[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[PATCH v3 05/30] target/mips: Optimize CPU/FPU regnames[] arrays
From: |
Philippe Mathieu-Daudé |
Subject: |
[PATCH v3 05/30] target/mips: Optimize CPU/FPU regnames[] arrays |
Date: |
Mon, 19 Apr 2021 21:17:58 +0200 |
Since all entries are no more than 4 bytes (including nul
terminator), can save space and pie runtime relocations by
declaring regnames[] as array of 4 const char.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
target/mips/internal.h | 4 ++--
target/mips/cpu.c | 2 +-
target/mips/fpu.c | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/target/mips/internal.h b/target/mips/internal.h
index a8644f754a6..37f54a8b3fc 100644
--- a/target/mips/internal.h
+++ b/target/mips/internal.h
@@ -71,8 +71,8 @@ struct mips_def_t {
int32_t SAARP;
};
-extern const char * const regnames[32];
-extern const char * const fregnames[32];
+extern const char regnames[32][4];
+extern const char fregnames[32][4];
extern const struct mips_def_t mips_defs[];
extern const int mips_defs_number;
diff --git a/target/mips/cpu.c b/target/mips/cpu.c
index f354d18aec4..ed9552ebeb7 100644
--- a/target/mips/cpu.c
+++ b/target/mips/cpu.c
@@ -35,7 +35,7 @@
#include "qapi/qapi-commands-machine-target.h"
#include "fpu_helper.h"
-const char * const regnames[32] = {
+const char regnames[32][4] = {
"r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
"t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
"s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
diff --git a/target/mips/fpu.c b/target/mips/fpu.c
index 1447dba3fa3..c7c487c1f9f 100644
--- a/target/mips/fpu.c
+++ b/target/mips/fpu.c
@@ -17,7 +17,7 @@ const FloatRoundMode ieee_rm[4] = {
float_round_down
};
-const char * const fregnames[32] = {
+const char fregnames[32][4] = {
"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
--
2.26.3
- [PATCH v3 00/30] target/mips: Re-org to allow KVM-only builds, Philippe Mathieu-Daudé, 2021/04/19
- [PATCH v3 01/30] target/mips: Simplify meson TCG rules, Philippe Mathieu-Daudé, 2021/04/19
- [PATCH v3 02/30] target/mips: Move IEEE rounding mode array to new source file, Philippe Mathieu-Daudé, 2021/04/19
- [PATCH v3 03/30] target/mips: Move msa_reset() to new source file, Philippe Mathieu-Daudé, 2021/04/19
- [PATCH v3 04/30] target/mips: Make CPU/FPU regnames[] arrays global, Philippe Mathieu-Daudé, 2021/04/19
- [PATCH v3 05/30] target/mips: Optimize CPU/FPU regnames[] arrays,
Philippe Mathieu-Daudé <=
- [PATCH v3 06/30] target/mips: Restrict mips_cpu_dump_state() to cpu.c, Philippe Mathieu-Daudé, 2021/04/19
- [PATCH v3 07/30] target/mips: Turn printfpr() macro into a proper function, Philippe Mathieu-Daudé, 2021/04/19
- [PATCH v3 08/30] target/mips: Declare mips_cpu_set_error_pc() inlined in "internal.h", Philippe Mathieu-Daudé, 2021/04/19
- [PATCH v3 09/30] target/mips: Merge do_translate_address into cpu_mips_translate_address, Philippe Mathieu-Daudé, 2021/04/19