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| author | Richard Henderson <richard.henderson@linaro.org> | 2018-11-29 20:52:47 +0000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2018-12-17 06:04:43 +0300 |
| commit | 733589b3382afcb0ae9f43e72e083a5ddd38abd5 (patch) | |
| tree | 126ca9df02ce50b12d8bea56a4a25670bd4564f0 /tcg/aarch64 | |
| parent | 90d6cb781130891f96eb54f8315e29fbd4e99a71 (diff) | |
| download | qemu-733589b3382afcb0ae9f43e72e083a5ddd38abd5.zip qemu-733589b3382afcb0ae9f43e72e083a5ddd38abd5.tar.gz qemu-733589b3382afcb0ae9f43e72e083a5ddd38abd5.tar.bz2 | |
tcg/aarch64: Fold away "noaddr" branch routines
There are one use apiece for these. There is no longer a need for
preserving branch offset operands, as we no longer re-translate.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'tcg/aarch64')
| -rw-r--r-- | tcg/aarch64/tcg-target.inc.c | 21 |
1 files changed, 2 insertions, 19 deletions
diff --git a/tcg/aarch64/tcg-target.inc.c b/tcg/aarch64/tcg-target.inc.c index a41b633..28de022 100644 --- a/tcg/aarch64/tcg-target.inc.c +++ b/tcg/aarch64/tcg-target.inc.c @@ -1129,23 +1129,6 @@ static inline void tcg_out_goto_long(TCGContext *s, tcg_insn_unit *target) } } -static inline void tcg_out_goto_noaddr(TCGContext *s) -{ - /* We pay attention here to not modify the branch target by reading from - the buffer. This ensure that caches and memory are kept coherent during - retranslation. Mask away possible garbage in the high bits for the - first translation, while keeping the offset bits for retranslation. */ - uint32_t old = tcg_in32(s); - tcg_out_insn(s, 3206, B, old); -} - -static inline void tcg_out_goto_cond_noaddr(TCGContext *s, TCGCond c) -{ - /* See comments in tcg_out_goto_noaddr. */ - uint32_t old = tcg_in32(s) >> 5; - tcg_out_insn(s, 3202, B_C, c, old); -} - static inline void tcg_out_callr(TCGContext *s, TCGReg reg) { tcg_out_insn(s, 3207, BLR, reg); @@ -1192,7 +1175,7 @@ static inline void tcg_out_goto_label(TCGContext *s, TCGLabel *l) { if (!l->has_value) { tcg_out_reloc(s, s->code_ptr, R_AARCH64_JUMP26, l, 0); - tcg_out_goto_noaddr(s); + tcg_out_insn(s, 3206, B, 0); } else { tcg_out_goto(s, l->u.value_ptr); } @@ -1523,7 +1506,7 @@ static void tcg_out_tlb_read(TCGContext *s, TCGReg addr_reg, TCGMemOp opc, /* If not equal, we jump to the slow path. */ *label_ptr = s->code_ptr; - tcg_out_goto_cond_noaddr(s, TCG_COND_NE); + tcg_out_insn(s, 3202, B_C, TCG_COND_NE, 0); } #endif /* CONFIG_SOFTMMU */ |