ShuriZma
/
xemu
mirror of https://github.com/xemu-project/xemu.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

tcg/ppc: Use power10 byte-reverse instructions 

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2021-06-13 17:45:07 +00:00
parent 26ce70051b
commit 780b573fce
1 changed files with 34 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

34
tcg/ppc/tcg-target.c.inc
View File

@ -413,6 +413,10 @@ static bool tcg_target_const_match(int64_t val, TCGType type, int ct)
#define SRAD XO31(794) #define SRAD XO31(794)
#define SRADI XO31(413<<1) #define SRADI XO31(413<<1)
#define BRH XO31(219)
#define BRW XO31(155)
#define BRD XO31(187)
#define TW XO31( 4) #define TW XO31( 4)
#define TRAP (TW | TO(31)) #define TRAP (TW | TO(31))
@ -748,6 +752,11 @@ static inline void tcg_out_ext16s(TCGContext *s, TCGReg dst, TCGReg src)
tcg_out32(s, EXTSH | RA(dst) | RS(src)); tcg_out32(s, EXTSH | RA(dst) | RS(src));
} }
static inline void tcg_out_ext16u(TCGContext *s, TCGReg dst, TCGReg src)
{
tcg_out32(s, ANDI | SAI(src, dst, 0xffff));
}
static inline void tcg_out_ext32s(TCGContext *s, TCGReg dst, TCGReg src) static inline void tcg_out_ext32s(TCGContext *s, TCGReg dst, TCGReg src)
{ {
tcg_out32(s, EXTSW | RA(dst) | RS(src)); tcg_out32(s, EXTSW | RA(dst) | RS(src));
@ -793,6 +802,16 @@ static void tcg_out_bswap16(TCGContext *s, TCGReg dst, TCGReg src, int flags)
{ {
TCGReg tmp = dst == src ? TCG_REG_R0 : dst; TCGReg tmp = dst == src ? TCG_REG_R0 : dst;
if (have_isa_3_10) {
tcg_out32(s, BRH | RA(dst) | RS(src));
if (flags & TCG_BSWAP_OS) {
tcg_out_ext16s(s, dst, dst);
} else if ((flags & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ) {
tcg_out_ext16u(s, dst, dst);
}
return;
}
/* /*
* In the following, * In the following,
* dep(a, b, m) -> (a & ~m) | (b & m) * dep(a, b, m) -> (a & ~m) | (b & m)
@ -815,6 +834,16 @@ static void tcg_out_bswap32(TCGContext *s, TCGReg dst, TCGReg src, int flags)
{ {
TCGReg tmp = dst == src ? TCG_REG_R0 : dst; TCGReg tmp = dst == src ? TCG_REG_R0 : dst;
if (have_isa_3_10) {
tcg_out32(s, BRW | RA(dst) | RS(src));
if (flags & TCG_BSWAP_OS) {
tcg_out_ext32s(s, dst, dst);
} else if ((flags & (TCG_BSWAP_IZ | TCG_BSWAP_OZ)) == TCG_BSWAP_OZ) {
tcg_out_ext32u(s, dst, dst);
}
return;
}
/* /*
* Stolen from gcc's builtin_bswap32. * Stolen from gcc's builtin_bswap32.
* In the following, * In the following,
@ -841,6 +870,11 @@ static void tcg_out_bswap64(TCGContext *s, TCGReg dst, TCGReg src)
TCGReg t0 = dst == src ? TCG_REG_R0 : dst; TCGReg t0 = dst == src ? TCG_REG_R0 : dst;
TCGReg t1 = dst == src ? dst : TCG_REG_R0; TCGReg t1 = dst == src ? dst : TCG_REG_R0;
if (have_isa_3_10) {
tcg_out32(s, BRD | RA(dst) | RS(src));
return;
}
/* /*
* In the following, * In the following,
* dep(a, b, m) -> (a & ~m) | (b & m) * dep(a, b, m) -> (a & ~m) | (b & m)