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author | Uros Bizjak <uros@gcc.gnu.org> | 2015-07-17 09:02:29 +0200 |
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committer | Uros Bizjak <uros@gcc.gnu.org> | 2015-07-17 09:02:29 +0200 |
commit | 5fa578f079d3e6577e8ec768951fec91468abe9d (patch) | |
tree | b231b337e9ea09ddacf91e264e8ea52a6b958598 /gcc/config | |
parent | 5ba53785f74d9a0bdff4692684f4eba2e3480f74 (diff) | |
download | gcc-5fa578f079d3e6577e8ec768951fec91468abe9d.zip gcc-5fa578f079d3e6577e8ec768951fec91468abe9d.tar.gz gcc-5fa578f079d3e6577e8ec768951fec91468abe9d.tar.bz2 |
re PR target/66824 (-miamcu doesn't load FP constant into register directly)
PR target/66824
* config/i386/i386.h (TARGET_HARD_SF_REGS): New define.
(TARGET_HARD_DF_REGS): Ditto.
(TARGET_HARD_XF_REGS): Ditto.
* config/i386/i386.md (*movxf_internal): Add alternatives 9 and 10.
Enable alternatives 9 and 10 only for !TARGET_HARD_XF_REG target.
(*movdf_internal): Add alternatives 22, 23, 24 and 25. Enable
alternatives 22, 23, 24 and 25 only for !TARGET_HARD_DF_REG target.
(*movsf_internal): Add alternatives 16 and 17. Enable
alternatives 16 and 17 only for !TARGET_HARD_SF_REG target.
From-SVN: r225919
Diffstat (limited to 'gcc/config')
-rw-r--r-- | gcc/config/i386/i386.h | 4 | ||||
-rw-r--r-- | gcc/config/i386/i386.md | 77 |
2 files changed, 59 insertions, 22 deletions
diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h index 0fcf391d..ab668fe 100644 --- a/gcc/config/i386/i386.h +++ b/gcc/config/i386/i386.h @@ -524,6 +524,10 @@ extern unsigned char x86_prefetch_sse; #define TARGET_MIX_SSE_I387 \ ((ix86_fpmath & (FPMATH_SSE | FPMATH_387)) == (FPMATH_SSE | FPMATH_387)) +#define TARGET_HARD_SF_REGS (TARGET_80387 || TARGET_MMX || TARGET_SSE) +#define TARGET_HARD_DF_REGS (TARGET_80387 || TARGET_SSE) +#define TARGET_HARD_XF_REGS (TARGET_80387) + #define TARGET_GNU_TLS (ix86_tls_dialect == TLS_DIALECT_GNU) #define TARGET_GNU2_TLS (ix86_tls_dialect == TLS_DIALECT_GNU2) #define TARGET_ANY_GNU_TLS (TARGET_GNU_TLS || TARGET_GNU2_TLS) diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index 2b3b6e9..ea98a36 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -3087,9 +3087,9 @@ ;; in alternatives 4, 6, 7 and 8. (define_insn "*movxf_internal" [(set (match_operand:XF 0 "nonimmediate_operand" - "=f,m,f,?r ,!o,?*r ,!o,!o,!o") + "=f,m,f,?r ,!o,?*r ,!o,!o,!o,r ,o") (match_operand:XF 1 "general_operand" - "fm,f,G,roF,r , *roF,*r,F ,C"))] + "fm,f,G,roF,r , *roF,*r,F ,C,roF,rF"))] "!(MEM_P (operands[0]) && MEM_P (operands[1])) && (!can_create_pseudo_p () || (ix86_cmodel == CM_MEDIUM || ix86_cmodel == CM_LARGE) @@ -3098,7 +3098,8 @@ && standard_80387_constant_p (operands[1]) > 0 && !memory_operand (operands[0], XFmode)) || (!TARGET_MEMORY_MISMATCH_STALL - && memory_operand (operands[0], XFmode)))" + && memory_operand (operands[0], XFmode)) + || !TARGET_HARD_XF_REGS)" { switch (get_attr_type (insn)) { @@ -3122,12 +3123,12 @@ ] (const_string "*"))) (set (attr "type") - (cond [(eq_attr "alternative" "3,4,5,6,7,8") + (cond [(eq_attr "alternative" "3,4,5,6,7,8,9,10") (const_string "multi") ] (const_string "fmov"))) (set (attr "mode") - (cond [(eq_attr "alternative" "3,4,5,6,7,8") + (cond [(eq_attr "alternative" "3,4,5,6,7,8,9,10") (if_then_else (match_test "TARGET_64BIT") (const_string "DI") (const_string "SI")) @@ -3136,14 +3137,24 @@ (set (attr "preferred_for_size") (cond [(eq_attr "alternative" "3,4") (symbol_ref "false")] - (symbol_ref "true")))]) + (symbol_ref "true"))) + (set (attr "enabled") + (cond [(eq_attr "alternative" "9,10") + (if_then_else + (match_test "TARGET_HARD_XF_REGS") + (symbol_ref "false") + (const_string "*")) + (not (match_test "TARGET_HARD_XF_REGS")) + (symbol_ref "false") + ] + (const_string "*")))]) ;; Possible store forwarding (partial memory) stall in alternatives 4, 6 and 7. (define_insn "*movdf_internal" [(set (match_operand:DF 0 "nonimmediate_operand" - "=Yf*f,m ,Yf*f,?r ,!o,?