system/qemu
system/qemu
1
0
Fork 0
mirror of https://gitlab.com/qemu-project/qemu synced 2024-07-23 19:34:41 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

target/sparc64: Remove tcg_out_movi_s13 case from tcg_out_movi_imm32

Browse source 
Shuffle the order in tcg_out_movi_int to check s13 first, and
drop this check from tcg_out_movi_imm32.  This might make the
sequence for in_prologue larger, but not worth worrying about.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-05-08 16:23:00 +01:00
parent 8b14f8627c
commit ca0681c941
1 changed files with 10 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

25
tcg/sparc64/tcg-target.c.inc
View file

@ -407,15 +407,10 @@ static void tcg_out_movi_s13(TCGContext *s, TCGReg ret, int32_t arg)
static void tcg_out_movi_imm32(TCGContext *s, TCGReg ret, int32_t arg)
{
if (check_fit_i32(arg, 13)) {
/* A 13-bit constant sign-extended to 64-bits. */
tcg_out_movi_s13(s, ret, arg);
} else {
/* A 32-bit constant zero-extended to 64 bits. */
tcg_out_sethi(s, ret, arg);
if (arg & 0x3ff) {
tcg_out_arithi(s, ret, ret, arg & 0x3ff, ARITH_OR);
}
/* A 32-bit constant zero-extended to 64 bits. */
tcg_out_sethi(s, ret, arg);
if (arg & 0x3ff) {
tcg_out_arithi(s, ret, ret, arg & 0x3ff, ARITH_OR);
}
}
@ -426,18 +421,18 @@ static void tcg_out_movi_int(TCGContext *s, TCGType type, TCGReg ret,
tcg_target_long hi, lo = (int32_t)arg;
tcg_target_long test, lsb;
/* A 32-bit constant, or 32-bit zero-extended to 64-bits. */
if (type == TCG_TYPE_I32 || arg == (uint32_t)arg) {
tcg_out_movi_imm32(s, ret, arg);
return;
}
/* A 13-bit constant sign-extended to 64-bits. */
if (check_fit_tl(arg, 13)) {
tcg_out_movi_s13(s, ret, arg);
return;
}
/* A 32-bit constant, or 32-bit zero-extended to 64-bits. */
if (type == TCG_TYPE_I32 || arg == (uint32_t)arg) {
tcg_out_movi_imm32(s, ret, arg);
return;
}
/* A 13-bit constant relative to the TB. */
if (!in_prologue) {
test = tcg_tbrel_diff(s, (void *)arg);