vc4: Use named parameters for the NEON inline asm.

This makes the asm code more intelligible and clarifies the functional
change in the next commit.

(commit message and commit squashing by anholt)

diff --git a/src/broadcom/common/v3d_cpu_tiling.h b/src/broadcom/common/v3d_cpu_tiling.h
index 82ac2aef6a626c84b43ec4f47faac53917670527..246d3d6d3ab92b0ae95d3e3ad4188a10587ac927 100644 (file)
--- a/src/broadcom/common/v3d_cpu_tiling.h
+++ b/src/broadcom/common/v3d_cpu_tiling.h
@@ -37,20 +37,22 @@ v3d_load_utile(void *cpu, uint32_t cpu_stride,
                         /* Load from the GPU in one shot, no interleave, to
                          * d0-d7.
                          */
-                        "vldm %0, {q0, q1, q2, q3}\n"
+                        "vldm %[gpu], {q0, q1, q2, q3}\n"
                         /* Store each 8-byte line to cpu-side destination,
                          * incrementing it by the stride each time.
                          */
-                        "vst1.8 d0, [%1], %2\n"
-                        "vst1.8 d1, [%1], %2\n"
-                        "vst1.8 d2, [%1], %2\n"
-                        "vst1.8 d3, [%1], %2\n"
-                        "vst1.8 d4, [%1], %2\n"
-                        "vst1.8 d5, [%1], %2\n"
-                        "vst1.8 d6, [%1], %2\n"
-                        "vst1.8 d7, [%1]\n"
+                        "vst1.8 d0, [%[cpu]], %[cpu_stride]\n"
+                        "vst1.8 d1, [%[cpu]], %[cpu_stride]\n"
+                        "vst1.8 d2, [%[cpu]], %[cpu_stride]\n"
+                        "vst1.8 d3, [%[cpu]], %[cpu_stride]\n"
+                        "vst1.8 d4, [%[cpu]], %[cpu_stride]\n"
+                        "vst1.8 d5, [%[cpu]], %[cpu_stride]\n"
+                        "vst1.8 d6, [%[cpu]], %[cpu_stride]\n"
+                        "vst1.8 d7, [%[cpu]]\n"
                         :
-                        : "r"(gpu), "r"(cpu), "r"(cpu_stride)
+                        : [gpu]         "r"(gpu),
+                          [cpu]         "r"(cpu),
+                          [cpu_stride]  "r"(cpu_stride)
                         : "q0", "q1", "q2", "q3");
                 return;
         } else if (gpu_stride == 16) {
@@ -58,21 +60,24 @@ v3d_load_utile(void *cpu, uint32_t cpu_stride,
                         /* Load from the GPU in one shot, no interleave, to
                          * d0-d7.
                          */
-                        "vldm %0, {q0, q1, q2, q3};\n"
+                        "vldm %[gpu], {q0, q1, q2, q3};\n"
                         /* Store each 16-byte line in 2 parts to the cpu-side
                          * destination.  (vld1 can only store one d-register
                          * at a time).
                          */
-                        "vst1.8 d0, [%1], %3\n"
-                        "vst1.8 d1, [%2], %3\n"
-                        "vst1.8 d2, [%1], %3\n"
-                        "vst1.8 d3, [%2], %3\n"
-                        "vst1.8 d4, [%1], %3\n"
-                        "vst1.8 d5, [%2], %3\n"
-                        "vst1.8 d6, [%1]\n"
-                        "vst1.8 d7, [%2]\n"
+                        "vst1.8 d0, [%[cpu]], %[cpu_stride]\n"
+                        "vst1.8 d1, [%[cpu2]],%[cpu_stride]\n"
+                        "vst1.8 d2, [%[cpu]], %[cpu_stride]\n"
+                        "vst1.8 d3, [%[cpu2]],%[cpu_stride]\n"
+                        "vst1.8 d4, [%[cpu]], %[cpu_stride]\n"
+                        "vst1.8 d5, [%[cpu2]],%[cpu_stride]\n"
+                        "vst1.8 d6, [%[cpu]]\n"
+                        "vst1.8 d7, [%[cpu2]]\n"
                         :
-                        : "r"(gpu), "r"(cpu), "r"(cpu + 8), "r"(cpu_stride)
+                        : [gpu]         "r"(gpu),
+                          [cpu]         "r"(cpu),
+                          [cpu2]        "r"(cpu + 8),
+                          [cpu_stride]  "r"(cpu_stride)
                         : "q0", "q1", "q2", "q3");
                 return;
         }
@@ -82,20 +87,22 @@ v3d_load_utile(void *cpu, uint32_t cpu_stride,
                         /* Load from the GPU in one shot, no interleave, to
                          * d0-d7.
