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Unified Diff: gcc/gcc/config/arm/cortex-a8.md

Issue 3050029: [gcc] GCC 4.5.0=>4.5.1 (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/nacl-toolchain.git
Patch Set: Created 10 years, 5 months ago
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Index: gcc/gcc/config/arm/cortex-a8.md
diff --git a/gcc/gcc/config/arm/cortex-a8.md b/gcc/gcc/config/arm/cortex-a8.md
index e982e048809b1db410212cd7378b8f0b935252be..8ac754ebc2811f9cda017881d339f1362262fd33 100644
--- a/gcc/gcc/config/arm/cortex-a8.md
+++ b/gcc/gcc/config/arm/cortex-a8.md
@@ -47,17 +47,15 @@
"(cortex_a8_alu0+cortex_a8_issue_ls)|\
(cortex_a8_alu1+cortex_a8_issue_ls)")
-;; ...and in the case of two micro-ops. We don't need to reserve
-;; cortex_a8_issue_ls here because dual issue is altogether forbidden
+;; ...and in the case of two micro-ops. Dual issue is altogether forbidden
;; during the issue cycle of the first micro-op. (Instead of modelling
;; a separate issue unit, we instead reserve alu0 and alu1 to
;; prevent any other instructions from being issued upon that first cycle.)
;; Even though the load/store pipeline is usually available in either
-;; ALU pipe, multi-cycle instructions always issue in pipeline 0. This
-;; reservation is therefore the same as cortex_a8_multiply_2 below.
+;; ALU pipe, multi-cycle instructions always issue in pipeline 0.
(define_reservation "cortex_a8_load_store_2"
- "cortex_a8_alu0+cortex_a8_alu1,\
- cortex_a8_alu0")
+ "cortex_a8_alu0+cortex_a8_alu1+cortex_a8_issue_ls,\
+ cortex_a8_alu0+cortex_a8_issue_ls")
;; The flow of a single-cycle multiplication.
(define_reservation "cortex_a8_multiply"
@@ -87,8 +85,9 @@
;; (source read in E2 and destination available at the end of that cycle).
(define_insn_reservation "cortex_a8_alu" 2
(and (eq_attr "tune" "cortexa8")
- (ior (and (eq_attr "type" "alu")
- (not (eq_attr "insn" "mov,mvn")))
+ (ior (and (and (eq_attr "type" "alu")
+ (eq_attr "neon_type" "none"))
+ (not (eq_attr "insn" "mov,mvn")))
(eq_attr "insn" "clz")))
"cortex_a8_default")
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