jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
tcg: Add tcg_gen_gvec_5_ptr
Extend the vector generator infrastructure to handle
5 vector arguments.
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
+39
+7
include/tcg/tcg-op-gvec.h
+7
include/tcg/tcg-op-gvec.h
···
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uint32_t maxsz, int32_t data,
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gen_helper_gvec_4_ptr *fn);
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typedef void gen_helper_gvec_5_ptr(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr,
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TCGv_ptr, TCGv_ptr, TCGv_i32);
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void tcg_gen_gvec_5_ptr(uint32_t dofs, uint32_t aofs, uint32_t bofs,
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uint32_t cofs, uint32_t eofs, TCGv_ptr ptr,
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uint32_t oprsz, uint32_t maxsz, int32_t data,
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gen_helper_gvec_5_ptr *fn);
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/* Expand a gvec operation. Either inline or out-of-line depending on
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the actual vector size and the operations supported by the host. */
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typedef struct {
+32
tcg/tcg-op-gvec.c
+32
tcg/tcg-op-gvec.c
···
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tcg_temp_free_i32(desc);
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}
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/* Generate a call to a gvec-style helper with five vector operands
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and an extra pointer operand. */
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void tcg_gen_gvec_5_ptr(uint32_t dofs, uint32_t aofs, uint32_t bofs,
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uint32_t cofs, uint32_t eofs, TCGv_ptr ptr,
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uint32_t oprsz, uint32_t maxsz, int32_t data,
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gen_helper_gvec_5_ptr *fn)
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{
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TCGv_ptr a0, a1, a2, a3, a4;
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TCGv_i32 desc = tcg_const_i32(simd_desc(oprsz, maxsz, data));
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a0 = tcg_temp_new_ptr();
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a1 = tcg_temp_new_ptr();
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a2 = tcg_temp_new_ptr();
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a3 = tcg_temp_new_ptr();
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a4 = tcg_temp_new_ptr();
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tcg_gen_addi_ptr(a0, cpu_env, dofs);
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tcg_gen_addi_ptr(a1, cpu_env, aofs);
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tcg_gen_addi_ptr(a2, cpu_env, bofs);
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tcg_gen_addi_ptr(a3, cpu_env, cofs);
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tcg_gen_addi_ptr(a4, cpu_env, eofs);
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fn(a0, a1, a2, a3, a4, ptr, desc);
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tcg_temp_free_ptr(a0);
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tcg_temp_free_ptr(a1);
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tcg_temp_free_ptr(a2);
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tcg_temp_free_ptr(a3);
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tcg_temp_free_ptr(a4);
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tcg_temp_free_i32(desc);
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}
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/* Return true if we want to implement something of OPRSZ bytes
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in units of LNSZ. This limits the expansion of inline code. */
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static inline bool check_size_impl(uint32_t oprsz, uint32_t lnsz)