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authorPhilippe Mathieu-Daudé <f4bug@amsat.org>2021-04-18 23:41:10 +0200
committerPhilippe Mathieu-Daudé <f4bug@amsat.org>2021-05-02 16:49:34 +0200
commit830b87ea25b3710c3fce04dee782bcf1c89ba27f (patch)
tree48f310b3f6676987bd9cd3e213038bbda3532dd7
parentadbf1be325482af13e374573fc875fbe15600348 (diff)
target/mips: Optimize CPU/FPU regnames[] arrays
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> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Message-Id: <20210428170410.479308-6-f4bug@amsat.org>
-rw-r--r--target/mips/cpu.c2
-rw-r--r--target/mips/fpu.c2
-rw-r--r--target/mips/internal.h4
3 files changed, 4 insertions, 4 deletions
diff --git a/target/mips/cpu.c b/target/mips/cpu.c
index f354d18aec..ed9552ebeb 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 1447dba3fa..c7c487c1f9 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",
diff --git a/target/mips/internal.h b/target/mips/internal.h
index a8644f754a..37f54a8b3f 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;