[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] [RFC 13/14] tcg: Use temp number 0 again
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [RFC 13/14] tcg: Use temp number 0 again |
Date: |
Wed, 16 Nov 2016 20:51:49 +0100 |
Now that we're storing pointers, we don't have to reserve
index 0 to avoid the apperance of a NULL pointer.
Signed-off-by: Richard Henderson <address@hidden>
---
tcg/tcg.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/tcg/tcg.c b/tcg/tcg.c
index a2a0b90..d4409ad 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -330,11 +330,6 @@ void tcg_context_init(TCGContext *s)
memset(s, 0, sizeof(*s));
- /* Reserve global 0 so that, when foxing these integrals
- as pointers, NULL is unused. */
- s->nb_globals = 1;
- s->nb_temps = 1;
-
/* Count total number of arguments and allocate the corresponding
space */
total_args = 0;
--
2.7.4
- [Qemu-devel] [RFC 01/14] tcg: Use NULL for TCGV_UNUSED_*, (continued)
- [Qemu-devel] [RFC 01/14] tcg: Use NULL for TCGV_UNUSED_*, Richard Henderson, 2016/11/16
- [Qemu-devel] [RFC 04/14] tcg: Add temp_global bit to TCGTemp, Richard Henderson, 2016/11/16
- [Qemu-devel] [RFC 02/14] tcg: Define actual structures for TCGv_*, Richard Henderson, 2016/11/16
- [Qemu-devel] [RFC 05/14] tcg: Avoid loops against variable bounds, Richard Henderson, 2016/11/16
- [Qemu-devel] [RFC 03/14] tcg: Use per-temp state data in liveness, Richard Henderson, 2016/11/16
- [Qemu-devel] [RFC 06/14] tcg: More use of arg_temp, Richard Henderson, 2016/11/16
- [Qemu-devel] [RFC 07/14] tcg: Change temp_allocate_frame arg to TCGTemp, Richard Henderson, 2016/11/16
- [Qemu-devel] [RFC 08/14] tcg: Remove unused TCG_CALL_DUMMY_TCGV, Richard Henderson, 2016/11/16
- [Qemu-devel] [RFC 09/14] tcg: More use of arg_index, Richard Henderson, 2016/11/16
- [Qemu-devel] [RFC 10/14] tcg: Map TCG_CALL_DUMMY_ARG to NULL, Richard Henderson, 2016/11/16
- [Qemu-devel] [RFC 13/14] tcg: Use temp number 0 again,
Richard Henderson <=
- [Qemu-devel] [RFC 11/14] tcg: Introduce temp_info for the optimize pass, Richard Henderson, 2016/11/16
- [Qemu-devel] [RFC 12/14] tcg: Store pointers to temporaries directly in TCGArg, Richard Henderson, 2016/11/16
- [Qemu-devel] [RFC 14/14] tcg/optimize: Fold movcond 0/1 into setcond, Richard Henderson, 2016/11/16