/OPCODE/$(call get_opcode,$(src_dir)/riscv/encoding.h,$(subst _fast.cc,,$@))/' > $@
-
-$(riscv_logged_gen_srcs): %_logged.cc: insns/%.h insn_template.cc
- sed 's/NAME/$(subst _logged.cc,,$@)/' $(src_dir)/riscv/insn_template.cc | sed 's/TYPE/logged/' | sed 's/OPCODE/$(call get_opcode,$(src_dir)/riscv/encoding.h,$(subst _logged.cc,,$@))/' > $@
+$(riscv_gen_srcs): %.cc: insns/%.h insn_template.cc
+ sed 's/NAME/$(subst .cc,,$@)/' $(src_dir)/riscv/insn_template.cc | sed 's/OPCODE/$(call get_opcode,$(src_dir)/riscv/encoding.h,$(subst .cc,,$@))/' > $@
riscv_junk = \
$(riscv_gen_srcs) \
diff --git a/riscv/rocc.cc b/riscv/rocc.cc
index c0fc5dc..53ee051 100644
--- a/riscv/rocc.cc
+++ b/riscv/rocc.cc
@@ -1,6 +1,6 @@
// See LICENSE for license details.
-#define DECODE_MACRO_USAGE_LOGGED
+#define DECODE_MACRO_USAGE_LOGGED 1
#include "decode_macros.h"
#include "rocc.h"
#include "trap.h"