                          */
-                        "ld1 {v0.2d, v1.2d, v2.2d, v3.2d}, [%0]\n"
+                        "ld1 {v0.2d, v1.2d, v2.2d, v3.2d}, [%[gpu]]\n"
                         /* Store each 8-byte line to cpu-side destination,
                          * incrementing it by the stride each time.
                          */
-                        "st1 {v0.D}[0], [%1], %2\n"
-                        "st1 {v0.D}[1], [%1], %2\n"
-                        "st1 {v1.D}[0], [%1], %2\n"
-                        "st1 {v1.D}[1], [%1], %2\n"
-                        "st1 {v2.D}[0], [%1], %2\n"
-                        "st1 {v2.D}[1], [%1], %2\n"
-                        "st1 {v3.D}[0], [%1], %2\n"
-                        "st1 {v3.D}[1], [%1]\n"
+                        "st1 {v0.D}[0], [%[cpu]], %[cpu_stride]\n"
+                        "st1 {v0.D}[1], [%[cpu]], %[cpu_stride]\n"
+                        "st1 {v1.D}[0], [%[cpu]], %[cpu_stride]\n"
+                        "st1 {v1.D}[1], [%[cpu]], %[cpu_stride]\n"
+                        "st1 {v2.D}[0], [%[cpu]], %[cpu_stride]\n"
+                        "st1 {v2.D}[1], [%[cpu]], %[cpu_stride]\n"
+                        "st1 {v3.D}[0], [%[cpu]], %[cpu_stride]\n"
+                        "st1 {v3.D}[1], [%[cpu]]\n"
                         :
-                        : "r"(gpu), "r"(cpu), "r"(cpu_stride)
+                        : [gpu]         "r"(gpu),
+                          [cpu]         "r"(cpu),
+                          [cpu_stride]  "r"(cpu_stride)
                         : "v0", "v1", "v2", "v3");
                 return;
         } else if (gpu_stride == 16) {
@@ -103,21 +110,24 @@ v3d_load_utile(void *cpu, uint32_t cpu_stride,
                         /* Load from the GPU in one shot, no interleave, to
                          * d0-d7.
                          */
-                        "ld1 {v0.2d, v1.2d, v2.2d, v3.2d}, [%0]\n"
+                        "ld1 {v0.2d, v1.2d, v2.2d, v3.2d}, [%[gpu]]\n"
                         /* Store each 16-byte line in 2 parts to the cpu-side
                          * destination.  (vld1 can only store one d-register
                          * at a time).
                          */
-                        "st1 {v0.D}[0], [%1], %3\n"
-                        "st1 {v0.D}[1], [%2], %3\n"
-                        "st1 {v1.D}[0], [%1], %3\n"
-                        "st1 {v1.D}[1], [%2], %3\n"
-                        "st1 {v2.D}[0], [%1], %3\n"
-                        "st1 {v2.D}[1], [%2], %3\n"
-                        "st1 {v3.D}[0], [%1]\n"
-                        "st1 {v3.D}[1], [%2]\n"
+                        "st1 {v0.D}[0], [%[cpu]], %[cpu_stride]\n"
+                        "st1 {v0.D}[1], [%[cpu2]],%[cpu_stride]\n"
+                        "st1 {v1.D}[0], [%[cpu]], %[cpu_stride]\n"
+                        "st1 {v1.D}[1], [%[cpu2]],%[cpu_stride]\n"
+                        "st1 {v2.D}[0], [%[cpu]], %[cpu_stride]\n"
+                        "st1 {v2.D}[1], [%[cpu2]],%[cpu_stride]\n"
+                        "st1 {v3.D}[0], [%[cpu]]\n"
+                        "st1 {v3.D}[1], [%[cpu2]]\n"
                         :
-                        : "r"(gpu), "r"(cpu), "r"(cpu + 8), "r"(cpu_stride)
+                        : [gpu]         "r"(gpu),
+                          [cpu]         "r"(cpu),
+                          [cpu2]        "r"(cpu + 8),
+                          [cpu_stride]  "r"(cpu_stride)
                         : "v0", "v1", "v2", "v3");
                 return;
         }
@@ -139,20 +149,22 @@ v3d_store_utile(void *gpu, uint32_t gpu_stride,
                         /* Load each 8-byte line from cpu-side source,
                          * incrementing it by the stride each time.
