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authorRichard Henderson <richard.henderson@linaro.org>2023-08-15 17:19:37 +0000
committerRichard Henderson <richard.henderson@linaro.org>2023-10-22 16:32:27 -0700
commit776cd9b64834d735db9c4cac7924497509739755 (patch)
treedab1c38ffa9cb8d0f460908084c91332b94649a6 /tcg/ppc
parent3acd75b851759ccfa70a900c04d9ca030140de01 (diff)
tcg/ppc: Use ADDPCIS in tcg_out_movi_int
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/ppc')
-rw-r--r--tcg/ppc/tcg-target.c.inc13
1 files changed, 13 insertions, 0 deletions
diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc
index b0b8cd2390..226b5598ac 100644
--- a/tcg/ppc/tcg-target.c.inc
+++ b/tcg/ppc/tcg-target.c.inc
@@ -1055,6 +1055,19 @@ static void tcg_out_movi_int(TCGContext *s, TCGType type, TCGReg ret,
return;
}
+ /* Load addresses within 2GB with 2 insns. */
+ if (have_isa_3_00) {
+ intptr_t hi = tcg_pcrel_diff(s, (void *)arg) - 4;
+ int16_t lo = hi;
+
+ hi -= lo;
+ if (hi == (int32_t)hi) {
+ tcg_out_addpcis(s, TCG_REG_TMP2, hi);
+ tcg_out32(s, ADDI | TAI(ret, TCG_REG_TMP2, lo));
+ return;
+ }
+ }
+
/* Load addresses within 2GB of TB with 2 (or rarely 3) insns. */
if (!in_prologue && USE_REG_TB && tb_diff == (int32_t)tb_diff) {
tcg_out_mem_long(s, ADDI, ADD, ret, TCG_REG_TB, tb_diff);