qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PATCH 1/2] tcg: Add tcg_gen_gvec_5_ptr


From: Philippe Mathieu-Daudé
Subject: Re: [PATCH 1/2] tcg: Add tcg_gen_gvec_5_ptr
Date: Wed, 12 Feb 2020 07:09:52 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1

On 2/12/20 3:51 AM, Richard Henderson wrote:
Extend the vector generator infrastructure to handle
5 vector arguments.

Signed-off-by: Richard Henderson <address@hidden>
---
  include/tcg/tcg-op-gvec.h |  7 +++++++
  tcg/tcg-op-gvec.c         | 32 ++++++++++++++++++++++++++++++++
  2 files changed, 39 insertions(+)

diff --git a/include/tcg/tcg-op-gvec.h b/include/tcg/tcg-op-gvec.h
index 830d68f697..74534e2480 100644
--- a/include/tcg/tcg-op-gvec.h
+++ b/include/tcg/tcg-op-gvec.h
@@ -83,6 +83,13 @@ void tcg_gen_gvec_4_ptr(uint32_t dofs, uint32_t aofs, 
uint32_t bofs,
                          uint32_t maxsz, int32_t data,
                          gen_helper_gvec_4_ptr *fn);
+typedef void gen_helper_gvec_5_ptr(TCGv_ptr, TCGv_ptr, TCGv_ptr, TCGv_ptr,
+                                   TCGv_ptr, TCGv_ptr, TCGv_i32);
+void tcg_gen_gvec_5_ptr(uint32_t dofs, uint32_t aofs, uint32_t bofs,
+                        uint32_t cofs, uint32_t eofs, TCGv_ptr ptr,
+                        uint32_t oprsz, uint32_t maxsz, int32_t data,
+                        gen_helper_gvec_5_ptr *fn);
+
  /* Expand a gvec operation.  Either inline or out-of-line depending on
     the actual vector size and the operations supported by the host.  */
  typedef struct {
diff --git a/tcg/tcg-op-gvec.c b/tcg/tcg-op-gvec.c
index 41b4a3c661..327d9588e0 100644
--- a/tcg/tcg-op-gvec.c
+++ b/tcg/tcg-op-gvec.c
@@ -290,6 +290,38 @@ void tcg_gen_gvec_4_ptr(uint32_t dofs, uint32_t aofs, 
uint32_t bofs,
      tcg_temp_free_i32(desc);
  }
+/* Generate a call to a gvec-style helper with five vector operands
+   and an extra pointer operand.  */
+void tcg_gen_gvec_5_ptr(uint32_t dofs, uint32_t aofs, uint32_t bofs,
+                        uint32_t cofs, uint32_t eofs, TCGv_ptr ptr,
+                        uint32_t oprsz, uint32_t maxsz, int32_t data,
+                        gen_helper_gvec_5_ptr *fn)
+{
+    TCGv_ptr a0, a1, a2, a3, a4;
+    TCGv_i32 desc = tcg_const_i32(simd_desc(oprsz, maxsz, data));
+
+    a0 = tcg_temp_new_ptr();
+    a1 = tcg_temp_new_ptr();
+    a2 = tcg_temp_new_ptr();
+    a3 = tcg_temp_new_ptr();
+    a4 = tcg_temp_new_ptr();
+
+    tcg_gen_addi_ptr(a0, cpu_env, dofs);
+    tcg_gen_addi_ptr(a1, cpu_env, aofs);
+    tcg_gen_addi_ptr(a2, cpu_env, bofs);
+    tcg_gen_addi_ptr(a3, cpu_env, cofs);
+    tcg_gen_addi_ptr(a4, cpu_env, eofs);
+
+    fn(a0, a1, a2, a3, a4, ptr, desc);
+
+    tcg_temp_free_ptr(a0);
+    tcg_temp_free_ptr(a1);
+    tcg_temp_free_ptr(a2);
+    tcg_temp_free_ptr(a3);
+    tcg_temp_free_ptr(a4);
+    tcg_temp_free_i32(desc);
+}
+
  /* Return true if we want to implement something of OPRSZ bytes
     in units of LNSZ.  This limits the expansion of inline code.  */
  static inline bool check_size_impl(uint32_t oprsz, uint32_t lnsz)


Reviewed-by: Philippe Mathieu-Daudé <address@hidden>




reply via email to

[Prev in Thread] Current Thread [Next in Thread]