Module: Mesa
Branch: master
Commit: ce7a045feeef8cad155f1c9aa07f166e146e3d00
URL:    
http://cgit.freedesktop.org/mesa/mesa/commit/?id=ce7a045feeef8cad155f1c9aa07f166e146e3d00

Author: Ilia Mirkin <[email protected]>
Date:   Mon Jan 23 20:53:50 2017 -0500

r600g: use ieee variants of multiplication instructions

This matches the behavior of most other drivers, including nouveau,
radeonsi, and i965.

Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>

---

 src/gallium/drivers/r600/r600_shader.c     | 36 +++++++++++++++---------------
 src/gallium/drivers/r600/sb/sb_ra_init.cpp |  1 +
 2 files changed, 19 insertions(+), 18 deletions(-)

diff --git a/src/gallium/drivers/r600/r600_shader.c 
b/src/gallium/drivers/r600/r600_shader.c
index d3f34dd..b692e7f 100644
--- a/src/gallium/drivers/r600/r600_shader.c
+++ b/src/gallium/drivers/r600/r600_shader.c
@@ -9080,16 +9080,16 @@ static const struct r600_shader_tgsi_instruction 
r600_shader_tgsi_instruction[]
        [TGSI_OPCODE_RSQ]       = { ALU_OP0_NOP, tgsi_rsq},
        [TGSI_OPCODE_EXP]       = { ALU_OP0_NOP, tgsi_exp},
        [TGSI_OPCODE_LOG]       = { ALU_OP0_NOP, tgsi_log},
-       [TGSI_OPCODE_MUL]       = { ALU_OP2_MUL, tgsi_op2},
+       [TGSI_OPCODE_MUL]       = { ALU_OP2_MUL_IEEE, tgsi_op2},
        [TGSI_OPCODE_ADD]       = { ALU_OP2_ADD, tgsi_op2},
-       [TGSI_OPCODE_DP3]       = { ALU_OP2_DOT4, tgsi_dp},
-       [TGSI_OPCODE_DP4]       = { ALU_OP2_DOT4, tgsi_dp},
+       [TGSI_OPCODE_DP3]       = { ALU_OP2_DOT4_IEEE, tgsi_dp},
+       [TGSI_OPCODE_DP4]       = { ALU_OP2_DOT4_IEEE, tgsi_dp},
        [TGSI_OPCODE_DST]       = { ALU_OP0_NOP, tgsi_opdst},
        [TGSI_OPCODE_MIN]       = { ALU_OP2_MIN, tgsi_op2},
        [TGSI_OPCODE_MAX]       = { ALU_OP2_MAX, tgsi_op2},
        [TGSI_OPCODE_SLT]       = { ALU_OP2_SETGT, tgsi_op2_swap},
        [TGSI_OPCODE_SGE]       = { ALU_OP2_SETGE, tgsi_op2},
-       [TGSI_OPCODE_MAD]       = { ALU_OP3_MULADD, tgsi_op3},
+       [TGSI_OPCODE_MAD]       = { ALU_OP3_MULADD_IEEE, tgsi_op3},
        [TGSI_OPCODE_LRP]       = { ALU_OP0_NOP, tgsi_lrp},
        [TGSI_OPCODE_FMA]       = { ALU_OP0_NOP, tgsi_unsupported},
        [TGSI_OPCODE_SQRT]      = { ALU_OP1_SQRT_IEEE, 
tgsi_trans_srcx_replicate},
@@ -9107,7 +9107,7 @@ static const struct r600_shader_tgsi_instruction 
r600_shader_tgsi_instruction[]
        [32]                    = { ALU_OP0_NOP, tgsi_unsupported},
        [33]                    = { ALU_OP0_NOP, tgsi_unsupported},
        [34]                    = { ALU_OP0_NOP, tgsi_unsupported},
-       [TGSI_OPCODE_DPH]       = { ALU_OP2_DOT4, tgsi_dp},
+       [TGSI_OPCODE_DPH]       = { ALU_OP2_DOT4_IEEE, tgsi_dp},
        [TGSI_OPCODE_COS]       = { ALU_OP1_COS, tgsi_trig},
        [TGSI_OPCODE_DDX]       = { FETCH_OP_GET_GRADIENTS_H, tgsi_tex},
        [TGSI_OPCODE_DDY]       = { FETCH_OP_GET_GRADIENTS_V, tgsi_tex},
@@ -9143,7 +9143,7 @@ static const struct r600_shader_tgsi_instruction 
r600_shader_tgsi_instruction[]
        [TGSI_OPCODE_TXB]       = { FETCH_OP_SAMPLE_LB, tgsi_tex},
        [69]                    = { ALU_OP0_NOP, tgsi_unsupported},
