LoongArch: fix errors in vec_duplicate

Signed-off-by: Peng Fan <[email protected]>

Author: ticat123

debian/changelog

@@ -1,3 +1,9 @@
+gcc-12 (12.3.0-17deepin5) unstable; urgency=medium
+
+  * LoongArch: fix errors in vec_duplicate.
+
+ -- Peng Fan <[email protected]>  Tue, 16 Jul 2024 03:08:18 +0000
+
 gcc-12 (12.3.0-17deepin4) unstable; urgency=medium
 
   * update build-depends gcc-12.

debian/patches/loong64/0134-LoongArch-fix-error-in-vec-duplicate.diff

@@ -0,0 +1,20 @@
+diff --git a/src/gcc/config/loongarch/loongarch.cc b/src/gcc/config/loongarch/loongarch.cc
+index d0db08c82..03602bfcc 100644
+--- a/src/gcc/config/loongarch/loongarch.cc
++++ b/src/gcc/config/loongarch/loongarch.cc
+@@ -10400,6 +10400,7 @@ loongarch_expand_vector_init (rtx target, rtx vals)
+ 
+    }
+       return;
++    }
+ 
+   if (ISA_HAS_LSX)
+     {
+@@ -10553,7 +10554,6 @@ loongarch_expand_vector_init (rtx target, rtx vals)
+  
+   /* Loongson is the only cpu with vectors with more elements.  */
+   gcc_assert (0);
+-    }
+ }
+ 
+ /* Implement HARD_REGNO_CALLER_SAVE_MODE.  */

debian/rules.patch

@@ -398,7 +398,9 @@ debian_patches += \
 	loong64/0130-LoongArch-Reimplement-multilib-build-option-handling \
 	loong64/0131-Support-multilib-aware-target-lib-flags-self-specs-o \
 	loong64/0132-fix-loongarch-t-linux-use-usr-lib-as-multilib-prefix \
-	loong64/0133-fix-loongarch-driver.h-drop-loongarch-multilib.h
+	loong64/0133-fix-loongarch-driver.h-drop-loongarch-multilib.h \
+	loong64/0134-LoongArch-fix-error-in-vec-duplicate
+
 
 # RISCV backport.
 debian_patches += riscv64-inline-subword-atomic