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From: Richard Henderson <richard.henderson@linaro.org>
To: qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org, "Philippe Mathieu-Daudé" <f4bug@amsat.org>
Subject: [PULL 05/27] tcg: Split out tcg_raise_tb_overflow
Date: Sat,  6 Mar 2021 13:35:51 -0800	[thread overview]
Message-ID: <20210306213613.85168-6-richard.henderson@linaro.org> (raw)
In-Reply-To: <20210306213613.85168-1-richard.henderson@linaro.org>

Allow other places in tcg to restart with a smaller tb.

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 tcg/tcg.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/tcg/tcg.c b/tcg/tcg.c
index 63a12b197b..bbe3dcee03 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -346,6 +346,12 @@ static void set_jmp_reset_offset(TCGContext *s, int which)
     s->tb_jmp_reset_offset[which] = tcg_current_code_size(s);
 }
 
+/* Signal overflow, starting over with fewer guest insns. */
+static void QEMU_NORETURN tcg_raise_tb_overflow(TCGContext *s)
+{
+    siglongjmp(s->jmp_trans, -2);
+}
+
 #define C_PFX1(P, A)                    P##A
 #define C_PFX2(P, A, B)                 P##A##_##B
 #define C_PFX3(P, A, B, C)              P##A##_##B##_##C
@@ -1310,8 +1316,7 @@ static TCGTemp *tcg_temp_alloc(TCGContext *s)
     int n = s->nb_temps++;
 
     if (n >= TCG_MAX_TEMPS) {
-        /* Signal overflow, starting over with fewer guest insns. */
-        siglongjmp(s->jmp_trans, -2);
+        tcg_raise_tb_overflow(s);
     }
     return memset(&s->temps[n], 0, sizeof(TCGTemp));
 }
-- 
2.25.1



  parent reply	other threads:[~2021-03-06 21:39 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-06 21:35 [PULL 00/27] tcg patch queue Richard Henderson
2021-03-06 21:35 ` [PULL 01/27] tcg/aarch64: Fix constant subtraction in tcg_out_addsub2 Richard Henderson
2021-03-06 21:35 ` [PULL 02/27] tcg/aarch64: Fix I3617_CMLE0 Richard Henderson
2021-03-06 21:35 ` [PULL 03/27] tcg/aarch64: Fix generation of "scalar" vector operations Richard Henderson
2021-03-06 21:35 ` [PULL 04/27] tcg/tci: Use exec/cpu_ldst.h interfaces Richard Henderson
2021-03-06 21:35 ` Richard Henderson [this message]
2021-03-06 21:35 ` [PULL 06/27] tcg: Manage splitwx in tc_ptr_to_region_tree by hand Richard Henderson
2021-03-06 21:35 ` [PULL 07/27] tcg/tci: Merge identical cases in generation (arithmetic opcodes) Richard Henderson
2021-03-06 21:35 ` [PULL 08/27] tcg/tci: Merge identical cases in generation (exchange opcodes) Richard Henderson
2021-03-06 21:35 ` [PULL 09/27] tcg/tci: Merge identical cases in generation (deposit opcode) Richard Henderson
2021-03-06 21:35 ` [PULL 10/27] tcg/tci: Merge identical cases in generation (conditional opcodes) Richard Henderson
2021-03-06 21:35 ` [PULL 11/27] tcg/tci: Merge identical cases in generation (load/store opcodes) Richard Henderson
2021-03-06 21:35 ` [PULL 12/27] tcg/tci: Remove tci_read_r8 Richard Henderson
2021-03-06 21:35 ` [PULL 13/27] tcg/tci: Remove tci_read_r8s Richard Henderson
2021-03-06 21:36 ` [PULL 14/27] tcg/tci: Remove tci_read_r16 Richard Henderson
2021-03-06 21:36 ` [PULL 15/27] tcg/tci: Remove tci_read_r16s Richard Henderson
2021-03-06 21:36 ` [PULL 16/27] tcg/tci: Remove tci_read_r32 Richard Henderson
2021-03-06 21:36 ` [PULL 17/27] tcg/tci: Remove tci_read_r32s Richard Henderson
2021-03-06 21:36 ` [PULL 18/27] tcg/tci: Reduce use of tci_read_r64 Richard Henderson
2021-03-06 21:36 ` [PULL 19/27] tcg/tci: Merge basic arithmetic operations Richard Henderson
2021-03-06 21:36 ` [PULL 20/27] tcg/tci: Merge extension operations Richard Henderson
2021-03-06 21:36 ` [PULL 21/27] tcg/tci: Merge bswap operations Richard Henderson
2021-03-06 21:36 ` [PULL 22/27] tcg/tci: Merge mov, not and neg operations Richard Henderson
2021-03-06 21:36 ` [PULL 23/27] accel/tcg: rename tb_lookup__cpu_state and hoist state extraction Richard Henderson
2021-03-06 21:36 ` [PULL 24/27] accel/tcg: move CF_CLUSTER calculation to curr_cflags Richard Henderson
2021-03-06 21:36 ` [PULL 25/27] accel/tcg: drop the use of CF_HASH_MASK and rename params Richard Henderson
2021-03-06 21:36 ` [PULL 26/27] include/exec: lightly re-arrange TranslationBlock Richard Henderson
2021-03-06 21:36 ` [PULL 27/27] accel/tcg: Precompute curr_cflags into cpu->tcg_cflags Richard Henderson
2021-03-09 11:21 ` [PULL 00/27] tcg patch queue Peter Maydell

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