        [TGSI_OPCODE_DIV]       = { ALU_OP0_NOP, tgsi_unsupported},
-       [TGSI_OPCODE_DP2]       = { ALU_OP2_DOT4, tgsi_dp},
+       [TGSI_OPCODE_DP2]       = { ALU_OP2_DOT4_IEEE, tgsi_dp},
        [TGSI_OPCODE_TXL]       = { FETCH_OP_SAMPLE_L, tgsi_tex},
        [TGSI_OPCODE_BRK]       = { CF_OP_LOOP_BREAK, tgsi_loop_brk_cont},
        [TGSI_OPCODE_IF]        = { ALU_OP0_NOP, tgsi_if},
@@ -9278,16 +9278,16 @@ static const struct r600_shader_tgsi_instruction 
eg_shader_tgsi_instruction[] =
        [TGSI_OPCODE_RSQ]       = { ALU_OP1_RECIPSQRT_IEEE, tgsi_rsq},
        [TGSI_OPCODE_EXP]       = { ALU_OP0_NOP, tgsi_exp},
        [TGSI_OPCODE_LOG]       = { ALU_OP0_NOP, tgsi_log},
-       [TGSI_OPCODE_MUL]       = { ALU_OP2_MUL, tgsi_op2},
+       [TGSI_OPCODE_MUL]       = { ALU_OP2_MUL_IEEE, tgsi_op2},
        [TGSI_OPCODE_ADD]       = { ALU_OP2_ADD, tgsi_op2},
-       [TGSI_OPCODE_DP3]       = { ALU_OP2_DOT4, tgsi_dp},
-       [TGSI_OPCODE_DP4]       = { ALU_OP2_DOT4, tgsi_dp},
+       [TGSI_OPCODE_DP3]       = { ALU_OP2_DOT4_IEEE, tgsi_dp},
+       [TGSI_OPCODE_DP4]       = { ALU_OP2_DOT4_IEEE, tgsi_dp},
        [TGSI_OPCODE_DST]       = { ALU_OP0_NOP, tgsi_opdst},
        [TGSI_OPCODE_MIN]       = { ALU_OP2_MIN, tgsi_op2},
        [TGSI_OPCODE_MAX]       = { ALU_OP2_MAX, tgsi_op2},
        [TGSI_OPCODE_SLT]       = { ALU_OP2_SETGT, tgsi_op2_swap},
        [TGSI_OPCODE_SGE]       = { ALU_OP2_SETGE, tgsi_op2},
-       [TGSI_OPCODE_MAD]       = { ALU_OP3_MULADD, tgsi_op3},
+       [TGSI_OPCODE_MAD]       = { ALU_OP3_MULADD_IEEE, tgsi_op3},
        [TGSI_OPCODE_LRP]       = { ALU_OP0_NOP, tgsi_lrp},
        [TGSI_OPCODE_FMA]       = { ALU_OP3_FMA, tgsi_op3},
        [TGSI_OPCODE_SQRT]      = { ALU_OP1_SQRT_IEEE, 
tgsi_trans_srcx_replicate},
@@ -9305,7 +9305,7 @@ static const struct r600_shader_tgsi_instruction 
eg_shader_tgsi_instruction[] =
        [32]                    = { ALU_OP0_NOP, tgsi_unsupported},
        [33]                    = { ALU_OP0_NOP, tgsi_unsupported},
        [34]                    = { ALU_OP0_NOP, tgsi_unsupported},
-       [TGSI_OPCODE_DPH]       = { ALU_OP2_DOT4, tgsi_dp},
+       [TGSI_OPCODE_DPH]       = { ALU_OP2_DOT4_IEEE, tgsi_dp},
        [TGSI_OPCODE_COS]       = { ALU_OP1_COS, tgsi_trig},
        [TGSI_OPCODE_DDX]       = { FETCH_OP_GET_GRADIENTS_H, tgsi_tex},
        [TGSI_OPCODE_DDY]       = { FETCH_OP_GET_GRADIENTS_V, tgsi_tex},
@@ -9341,7 +9341,7 @@ static const struct r600_shader_tgsi_instruction 
eg_shader_tgsi_instruction[] =
        [TGSI_OPCODE_TXB]       = { FETCH_OP_SAMPLE_LB, tgsi_tex},
        [69]                    = { ALU_OP0_NOP, tgsi_unsupported},
        [TGSI_OPCODE_DIV]       = { ALU_OP0_NOP, tgsi_unsupported},
-       [TGSI_OPCODE_DP2]       = { ALU_OP2_DOT4, tgsi_dp},
+       [TGSI_OPCODE_DP2]       = { ALU_OP2_DOT4_IEEE, tgsi_dp},
        [TGSI_OPCODE_TXL]       = { FETCH_OP_SAMPLE_L, tgsi_tex},
        [TGSI_OPCODE_BRK]       = { CF_OP_LOOP_BREAK, tgsi_loop_brk_cont},
        [TGSI_OPCODE_IF]        = { ALU_OP0_NOP, tgsi_if},
@@ -9501,16 +9501,16 @@ static const struct r600_shader_tgsi_instruction 
cm_shader_tgsi_instruction[] =
        [TGSI_OPCODE_RSQ]       = { ALU_OP1_RECIPSQRT_IEEE, 
