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authorRichard Henderson <richard.henderson@linaro.org>2023-03-30 08:09:03 -0700
committerRichard Henderson <richard.henderson@linaro.org>2023-06-05 12:04:29 -0700
commit177f648f0eacfd1a2b9a562a52297474b17b9adf (patch)
tree2d01bd4265232e825edb7a43d59bd67dc86dba4b /tcg
parentd53106c997e5c8e61e37ae9ff9f0e1f243b03968 (diff)
tcg: Move temp_idx and tcgv_i32_temp debug out of line
Removes a multiplicity of calls to __assert_fail, saving up to 360kiB of .text space as measured on an x86_64 host. Old New Less %Change 9257272 8888680 368592 3.98% qemu-system-aarch64 6100968 5911832 189136 3.10% qemu-system-riscv64 5839112 5707032 132080 2.26% qemu-system-mips 4447608 4341752 105856 2.38% qemu-system-s390x Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg')
-rw-r--r--tcg/tcg.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/tcg/tcg.c b/tcg/tcg.c
index ffd3ccaff7..59624fceec 100644
--- a/tcg/tcg.c
+++ b/tcg/tcg.c
@@ -1800,6 +1800,25 @@ TCGv_vec tcg_constant_vec_matching(TCGv_vec match, unsigned vece, int64_t val)
return tcg_constant_vec(t->base_type, vece, val);
}
+#ifdef CONFIG_DEBUG_TCG
+size_t temp_idx(TCGTemp *ts)
+{
+ ptrdiff_t n = ts - tcg_ctx->temps;
+ assert(n >= 0 && n < tcg_ctx->nb_temps);
+ return n;
+}
+
+TCGTemp *tcgv_i32_temp(TCGv_i32 v)
+{
+ uintptr_t o = (uintptr_t)v - offsetof(TCGContext, temps);
+
+ assert(o < sizeof(TCGTemp) * tcg_ctx->nb_temps);
+ assert(o % sizeof(TCGTemp) == 0);
+
+ return (void *)tcg_ctx + (uintptr_t)v;
+}
+#endif /* CONFIG_DEBUG_TCG */
+
/* Return true if OP may appear in the opcode stream.
Test the runtime variable that controls each opcode. */
bool tcg_op_supported(TCGOpcode op)