diff options
Diffstat (limited to 'gcc/config/i386/i386.md')
| -rw-r--r-- | gcc/config/i386/i386.md | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md index a17a00c9386..0e051cdee6b 100644 --- a/gcc/config/i386/i386.md +++ b/gcc/config/i386/i386.md @@ -57,6 +57,7 @@ ;; X -- don't print any sort of PIC '@' suffix for a symbol. ;; & -- print some in-use local-dynamic symbol name. ;; H -- print a memory address offset by 8; used for sse high-parts +;; Y -- print condition for XOP pcom* instruction. ;; + -- print a branch hint as 'cs' or 'ds' prefix ;; ; -- print a semicolon (after prefixes due to bug in older gas). @@ -199,6 +200,11 @@ (UNSPEC_FMA4_INTRINSIC 150) (UNSPEC_FMA4_FMADDSUB 151) (UNSPEC_FMA4_FMSUBADD 152) + (UNSPEC_XOP_UNSIGNED_CMP 151) + (UNSPEC_XOP_TRUEFALSE 152) + (UNSPEC_XOP_PERMUTE 153) + (UNSPEC_FRCZ 154) + ; For AES support (UNSPEC_AESENC 159) (UNSPEC_AESENCLAST 160) @@ -254,6 +260,20 @@ (COM_TRUE_P 5) ]) +;; Constants used in the XOP pperm instruction +(define_constants + [(PPERM_SRC 0x00) /* copy source */ + (PPERM_INVERT 0x20) /* invert source */ + (PPERM_REVERSE 0x40) /* bit reverse source */ + (PPERM_REV_INV 0x60) /* bit reverse & invert src */ + (PPERM_ZERO 0x80) /* all 0's */ + (PPERM_ONES 0xa0) /* all 1's */ + (PPERM_SIGN 0xc0) /* propagate sign bit */ + (PPERM_INV_SIGN 0xe0) /* invert & propagate sign */ + (PPERM_SRC1 0x00) /* use first source byte */ + (PPERM_SRC2 0x10) /* use second source byte */ + ]) + ;; Registers by name. (define_constants [(AX_REG 0) @@ -19676,6 +19696,20 @@ [(set_attr "type" "fcmov") (set_attr "mode" "XF")]) +;; All moves in XOP pcmov instructions are 128 bits and hence we restrict +;; the scalar versions to have only XMM registers as operands. + +;; XOP conditional move +(define_insn "*xop_pcmov_<mode>" + [(set (match_operand:MODEF 0 "register_operand" "=x") + (if_then_else:MODEF + (match_operand:MODEF 1 "register_operand" "x") + (match_operand:MODEF 2 "register_operand" "x") + (match_operand:MODEF 3 "register_operand" "x")))] + "TARGET_XOP && ix86_fma4_valid_op_p (operands, insn, 4, true, 1, false)" + "vpcmov\t{%1, %3, %2, %0|%0, %2, %3, %1}" + [(set_attr "type" "sse4arg")]) + ;; These versions of the min/max patterns are intentionally ignorant of ;; their behavior wrt -0.0 and NaN (via the commutative operand mark). ;; Since both the tree-level MAX_EXPR and the rtl-level SMAX operator |