tcg: Introduce tcg_type_size
Add a helper function for computing the size of a type. Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
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@ -319,6 +319,22 @@ typedef enum TCGType {
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#endif
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#endif
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} TCGType;
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} TCGType;
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/**
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* tcg_type_size
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* @t: type
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*
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* Return the size of the type in bytes.
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*/
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static inline int tcg_type_size(TCGType t)
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{
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unsigned i = t;
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if (i >= TCG_TYPE_V64) {
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tcg_debug_assert(i < TCG_TYPE_COUNT);
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i -= TCG_TYPE_V64 - 1;
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}
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return 4 << i;
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}
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/**
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/**
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* get_alignment_bits
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* get_alignment_bits
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* @memop: MemOp value
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* @memop: MemOp value
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27
tcg/tcg.c
27
tcg/tcg.c
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@ -3038,22 +3038,22 @@ static bool liveness_pass_2(TCGContext *s)
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static void temp_allocate_frame(TCGContext *s, TCGTemp *ts)
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static void temp_allocate_frame(TCGContext *s, TCGTemp *ts)
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{
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{
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intptr_t off, size, align;
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int size = tcg_type_size(ts->type);
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int align;
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intptr_t off;
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switch (ts->type) {
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switch (ts->type) {
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case TCG_TYPE_I32:
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case TCG_TYPE_I32:
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size = align = 4;
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align = 4;
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break;
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break;
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case TCG_TYPE_I64:
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case TCG_TYPE_I64:
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case TCG_TYPE_V64:
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case TCG_TYPE_V64:
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size = align = 8;
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align = 8;
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break;
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break;
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case TCG_TYPE_V128:
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case TCG_TYPE_V128:
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size = align = 16;
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break;
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case TCG_TYPE_V256:
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case TCG_TYPE_V256:
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/* Note that we do not require aligned storage for V256. */
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/* Note that we do not require aligned storage for V256. */
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size = 32, align = 16;
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align = 16;
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break;
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break;
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default:
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default:
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g_assert_not_reached();
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g_assert_not_reached();
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@ -3593,8 +3593,8 @@ static void tcg_reg_alloc_dup(TCGContext *s, const TCGOp *op)
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TCGRegSet dup_out_regs, dup_in_regs;
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TCGRegSet dup_out_regs, dup_in_regs;
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TCGTemp *its, *ots;
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TCGTemp *its, *ots;
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TCGType itype, vtype;
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TCGType itype, vtype;
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intptr_t endian_fixup;
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unsigned vece;
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unsigned vece;
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int lowpart_ofs;
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bool ok;
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bool ok;
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ots = arg_temp(op->args[0]);
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ots = arg_temp(op->args[0]);
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@ -3662,15 +3662,12 @@ static void tcg_reg_alloc_dup(TCGContext *s, const TCGOp *op)
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/* fall through */
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/* fall through */
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case TEMP_VAL_MEM:
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case TEMP_VAL_MEM:
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#if HOST_BIG_ENDIAN
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lowpart_ofs = 0;
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endian_fixup = itype == TCG_TYPE_I32 ? 4 : 8;
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if (HOST_BIG_ENDIAN) {
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endian_fixup -= 1 << vece;
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lowpart_ofs = tcg_type_size(itype) - (1 << vece);
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#else
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}
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endian_fixup = 0;
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#endif
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/* Attempt to dup directly from the input memory slot. */
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if (tcg_out_dupm_vec(s, vtype, vece, ots->reg, its->mem_base->reg,
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if (tcg_out_dupm_vec(s, vtype, vece, ots->reg, its->mem_base->reg,
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its->mem_offset + endian_fixup)) {
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its->mem_offset + lowpart_ofs)) {
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goto done;
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goto done;
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}
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}
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/* Load the input into the destination vector register. */
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/* Load the input into the destination vector register. */
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