                          */
-                        "vld1.8 d0, [%1], %2\n"
-                        "vld1.8 d1, [%1], %2\n"
-                        "vld1.8 d2, [%1], %2\n"
-                        "vld1.8 d3, [%1], %2\n"
-                        "vld1.8 d4, [%1], %2\n"
-                        "vld1.8 d5, [%1], %2\n"
-                        "vld1.8 d6, [%1], %2\n"
-                        "vld1.8 d7, [%1]\n"
+                        "vld1.8 d0, [%[cpu]], %[cpu_stride]\n"
+                        "vld1.8 d1, [%[cpu]], %[cpu_stride]\n"
+                        "vld1.8 d2, [%[cpu]], %[cpu_stride]\n"
+                        "vld1.8 d3, [%[cpu]], %[cpu_stride]\n"
+                        "vld1.8 d4, [%[cpu]], %[cpu_stride]\n"
+                        "vld1.8 d5, [%[cpu]], %[cpu_stride]\n"
+                        "vld1.8 d6, [%[cpu]], %[cpu_stride]\n"
+                        "vld1.8 d7, [%[cpu]]\n"
                         /* Load from the GPU in one shot, no interleave, to
                          * d0-d7.
                          */
-                        "vstm %0, {q0, q1, q2, q3}\n"
+                        "vstm %[gpu], {q0, q1, q2, q3}\n"
                         :
-                        : "r"(gpu), "r"(cpu), "r"(cpu_stride)
+                        : [gpu]         "r"(gpu),
+                          [cpu]         "r"(cpu),
+                          [cpu_stride]  "r"(cpu_stride)
                         : "q0", "q1", "q2", "q3");
                 return;
         } else if (gpu_stride == 16) {
@@ -161,18 +173,21 @@ v3d_store_utile(void *gpu, uint32_t gpu_stride,
                          * destination.  (vld1 can only store one d-register
                          * at a time).
                          */
-                        "vld1.8 d0, [%1], %3\n"
-                        "vld1.8 d1, [%2], %3\n"
-                        "vld1.8 d2, [%1], %3\n"
-                        "vld1.8 d3, [%2], %3\n"
-                        "vld1.8 d4, [%1], %3\n"
-                        "vld1.8 d5, [%2], %3\n"
-                        "vld1.8 d6, [%1]\n"
-                        "vld1.8 d7, [%2]\n"
+                        "vld1.8 d0, [%[cpu]], %[cpu_stride]\n"
+                        "vld1.8 d1, [%[cpu2]],%[cpu_stride]\n"
+                        "vld1.8 d2, [%[cpu]], %[cpu_stride]\n"
+                        "vld1.8 d3, [%[cpu2]],%[cpu_stride]\n"
+                        "vld1.8 d4, [%[cpu]], %[cpu_stride]\n"
+                        "vld1.8 d5, [%[cpu2]],%[cpu_stride]\n"
+                        "vld1.8 d6, [%[cpu]]\n"
+                        "vld1.8 d7, [%[cpu2]]\n"
                         /* Store to the GPU in one shot, no interleave. */
-                        "vstm %0, {q0, q1, q2, q3}\n"
+                        "vstm %[gpu], {q0, q1, q2, q3}\n"
                         :
-                        : "r"(gpu), "r"(cpu), "r"(cpu + 8), "r"(cpu_stride)
+                        : [gpu]         "r"(gpu),
+                          [cpu]         "r"(cpu),
+                          [cpu2]        "r"(cpu + 8),
+                          [cpu_stride]  "r"(cpu_stride)
                         : "q0", "q1", "q2", "q3");
                 return;
         }
@@ -182,18 +197,20 @@ v3d_store_utile(void *gpu, uint32_t gpu_stride,
                         /* Load each 8-byte line from cpu-side source,
                          * incrementing it by the stride each time.
