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-rw-r--r--qemu/tcg/tcg-be-ldst.h97
1 files changed, 0 insertions, 97 deletions
diff --git a/qemu/tcg/tcg-be-ldst.h b/qemu/tcg/tcg-be-ldst.h
deleted file mode 100644
index 17777aec5..000000000
--- a/qemu/tcg/tcg-be-ldst.h
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * TCG Backend Data: load-store optimization only.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#ifdef CONFIG_SOFTMMU
-
-typedef struct TCGLabelQemuLdst {
- bool is_ld; /* qemu_ld: true, qemu_st: false */
- TCGMemOpIdx oi;
- TCGType type; /* result type of a load */
- TCGReg addrlo_reg; /* reg index for low word of guest virtual addr */
- TCGReg addrhi_reg; /* reg index for high word of guest virtual addr */
- TCGReg datalo_reg; /* reg index for low word to be loaded or stored */
- TCGReg datahi_reg; /* reg index for high word to be loaded or stored */
- tcg_insn_unit *raddr; /* gen code addr of the next IR of qemu_ld/st IR */
- tcg_insn_unit *label_ptr[2]; /* label pointers to be updated */
- struct TCGLabelQemuLdst *next;
-} TCGLabelQemuLdst;
-
-typedef struct TCGBackendData {
- TCGLabelQemuLdst *labels;
-} TCGBackendData;
-
-
-/*
- * Initialize TB backend data at the beginning of the TB.
- */
-
-static inline void tcg_out_tb_init(TCGContext *s)
-{
- s->be->labels = NULL;
-}
-
-/*
- * Generate TB finalization at the end of block
- */
-
-static void tcg_out_qemu_ld_slow_path(TCGContext *s, TCGLabelQemuLdst *l);
-static void tcg_out_qemu_st_slow_path(TCGContext *s, TCGLabelQemuLdst *l);
-
-static bool tcg_out_tb_finalize(TCGContext *s)
-{
- TCGLabelQemuLdst *lb;
-
- /* qemu_ld/st slow paths */
- for (lb = s->be->labels; lb != NULL; lb = lb->next) {
- if (lb->is_ld) {
- tcg_out_qemu_ld_slow_path(s, lb);
- } else {
- tcg_out_qemu_st_slow_path(s, lb);
- }
-
- /* Test for (pending) buffer overflow. The assumption is that any
- one operation beginning below the high water mark cannot overrun
- the buffer completely. Thus we can test for overflow after
- generating code without having to check during generation. */
- if (unlikely((void *)s->code_ptr > s->code_gen_highwater)) {
- return false;
- }
- }
- return true;
-}
-
-/*
- * Allocate a new TCGLabelQemuLdst entry.
- */
-
-static inline TCGLabelQemuLdst *new_ldst_label(TCGContext *s)
-{
- TCGBackendData *be = s->be;
- TCGLabelQemuLdst *l = tcg_malloc(sizeof(*l));
-
- l->next = be->labels;
- be->labels = l;
- return l;
-}
-#else
-#include "tcg-be-null.h"
-#endif /* CONFIG_SOFTMMU */