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authorRichard Henderson <richard.henderson@linaro.org>2020-11-05 19:34:51 +0000
committerRichard Henderson <richard.henderson@linaro.org>2021-01-07 05:09:42 -1000
commit2d6f38ebe534f0232228fab6df3044e3819675c6 (patch)
treeaa05d047697055e2967abf8da534d891625d9226
parente6dc7f818fd99d598f08506a3e145abbdf9dc763 (diff)
downloadqemu-arm-2d6f38ebe534f0232228fab6df3044e3819675c6.tar.gz
tcg/ppc: Use tcg_out_mem_long to reset TCG_REG_TB
The maximum TB code gen size is UINT16_MAX, which the current code does not support. Use our utility function to optimally add an arbitrary constant. Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
-rw-r--r--tcg/ppc/tcg-target.c.inc5
1 files changed, 2 insertions, 3 deletions
diff --git a/tcg/ppc/tcg-target.c.inc b/tcg/ppc/tcg-target.c.inc
index ed7a201578..1f8a446b90 100644
--- a/tcg/ppc/tcg-target.c.inc
+++ b/tcg/ppc/tcg-target.c.inc
@@ -2392,9 +2392,8 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc, const TCGArg *args,
set_jmp_reset_offset(s, args[0]);
if (USE_REG_TB) {
/* For the unlinked case, need to reset TCG_REG_TB. */
- c = -tcg_current_code_size(s);
- assert(c == (int16_t)c);
- tcg_out32(s, ADDI | TAI(TCG_REG_TB, TCG_REG_TB, c));
+ tcg_out_mem_long(s, ADDI, ADD, TCG_REG_TB, TCG_REG_TB,
+ -tcg_current_code_size(s));
}
break;
case INDEX_op_goto_ptr: