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[PULL 32/47] tcg/ppc: Use tcg_out_mem_long to reset TCG_REG_TB
From: |
Richard Henderson |
Subject: |
[PULL 32/47] tcg/ppc: Use tcg_out_mem_long to reset TCG_REG_TB |
Date: |
Thu, 7 Jan 2021 10:14:33 -1000 |
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>
---
tcg/ppc/tcg-target.c.inc | 5 ++---
1 file 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:
--
2.25.1
- [PULL 17/47] tcg: Adjust tb_target_set_jmp_target for split-wx, (continued)
- [PULL 17/47] tcg: Adjust tb_target_set_jmp_target for split-wx, Richard Henderson, 2021/01/07
- [PULL 19/47] tcg: Make tb arg to synchronize_from_tb const, Richard Henderson, 2021/01/07
- [PULL 18/47] tcg: Make DisasContextBase.tb const, Richard Henderson, 2021/01/07
- [PULL 25/47] tcg/i386: Support split-wx code generation, Richard Henderson, 2021/01/07
- [PULL 23/47] accel/tcg: Support split-wx for darwin/iOS with vm_remap, Richard Henderson, 2021/01/07
- [PULL 24/47] tcg: Return the TB pointer from the rx region from exit_tb, Richard Henderson, 2021/01/07
- [PULL 21/47] tcg: Add --accel tcg,split-wx property, Richard Henderson, 2021/01/07
- [PULL 22/47] accel/tcg: Support split-wx for linux with memfd, Richard Henderson, 2021/01/07
- [PULL 27/47] tcg/aarch64: Support split-wx code generation, Richard Henderson, 2021/01/07
- [PULL 29/47] tcg/tci: Push const down through bytecode reading, Richard Henderson, 2021/01/07
- [PULL 32/47] tcg/ppc: Use tcg_out_mem_long to reset TCG_REG_TB,
Richard Henderson <=
- [PULL 36/47] tcg/s390: Use tcg_tbrel_diff, Richard Henderson, 2021/01/07
- [PULL 20/47] tcg: Use Error with alloc_code_gen_buffer, Richard Henderson, 2021/01/07
- [PULL 33/47] tcg/ppc: Support split-wx code generation, Richard Henderson, 2021/01/07
- [PULL 37/47] tcg/s390: Support split-wx code generation, Richard Henderson, 2021/01/07
- [PULL 38/47] tcg/riscv: Fix branch range checks, Richard Henderson, 2021/01/07
- [PULL 34/47] tcg/sparc: Use tcg_tbrel_diff, Richard Henderson, 2021/01/07
- [PULL 45/47] tcg: Remove TCG_TARGET_SUPPORT_MIRROR, Richard Henderson, 2021/01/07
- [PULL 26/47] tcg/aarch64: Use B not BL for tcg_out_goto_long, Richard Henderson, 2021/01/07
- [PULL 41/47] accel/tcg: Add mips support to alloc_code_gen_buffer_splitwx_memfd, Richard Henderson, 2021/01/07
- [PULL 30/47] tcg: Introduce tcg_tbrel_diff, Richard Henderson, 2021/01/07