vitalif
/
mirror_qemu
mirror of https://github.com/proxmox/mirror_qemu
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

tcg/i386: Pass x86 condition codes to tcg_out_cmov 

Hoist the tcg_cond_to_jcc index outside the function.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
master
Richard Henderson 2023-10-23 23:08:11 -07:00
parent 9f56661410
commit c95da56bfe
1 changed files with 8 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
tcg/i386/tcg-target.c.inc
View File

@ -1699,14 +1699,14 @@ static void tcg_out_setcond2(TCGContext *s, const TCGArg *args,
}
#endif
static void tcg_out_cmov(TCGContext *s, TCGCond cond, int rexw,
static void tcg_out_cmov(TCGContext *s, int jcc, int rexw,
TCGReg dest, TCGReg v1)
{
if (have_cmov) {
tcg_out_modrm(s, OPC_CMOVCC | tcg_cond_to_jcc[cond] | rexw, dest, v1);
tcg_out_modrm(s, OPC_CMOVCC | jcc | rexw, dest, v1);
} else {
TCGLabel *over = gen_new_label();
tcg_out_jxx(s, tcg_cond_to_jcc[tcg_invert_cond(cond)], over, 1);
tcg_out_jxx(s, jcc ^ 1, over, 1);
tcg_out_mov(s, TCG_TYPE_I32, dest, v1);
tcg_out_label(s, over);
}
@ -1717,7 +1717,7 @@ static void tcg_out_movcond(TCGContext *s, int rexw, TCGCond cond,
TCGReg v1)
{
tcg_out_cmp(s, c1, c2, const_c2, rexw);
tcg_out_cmov(s, cond, rexw, dest, v1);
tcg_out_cmov(s, tcg_cond_to_jcc[cond], rexw, dest, v1);
}
static void tcg_out_ctz(TCGContext *s, int rexw, TCGReg dest, TCGReg arg1,
@ -1729,12 +1729,12 @@ static void tcg_out_ctz(TCGContext *s, int rexw, TCGReg dest, TCGReg arg1,
tcg_debug_assert(arg2 == (rexw ? 64 : 32));
} else {
tcg_debug_assert(dest != arg2);
tcg_out_cmov(s, TCG_COND_LTU, rexw, dest, arg2);
tcg_out_cmov(s, JCC_JB, rexw, dest, arg2);
}
} else {
tcg_debug_assert(dest != arg2);
tcg_out_modrm(s, OPC_BSF + rexw, dest, arg1);
tcg_out_cmov(s, TCG_COND_EQ, rexw, dest, arg2);
tcg_out_cmov(s, JCC_JE, rexw, dest, arg2);
}
}
@ -1747,7 +1747,7 @@ static void tcg_out_clz(TCGContext *s, int rexw, TCGReg dest, TCGReg arg1,
tcg_debug_assert(arg2 == (rexw ? 64 : 32));
} else {
tcg_debug_assert(dest != arg2);
tcg_out_cmov(s, TCG_COND_LTU, rexw, dest, arg2);
tcg_out_cmov(s, JCC_JB, rexw, dest, arg2);
}
} else {
tcg_debug_assert(!const_a2);
@ -1760,7 +1760,7 @@ static void tcg_out_clz(TCGContext *s, int rexw, TCGReg dest, TCGReg arg1,
/* Since we have destroyed the flags from BSR, we have to re-test. */
tcg_out_cmp(s, arg1, 0, 1, rexw);
tcg_out_cmov(s, TCG_COND_EQ, rexw, dest, arg2);
tcg_out_cmov(s, JCC_JE, rexw, dest, arg2);
}
}