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[PATCH v3 26/41] tcg/ppc: Use tcg_out_mem_long to reset TCG_REG_TB
From: |
Richard Henderson |
Subject: |
[PATCH v3 26/41] tcg/ppc: Use tcg_out_mem_long to reset TCG_REG_TB |
Date: |
Thu, 5 Nov 2020 19:29:06 -0800 |
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 dc90705d02..91d5d95ddf 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
- Re: [PATCH v3 16/41] accel/tcg: Support split-wx for darwin/iOS with vm_remap, (continued)
- [PATCH v3 19/41] tcg/aarch64: Use B not BL for tcg_out_goto_long, Richard Henderson, 2020/11/05
- [PATCH v3 17/41] tcg: Return the TB pointer from the rx region from exit_tb, Richard Henderson, 2020/11/05
- [PATCH v3 20/41] tcg/aarch64: Implement flush_idcache_range manually, Richard Henderson, 2020/11/05
- [PATCH v3 21/41] tcg/aarch64: Support split-wx code generation, Richard Henderson, 2020/11/05
- [PATCH v3 22/41] disas: Push const down through host disasassembly, Richard Henderson, 2020/11/05
- [PATCH v3 23/41] tcg/tci: Push const down through bytecode reading, Richard Henderson, 2020/11/05
- [PATCH v3 24/41] tcg: Introduce tcg_tbrel_diff, Richard Henderson, 2020/11/05
- [PATCH v3 25/41] tcg/ppc: Use tcg_tbrel_diff, Richard Henderson, 2020/11/05
- [PATCH v3 26/41] tcg/ppc: Use tcg_out_mem_long to reset TCG_REG_TB,
Richard Henderson <=
- [PATCH v3 27/41] tcg/ppc: Support split-wx code generation, Richard Henderson, 2020/11/05
- [PATCH v3 29/41] tcg/sparc: Support split-wx code generation, Richard Henderson, 2020/11/05
- [PATCH v3 35/41] accel/tcg: Add mips support to alloc_code_gen_buffer_splitwx_memfd, Richard Henderson, 2020/11/05
- [PATCH v3 32/41] tcg/riscv: Fix branch range checks, Richard Henderson, 2020/11/05
- [PATCH v3 31/41] tcg/s390: Support split-wx code generation, Richard Henderson, 2020/11/05
- [PATCH v3 36/41] tcg/mips: Do not assert on relocation overflow, Richard Henderson, 2020/11/05
- [PATCH v3 37/41] tcg/mips: Support split-wx code generation, Richard Henderson, 2020/11/05
- [PATCH v3 33/41] tcg/riscv: Remove branch-over-branch fallback, Richard Henderson, 2020/11/05
- [PATCH v3 28/41] tcg/sparc: Use tcg_tbrel_diff, Richard Henderson, 2020/11/05
- [PATCH v3 30/41] tcg/s390: Use tcg_tbrel_diff, Richard Henderson, 2020/11/05