mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

target/mips: Convert mips16e decr_and_load/store() macros to functions

Browse Source 
Functions are easier to rework than macros. Besides,
there is no gain here in inlining these.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241010215015.44326-6-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2024-09-30 09:56:56 +02:00
parent 2cf8226fcd
commit 54821ff6e9
1 changed files with 53 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

101
target/mips/tcg/mips16e_translate.c.inc
View File

@ -122,11 +122,23 @@ enum {
static int xlat(int r)
{
static int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 };
static const int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 };
return map[r];
}
static void decr_and_store(DisasContext *ctx, unsigned regidx, TCGv t0)
{
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
tcg_gen_movi_tl(t2, -4);
gen_op_addr_add(ctx, t0, t0, t2);
gen_load_gpr(t1, regidx);
tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL |
ctx->default_tcg_memop_mask);
}
static void gen_mips16_save(DisasContext *ctx,
int xsregs, int aregs,
int do_ra, int do_s0, int do_s1,
@ -196,46 +208,38 @@ static void gen_mips16_save(DisasContext *ctx,
gen_load_gpr(t0, 29);
#define DECR_AND_STORE(reg) do { \
tcg_gen_movi_tl(t2, -4); \
gen_op_addr_add(ctx, t0, t0, t2); \
gen_load_gpr(t1, reg); \
tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL | \
ctx->default_tcg_memop_mask); \
} while (0)
if (do_ra) {
DECR_AND_STORE(31);
decr_and_store(ctx, 31, t0);
}
switch (xsregs) {
case 7:
DECR_AND_STORE(30);
decr_and_store(ctx, 30, t0);
/* Fall through */
case 6:
DECR_AND_STORE(23);
decr_and_store(ctx, 23, t0);
/* Fall through */
case 5:
DECR_AND_STORE(22);
decr_and_store(ctx, 22, t0);
/* Fall through */
case 4:
DECR_AND_STORE(21);
decr_and_store(ctx, 21, t0);
/* Fall through */
case 3:
DECR_AND_STORE(20);
decr_and_store(ctx, 20, t0);
/* Fall through */
case 2:
DECR_AND_STORE(19);
decr_and_store(ctx, 19, t0);
/* Fall through */
case 1:
DECR_AND_STORE(18);
decr_and_store(ctx, 18, t0);
}
if (do_s1) {
DECR_AND_STORE(17);
decr_and_store(ctx, 17, t0);
}
if (do_s0) {
DECR_AND_STORE(16);
decr_and_store(ctx, 16, t0);
}
switch (aregs) {
@ -270,23 +274,34 @@ static void gen_mips16_save(DisasContext *ctx,
}
if (astatic > 0) {
DECR_AND_STORE(7);
decr_and_store(ctx, 7, t0);
if (astatic > 1) {
DECR_AND_STORE(6);
decr_and_store(ctx, 6, t0);
if (astatic > 2) {
DECR_AND_STORE(5);
decr_and_store(ctx, 5, t0);
if (astatic > 3) {
DECR_AND_STORE(4);
decr_and_store(ctx, 4, t0);
}
}
}
}
#undef DECR_AND_STORE
tcg_gen_movi_tl(t2, -framesize);
gen_op_addr_add(ctx, cpu_gpr[29], cpu_gpr[29], t2);
}
static void decr_and_load(DisasContext *ctx, unsigned regidx, TCGv t0)
{
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
tcg_gen_movi_tl(t2, -4);
gen_op_addr_add(ctx, t0, t0, t2);
tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TESL |
ctx->default_tcg_memop_mask);
gen_store_gpr(t1, regidx);
}
static void gen_mips16_restore(DisasContext *ctx,
int xsregs, int aregs,
int do_ra, int do_s0, int do_s1,
@ -294,52 +309,43 @@ static void gen_mips16_restore(DisasContext *ctx,
{
int astatic;
TCGv t0 = tcg_temp_new();
TCGv t1 = tcg_temp_new();
TCGv t2 = tcg_temp_new();
tcg_gen_movi_tl(t2, framesize);
gen_op_addr_add(ctx, t0, cpu_gpr[29], t2);
#define DECR_AND_LOAD(reg) do { \
tcg_gen_movi_tl(t2, -4); \
gen_op_addr_add(ctx, t0, t0, t2); \
tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TESL | \
ctx->default_tcg_memop_mask); \
gen_store_gpr(t1, reg); \
} while (0)
if (do_ra) {
DECR_AND_LOAD(31);
decr_and_load(ctx, 31, t0);
}
switch (xsregs) {
case 7:
DECR_AND_LOAD(30);
decr_and_load(ctx, 30, t0);
/* Fall through */
case 6:
DECR_AND_LOAD(23);
decr_and_load(ctx, 23, t0);
/* Fall through */
case 5:
DECR_AND_LOAD(22);
decr_and_load(ctx, 22, t0);
/* Fall through */
case 4:
DECR_AND_LOAD(21);
decr_and_load(ctx, 21, t0);
/* Fall through */
case 3:
DECR_AND_LOAD(20);
decr_and_load(ctx, 20, t0);
/* Fall through */
case 2:
DECR_AND_LOAD(19);
decr_and_load(ctx, 19, t0);
/* Fall through */
case 1:
DECR_AND_LOAD(18);
decr_and_load(ctx, 18, t0);
}
if (do_s1) {
DECR_AND_LOAD(17);
decr_and_load(ctx, 17, t0);
}
if (do_s0) {
DECR_AND_LOAD(16);
decr_and_load(ctx, 16, t0);
}
switch (aregs) {
@ -374,18 +380,17 @@ static void gen_mips16_restore(DisasContext *ctx,
}
if (astatic > 0) {
DECR_AND_LOAD(7);
decr_and_load(ctx, 7, t0);
if (astatic > 1) {
DECR_AND_LOAD(6);
decr_and_load(ctx, 6, t0);
if (astatic > 2) {
DECR_AND_LOAD(5);
decr_and_load(ctx, 5, t0);
if (astatic > 3) {
DECR_AND_LOAD(4);
decr_and_load(ctx, 4, t0);
}
}
}
}
#undef DECR_AND_LOAD
tcg_gen_movi_tl(t2, framesize);
gen_op_addr_add(ctx, cpu_gpr[29], cpu_gpr[29], t2);