cayman_emit_float_instr},
        [TGSI_OPCODE_EXP]       = { ALU_OP0_NOP, tgsi_exp},
        [TGSI_OPCODE_LOG]       = { ALU_OP0_NOP, tgsi_log},
-       [TGSI_OPCODE_MUL]       = { ALU_OP2_MUL, tgsi_op2},
+       [TGSI_OPCODE_MUL]       = { ALU_OP2_MUL_IEEE, tgsi_op2},
        [TGSI_OPCODE_ADD]       = { ALU_OP2_ADD, tgsi_op2},
-       [TGSI_OPCODE_DP3]       = { ALU_OP2_DOT4, tgsi_dp},
-       [TGSI_OPCODE_DP4]       = { ALU_OP2_DOT4, tgsi_dp},
+       [TGSI_OPCODE_DP3]       = { ALU_OP2_DOT4_IEEE, tgsi_dp},
+       [TGSI_OPCODE_DP4]       = { ALU_OP2_DOT4_IEEE, tgsi_dp},
        [TGSI_OPCODE_DST]       = { ALU_OP0_NOP, tgsi_opdst},
        [TGSI_OPCODE_MIN]       = { ALU_OP2_MIN, tgsi_op2},
        [TGSI_OPCODE_MAX]       = { ALU_OP2_MAX, tgsi_op2},
        [TGSI_OPCODE_SLT]       = { ALU_OP2_SETGT, tgsi_op2_swap},
        [TGSI_OPCODE_SGE]       = { ALU_OP2_SETGE, tgsi_op2},
-       [TGSI_OPCODE_MAD]       = { ALU_OP3_MULADD, tgsi_op3},
+       [TGSI_OPCODE_MAD]       = { ALU_OP3_MULADD_IEEE, tgsi_op3},
        [TGSI_OPCODE_LRP]       = { ALU_OP0_NOP, tgsi_lrp},
        [TGSI_OPCODE_FMA]       = { ALU_OP3_FMA, tgsi_op3},
        [TGSI_OPCODE_SQRT]      = { ALU_OP1_SQRT_IEEE, cayman_emit_float_instr},
@@ -9528,7 +9528,7 @@ static const struct r600_shader_tgsi_instruction 
cm_shader_tgsi_instruction[] =
        [32]                    = { ALU_OP0_NOP, tgsi_unsupported},
        [33]                    = { ALU_OP0_NOP, tgsi_unsupported},
        [34]                    = { ALU_OP0_NOP, tgsi_unsupported},
-       [TGSI_OPCODE_DPH]       = { ALU_OP2_DOT4, tgsi_dp},
+       [TGSI_OPCODE_DPH]       = { ALU_OP2_DOT4_IEEE, tgsi_dp},
        [TGSI_OPCODE_COS]       = { ALU_OP1_COS, cayman_trig},
        [TGSI_OPCODE_DDX]       = { FETCH_OP_GET_GRADIENTS_H, tgsi_tex},
        [TGSI_OPCODE_DDY]       = { FETCH_OP_GET_GRADIENTS_V, tgsi_tex},
@@ -9564,7 +9564,7 @@ static const struct r600_shader_tgsi_instruction 
cm_shader_tgsi_instruction[] =
        [TGSI_OPCODE_TXB]       = { FETCH_OP_SAMPLE_LB, tgsi_tex},
        [69]                    = { ALU_OP0_NOP, tgsi_unsupported},
        [TGSI_OPCODE_DIV]       = { ALU_OP0_NOP, tgsi_unsupported},
-       [TGSI_OPCODE_DP2]       = { ALU_OP2_DOT4, tgsi_dp},
+       [TGSI_OPCODE_DP2]       = { ALU_OP2_DOT4_IEEE, tgsi_dp},
        [TGSI_OPCODE_TXL]       = { FETCH_OP_SAMPLE_L, tgsi_tex},
        [TGSI_OPCODE_BRK]       = { CF_OP_LOOP_BREAK, tgsi_loop_brk_cont},
        [TGSI_OPCODE_IF]        = { ALU_OP0_NOP, tgsi_if},
diff --git a/src/gallium/drivers/r600/sb/sb_ra_init.cpp 
b/src/gallium/drivers/r600/sb/sb_ra_init.cpp
index 95b9290..68ee982 100644
--- a/src/gallium/drivers/r600/sb/sb_ra_init.cpp
+++ b/src/gallium/drivers/r600/sb/sb_ra_init.cpp
@@ -689,6 +689,7 @@ void ra_split::split_packed_ins(alu_packed_node *n) {
 void ra_split::split_alu_packed(alu_packed_node* n) {
        switch (n->op()) {
                case ALU_OP2_DOT4:
+               case ALU_OP2_DOT4_IEEE:
                case ALU_OP2_CUBE:
                        split_packed_ins(n);
                        break;

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