*r ,!o,!o,?r,?m,?r,?r,v,v,v,m,*x,*x,*x,m ,r ,Yi") + "=Yf*f,m ,Yf*f,?r ,!o,?*r ,!o,!o,?r,?m,?r,?r,v,v,v,m,*x,*x,*x,m ,r ,Yi,r ,o ,r ,m") (match_operand:DF 1 "general_operand" - "Yf*fm,Yf*f,G ,roF,r ,*roF,*r,F ,rm,rC,C ,F ,C,v,m,v,C ,*x,m ,*x,Yj,r"))] + "Yf*fm,Yf*f,G ,roF,r ,*roF,*r,F ,rm,rC,C ,F ,C,v,m,v,C ,*x,m ,*x,Yj,r ,roF,rF,rmF,rC"))] "!(MEM_P (operands[0]) && MEM_P (operands[1])) && (!can_create_pseudo_p () || (ix86_cmodel == CM_MEDIUM || ix86_cmodel == CM_LARGE) @@ -3155,7 +3166,8 @@ && standard_sse_constant_p (operands[1]))) && !memory_operand (operands[0], DFmode)) || ((TARGET_64BIT || !TARGET_MEMORY_MISMATCH_STALL) - && memory_operand (operands[0], DFmode)))" + && memory_operand (operands[0], DFmode)) + || !TARGET_HARD_DF_REGS)" { switch (get_attr_type (insn)) { @@ -3216,9 +3228,9 @@ } } [(set (attr "isa") - (cond [(eq_attr "alternative" "3,4,5,6,7") + (cond [(eq_attr "alternative" "3,4,5,6,7,22,23") (const_string "nox64") - (eq_attr "alternative" "8,9,10,11,20,21") + (eq_attr "alternative" "8,9,10,11,20,21,24,25") (const_string "x64") (eq_attr "alternative" "12,13,14,15") (const_string "sse2") @@ -3227,9 +3239,9 @@ (set (attr "type") (cond [(eq_attr "alternative" "0,1,2") (const_string "fmov") - (eq_attr "alternative" "3,4,5,6,7") + (eq_attr "alternative" "3,4,5,6,7,22,23") (const_string "multi") - (eq_attr "alternative" "8,9,10,11") + (eq_attr "alternative" "8,9,10,11,24,25") (const_string "imov") (eq_attr "alternative" "12,16") (const_string "sselog1") @@ -3254,9 +3266,9 @@ (const_string "1") (const_string "*"))) (set (attr "mode") - (cond [(eq_attr "alternative" "3,4,5,6,7,10") + (cond [(eq_attr "alternative" "3,4,5,6,7,10,22,23") (const_string "SI") - (eq_attr "alternative" "8,9,11,20,21") + (eq_attr "alternative" "8,9,11,20,21,24,25") (const_string "DI") /* xorps is one byte shorter for non-AVX targets. */ @@ -3320,13 +3332,23 @@ (set (attr "preferred_for_speed") (cond [(eq_attr "alternative" "3,4") (symbol_ref "TARGET_INTEGER_DFMODE_MOVES")] - (symbol_ref "true")))]) + (symbol_ref "true"))) + (set (attr "enabled") + (cond [(eq_attr "alternative" "22,23,24,25") + (if_then_else + (match_test "TARGET_HARD_DF_REGS") + (symbol_ref "false") + (const_string "*")) + (not (match_test "TARGET_HARD_DF_REGS")) + (symbol_ref "false") + ] + (const_string "*")))]) (define_insn "*movsf_internal" [(set (match_operand:SF 0 "nonimmediate_operand" - "=Yf*f,m ,Yf*f,?r ,?m,v,v,v,m,?r,?Yi,!*y,!*y,!m,!r ,!*Ym") + "=Yf*f,m ,Yf*f,?r ,?m,v,v,v,m,?r,?Yi,!*y,!*y,!m,!r ,!*Ym,r ,m") (match_operand:SF 1 "general_operand" - "Yf*fm,Yf*f,G ,rmF,rF,C,v,m,v,Yj,r ,*y ,m ,*y,*Yn,r"))] + "Yf*fm,Yf*f,G ,rmF,rF,C,v,m,v,Yj,r ,*y ,m ,*y,*Yn,r ,rmF,rF"))] "!(MEM_P (operands[0]) && MEM_P (operands[1])) && (!can_create_pseudo_p () || (ix86_cmodel == CM_MEDIUM || ix86_cmodel == CM_LARGE) @@ -3336,7 +3358,8 @@ && standard_80387_constant_p (operands[1]) > 0) || (TARGET_SSE_MATH && standard_sse_constant_p (operands[1])))) - || memory_operand (operands[0], SFmode))" + || memory_operand (operands[0], SFmode) + || !TARGET_HARD_SF_REGS)" { switch (get_attr_type (insn)) { @@ -3390,7 +3413,7 @@ [(set (attr "type") (cond [(eq_attr "alternative" "0,1,2") (const_string "fmov") - (eq_attr "alternative" "3,4") + (eq_attr "alternative" "3,4,16,17") (const_string "imov") (eq_attr "alternative" "5") (const_string "sselog1") @@ -3407,7 +3430,7 @@ (const_string "1") (const_string "*"))) (set (attr "mode") - (cond [(eq_attr "alternative" "3,4,9,10,12,13,14,15") + (cond [(eq_attr "alternative" "3,4,9,10,12,13,14,15,16,17") (const_string "SI") (eq_attr "alternative" "11") (const_string "DI") @@ -3445,7 +3468,17 @@ ] (const_string "SF")) ] - (const_string "SF")))]) + (const_string "SF"))) + (set (attr "enabled") + (cond [(eq_attr "alternative" "16,17") + (if_then_else + (match_test "TARGET_HARD_SF_REGS") + (symbol_ref "false") + (const_string "*")) + (not (match_test "TARGET_HARD_SF_REGS")) + (symbol_ref "false") + ] + (const_string "*")))]) (define_split [(set (match_operand 0 "any_fp_register_operand") |