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authorMartin Liska <mliska@suse.cz>2022-10-08 10:19:23 +0200
committerMartin Liska <mliska@suse.cz>2022-10-08 10:19:23 +0200
commitd9e7934d25da4a78ffef1f738206aa1d897911df (patch)
tree1bd1697c14259e095f4b4790946eae7df0c5a2e3 /gcc/config/rs6000
parentda0970e441345f8349522ff1abac5c223044ebb1 (diff)
parent6ffbf87ca66f4ed9cd79cff675fabe2109e46e85 (diff)
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Merge branch 'master' into devel/sphinx
Diffstat (limited to 'gcc/config/rs6000')
-rw-r--r--gcc/config/rs6000/constraints.md6
-rw-r--r--gcc/config/rs6000/vsx.md85
2 files changed, 40 insertions, 51 deletions
diff --git a/gcc/config/rs6000/constraints.md b/gcc/config/rs6000/constraints.md
index 5a44a92..54fef8d 100644
--- a/gcc/config/rs6000/constraints.md
+++ b/gcc/config/rs6000/constraints.md
@@ -107,12 +107,6 @@
(match_test "TARGET_P8_VECTOR")
(match_operand 0 "s5bit_cint_operand")))
-(define_constraint "wD"
- "@internal Int constant that is the element number of the 64-bit scalar
- in a vector."
- (and (match_code "const_int")
- (match_test "TARGET_VSX && (ival == VECTOR_ELEMENT_SCALAR_64BIT)")))
-
(define_constraint "wE"
"@internal Vector constant that can be loaded with the XXSPLTIB instruction."
(match_test "xxspltib_constant_nosplit (op, mode)"))
diff --git a/gcc/config/rs6000/vsx.md b/gcc/config/rs6000/vsx.md
index e226a93..e0e34a7 100644
--- a/gcc/config/rs6000/vsx.md
+++ b/gcc/config/rs6000/vsx.md
@@ -3388,59 +3388,53 @@
;; Optimize cases were we can do a simple or direct move.
;; Or see if we can avoid doing the move at all
-(define_insn "vsx_extract_<mode>"
- [(set (match_operand:<VEC_base> 0 "gpc_reg_operand" "=wa, wa, wr, wr")
+(define_expand "vsx_extract_<mode>"
+ [(set (match_operand:<VEC_base> 0 "gpc_reg_operand")
(vec_select:<VEC_base>
- (match_operand:VSX_D 1 "gpc_reg_operand" "wa, wa, wa, wa")
+ (match_operand:VSX_D 1 "gpc_reg_operand")
(parallel
- [(match_operand:QI 2 "const_0_to_1_operand" "wD, n, wD, n")])))]
+ [(match_operand:QI 2 "const_0_to_1_operand")])))]
"VECTOR_MEM_VSX_P (<MODE>mode)"
-{
- int element = INTVAL (operands[2]);
- int op0_regno = REGNO (operands[0]);
- int op1_regno = REGNO (operands[1]);
- int fldDM;
-
- gcc_assert (IN_RANGE (element, 0, 1));
- gcc_assert (VSX_REGNO_P (op1_regno));
-
- if (element == VECTOR_ELEMENT_SCALAR_64BIT)
- {
- if (op0_regno == op1_regno)
- return ASM_COMMENT_START " vec_extract to same register";
-
- else if (INT_REGNO_P (op0_regno) && TARGET_DIRECT_MOVE
- && TARGET_POWERPC64)
- return "mfvsrd %0,%x1";
+ "")
- else if (FP_REGNO_P (op0_regno) && FP_REGNO_P (op1_regno))
- return "fmr %0,%1";
+(define_insn "*vsx_extract_<mode>_0"
+ [(set (match_operand:<VEC_base> 0 "gpc_reg_operand" "=wa,wa,wr")
+ (vec_select:<VEC_base>
+ (match_operand:VSX_D 1 "gpc_reg_operand" "0,wa,wa")
+ (parallel
+ [(match_operand:QI 2 "const_0_to_1_operand" "n,n,n")])))]
+ "VECTOR_MEM_VSX_P (<MODE>mode)
+ && INTVAL (operands[2]) == (BYTES_BIG_ENDIAN ? 0 : 1)"
+{
+ if (which_alternative == 0)
+ return ASM_COMMENT_START " vec_extract to same register";
- else if (VSX_REGNO_P (op0_regno))
- return "xxlor %x0,%x1,%x1";
+ if (which_alternative == 2)
+ return "mfvsrd %0,%x1";
- else
- gcc_unreachable ();
- }
+ return "xxlor %x0,%x1,%x1";
+}
+ [(set_attr "type" "*,veclogical,mfvsr")
+ (set_attr "isa" "*,*,p8v")
+ (set_attr "length" "0,*,*")])
- else if (element == VECTOR_ELEMENT_MFVSRLD_64BIT && INT_REGNO_P (op0_regno)
- && TARGET_P9_VECTOR && TARGET_POWERPC64 && TARGET_DIRECT_MOVE)
+(define_insn "*vsx_extract_<mode>_1"
+ [(set (match_operand:<VEC_base> 0 "gpc_reg_operand" "=wa,wr")
+ (vec_select:<VEC_base>
+ (match_operand:VSX_D 1 "gpc_reg_operand" "wa,wa")
+ (parallel
+ [(match_operand:QI 2 "const_0_to_1_operand" "n,n")])))]
+ "VECTOR_MEM_VSX_P (<MODE>mode)
+ && INTVAL (operands[2]) == (BYTES_BIG_ENDIAN ? 1 : 0)"
+{
+ if (which_alternative == 1)
return "mfvsrld %0,%x1";
- else if (VSX_REGNO_P (op0_regno))
- {
- fldDM = element << 1;
- if (!BYTES_BIG_ENDIAN)
- fldDM = 3 - fldDM;
- operands[3] = GEN_INT (fldDM);
- return "xxpermdi %x0,%x1,%x1,%3";
- }
-
- else
- gcc_unreachable ();
+ operands[3] = GEN_INT (BYTES_BIG_ENDIAN ? 2 : 3);
+ return "xxpermdi %x0,%x1,%x1,%3";
}
- [(set_attr "type" "veclogical,mfvsr,mfvsr,vecperm")
- (set_attr "isa" "*,*,p8v,p9v")])
+ [(set_attr "type" "mfvsr,vecperm")
+ (set_attr "isa" "*,p9v")])
;; Optimize extracting a single scalar element from memory.
(define_insn_and_split "*vsx_extract_<P:mode>_<VSX_D:mode>_load"
@@ -3466,8 +3460,9 @@
[(set (match_operand:<VEC_base> 0 "memory_operand" "=m,Z,wY")
(vec_select:<VEC_base>
(match_operand:VSX_D 1 "register_operand" "d,v,v")
- (parallel [(match_operand:QI 2 "vsx_scalar_64bit" "wD,wD,wD")])))]
- "VECTOR_MEM_VSX_P (<MODE>mode)"
+ (parallel [(match_operand:QI 2 "vsx_scalar_64bit" "n,n,n")])))]
+ "VECTOR_MEM_VSX_P (<MODE>mode)
+ && INTVAL (operands[2]) == (BYTES_BIG_ENDIAN ? 0 : 1)"
"@
stfd%U0%X0 %1,%0
stxsdx %x1,%y0