                          */
-                        "ld1 {v0.D}[0], [%1], %2\n"
-                        "ld1 {v0.D}[1], [%1], %2\n"
-                        "ld1 {v1.D}[0], [%1], %2\n"
-                        "ld1 {v1.D}[1], [%1], %2\n"
-                        "ld1 {v2.D}[0], [%1], %2\n"
-                        "ld1 {v2.D}[1], [%1], %2\n"
-                        "ld1 {v3.D}[0], [%1], %2\n"
-                        "ld1 {v3.D}[1], [%1]\n"
+                        "ld1 {v0.D}[0], [%[cpu]], %[cpu_stride]\n"
+                        "ld1 {v0.D}[1], [%[cpu]], %[cpu_stride]\n"
+                        "ld1 {v1.D}[0], [%[cpu]], %[cpu_stride]\n"
+                        "ld1 {v1.D}[1], [%[cpu]], %[cpu_stride]\n"
+                        "ld1 {v2.D}[0], [%[cpu]], %[cpu_stride]\n"
+                        "ld1 {v2.D}[1], [%[cpu]], %[cpu_stride]\n"
+                        "ld1 {v3.D}[0], [%[cpu]], %[cpu_stride]\n"
+                        "ld1 {v3.D}[1], [%[cpu]]\n"
                         /* Store to the GPU in one shot, no interleave. */
-                        "st1 {v0.2d, v1.2d, v2.2d, v3.2d}, [%0]\n"
+                        "st1 {v0.2d, v1.2d, v2.2d, v3.2d}, [%[gpu]]\n"
                         :
-                        : "r"(gpu), "r"(cpu), "r"(cpu_stride)
+                        : [gpu]         "r"(gpu),
+                          [cpu]         "r"(cpu),
+                          [cpu_stride]  "r"(cpu_stride)
                         : "v0", "v1", "v2", "v3");
                 return;
         } else if (gpu_stride == 16) {
@@ -202,18 +219,21 @@ v3d_store_utile(void *gpu, uint32_t gpu_stride,
                          * destination.  (vld1 can only store one d-register
                          * at a time).
                          */
-                        "ld1 {v0.D}[0], [%1], %3\n"
-                        "ld1 {v0.D}[1], [%2], %3\n"
-                        "ld1 {v1.D}[0], [%1], %3\n"
-                        "ld1 {v1.D}[1], [%2], %3\n"
-                        "ld1 {v2.D}[0], [%1], %3\n"
-                        "ld1 {v2.D}[1], [%2], %3\n"
-                        "ld1 {v3.D}[0], [%1]\n"
-                        "ld1 {v3.D}[1], [%2]\n"
+                        "ld1 {v0.D}[0], [%[cpu]], %[cpu_stride]\n"
+                        "ld1 {v0.D}[1], [%[cpu2]],%[cpu_stride]\n"
+                        "ld1 {v1.D}[0], [%[cpu]], %[cpu_stride]\n"
+                        "ld1 {v1.D}[1], [%[cpu2]],%[cpu_stride]\n"
+                        "ld1 {v2.D}[0], [%[cpu]], %[cpu_stride]\n"
+                        "ld1 {v2.D}[1], [%[cpu2]],%[cpu_stride]\n"
+                        "ld1 {v3.D}[0], [%[cpu]]\n"
+                        "ld1 {v3.D}[1], [%[cpu2]]\n"
                         /* Store to the GPU in one shot, no interleave. */
-                        "st1 {v0.2d, v1.2d, v2.2d, v3.2d}, [%0]\n"
+                        "st1 {v0.2d, v1.2d, v2.2d, v3.2d}, [%[gpu]]\n"
                         :
-                        : "r"(gpu), "r"(cpu), "r"(cpu + 8), "r"(cpu_stride)
+                        : [gpu]         "r"(gpu),
+                          [cpu]         "r"(cpu),
+                          [cpu2]        "r"(cpu + 8),
+                          [cpu_stride]  "r"(cpu_stride)
                         : "v0", "v1", "v2", "v3");
                 return;
         }