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tcg/s390x: Use ADD LOGICAL WITH SIGNED IMMEDIATE

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Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2025-01-19 10:01:18 -08:00
parent cda7f93fa2
commit 41dd55c79c
1 changed files with 21 additions and 1 deletions
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22
tcg/s390x/tcg-target.c.inc
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@ -135,6 +135,9 @@ typedef enum S390Opcode {
RIEc_CLGIJ = 0xec7d,
RIEc_CLIJ = 0xec7f,
RIEd_ALHSIK = 0xecda,
RIEd_ALGHSIK = 0xecdb,
RIEf_RISBG = 0xec55,
RIEg_LOCGHI = 0xec46,
@ -682,8 +685,16 @@ static void tcg_out_insn_RI(TCGContext *s, S390Opcode op, TCGReg r1, int i2)
tcg_out32(s, (op << 16) | (r1 << 20) | (i2 & 0xffff));
}
static void tcg_out_insn_RIEd(TCGContext *s, S390Opcode op,
TCGReg r1, TCGReg r3, int i2)
{
tcg_out16(s, (op & 0xff00) | (r1 << 4) | r3);
tcg_out16(s, i2);
tcg_out16(s, op & 0xff);
}
static void tcg_out_insn_RIEg(TCGContext *s, S390Opcode op, TCGReg r1,
int i2, int m3)
int i2, int m3)
{
tcg_out16(s, (op & 0xff00) | (r1 << 4) | m3);
tcg_out32(s, (i2 << 16) | (op & 0xff));
@ -2276,6 +2287,15 @@ static void tgen_addco_rrr(TCGContext *s, TCGType type,
static void tgen_addco_rri(TCGContext *s, TCGType type,
TCGReg a0, TCGReg a1, tcg_target_long a2)
{
if (a2 == (int16_t)a2) {
if (type == TCG_TYPE_I32) {
tcg_out_insn(s, RIEd, ALHSIK, a0, a1, a2);
} else {
tcg_out_insn(s, RIEd, ALGHSIK, a0, a1, a2);
}
return;
}
tcg_out_mov(s, type, a0, a1);
if (type == TCG_TYPE_I32) {
tcg_out_insn(s, RIL, ALFI, a0, a2);