[PATCH 06/11] i386: Update unexpected empty split condition

Kewen Lin linkw@linux.ibm.com
Wed Jun 2 05:04:56 GMT 2021


gcc/ChangeLog:

	* config/i386/i386.md (*load_tp_x32_zext, *add_tp_x32_zext,
	*tls_dynamic_gnu2_combine_32): Fix empty split condition.
	* config/i386/sse.md (*<sse2_avx2>_pmovmskb_lt,
	*<sse2_avx2>_pmovmskb_zext_lt, *sse2_pmovmskb_ext_lt,
	*<sse4_1_avx2>_pblendvb_lt): Likewise.
---
 gcc/config/i386/i386.md | 6 +++---
 gcc/config/i386/sse.md  | 8 ++++----
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 9ff35d9a607..545d048906d 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -15712,7 +15712,7 @@ (define_insn_and_split "*load_tp_x32_zext"
 	  (unspec:SI [(const_int 0)] UNSPEC_TP)))]
   "TARGET_X32"
   "#"
-  ""
+  "&& 1"
   [(set (match_dup 0)
 	(zero_extend:DI (match_dup 1)))]
 {
@@ -15750,7 +15750,7 @@ (define_insn_and_split "*add_tp_x32_zext"
    (clobber (reg:CC FLAGS_REG))]
   "TARGET_X32"
   "#"
-  ""
+  "&& 1"
   [(parallel
      [(set (match_dup 0)
      	   (zero_extend:DI
@@ -15841,7 +15841,7 @@ (define_insn_and_split "*tls_dynamic_gnu2_combine_32"
    (clobber (reg:CC FLAGS_REG))]
   "!TARGET_64BIT && TARGET_GNU2_TLS"
   "#"
-  ""
+  "&& 1"
   [(set (match_dup 0) (match_dup 5))]
 {
   operands[5] = can_create_pseudo_p () ? gen_reg_rtx (Pmode) : operands[0];
diff --git a/gcc/config/i386/sse.md b/gcc/config/i386/sse.md
index 9d3728d1cb0..a9d78030119 100644
--- a/gcc/config/i386/sse.md
+++ b/gcc/config/i386/sse.md
@@ -16467,7 +16467,7 @@ (define_insn_and_split "*<sse2_avx2>_pmovmskb_lt"
 	  UNSPEC_MOVMSK))]
   "TARGET_SSE2"
   "#"
-  ""
+  "&& 1"
   [(set (match_dup 0)
 	(unspec:SI [(match_dup 1)] UNSPEC_MOVMSK))]
   ""
@@ -16489,7 +16489,7 @@ (define_insn_and_split "*<sse2_avx2>_pmovmskb_zext_lt"
 	    UNSPEC_MOVMSK)))]
   "TARGET_64BIT && TARGET_SSE2"
   "#"
-  ""
+  "&& 1"
   [(set (match_dup 0)
 	(zero_extend:DI (unspec:SI [(match_dup 1)] UNSPEC_MOVMSK)))]
   ""
@@ -16511,7 +16511,7 @@ (define_insn_and_split "*sse2_pmovmskb_ext_lt"
 	    UNSPEC_MOVMSK)))]
   "TARGET_64BIT && TARGET_SSE2"
   "#"
-  ""
+  "&& 1"
   [(set (match_dup 0)
 	(sign_extend:DI (unspec:SI [(match_dup 1)] UNSPEC_MOVMSK)))]
   ""
@@ -17769,7 +17769,7 @@ (define_insn_and_split "*<sse4_1_avx2>_pblendvb_lt"
 	  UNSPEC_BLENDV))]
   "TARGET_SSE4_1"
   "#"
-  ""
+  "&& 1"
   [(set (match_dup 0)
 	(unspec:VI1_AVX2
 	 [(match_dup 1) (match_dup 2) (match_dup 3)] UNSPEC_BLENDV))]
-- 
2.17.1



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